Designing a Futuristic Magnetic Turbine (MHD drive)

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Plasma Channel

Plasma Channel

Күн бұрын

A solid state turbine may be the next evolution for marine travel, just like Novium is the next evolution of pens.
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Learning from my first design, I created an improved marine thruster that uses magnetohydrodynamic thrust. It took the better part of a month, and plenty of tests. This really pushed my 3D printing skills to the limit, but it also lead to fully functional thruster that outperformed my expectations. Thanks to Onshape for their awesome modeling program. Create a free Onshape account here:
First MHD thruster video here: • Using Stealth Propulsi...
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#future #innovation #MHD
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Пікірлер: 3 200
@PlasmaChannel 2 ай бұрын
Thanks for watching! Enjoy 10% OFF and free shipping on all Hoverpens with code PLASMA: North America & other countries: UK & Europe:
@dhruvakalur 2 ай бұрын
@SpaceMulva 2 ай бұрын
What kind of gas is your thruster creating, electrolytically?
@ddoherty5956 2 ай бұрын
Wonder if the current would protect it from plant/mollusc issues? Cool design, well done.👍
@User_Joe 2 ай бұрын
Would using copper as the electrodes increase thrust? Obviously, it would be more prone to corrosion. Also, would sealing the outside of the electrode help? This is so awesome!
@parrotshootist3004 2 ай бұрын
Hunt for the -Red- Green October...
@theHacksmith 2 ай бұрын
Let's make a *big* one together.
@partciudgam8478 2 ай бұрын
engage the caterpillar drive!
@McTroyd 2 ай бұрын
Bump vote for the collab!
@fabioteixeira868 2 ай бұрын
Gogogo collab!
@marmosetman 2 ай бұрын
Step up the voltage
@PlasmaChannel 2 ай бұрын
10-4 my Canadian friend. Let’s make it happen!
@viduraherath4008 17 күн бұрын
The lack of rotating components is actually a great feature of the turbine considering how damage prone a high speed propeller is to light impacts. This would also minimise marine wildlife incidents where props end up cutting and harming marine life. It also means that there would be significantly less maintenance and manufacturing requirement, and being sealed off as one part is a very good trait for something designed to be leakproof
@BloodyMobile 2 күн бұрын
One thing I'm wondering about is whenever or not the reaction caused by the electrolysis could have a negative effect on marine life. Or if that's purely an "annoyance" to the maintenance.
@viduraherath4008 2 күн бұрын
@@BloodyMobile I don't believe that there is any effect on the water quality. Some of the water just gets turned into hydrogen and oxygen which I doubt would be enough to effect the atmosphere either. However if it did become mainstream that may produce a sizeable amount of hydrogen and oxygen.
@apu_apustaja Күн бұрын
Weld a lot of the outer tubes side by side, and 3D print the magnet housing to be buoyant, and hey-presto you've got the back part of a boat which uses it's propulsion system as a stressed member.
@ryanmartin5668 2 ай бұрын
I like how you said you sent the “final design” over to your printer, like you’re not laying in your bed staring at the ceiling imagining further upgrades and improvements right now. LoL. This channel is awesome. Keep innovating and inspiring.
@boxlessthinker1973 2 ай бұрын
Taking the time to explain your premise, testing, revisions, and processes brings us on the journey with you.
@Lol_Pig 2 ай бұрын
This channel and Smarter Every Day, such a wealth of knowledge and practical science
@PlasmaChannel 2 ай бұрын
That means a lot, thank you
@integza 2 ай бұрын
That's awesome! Also I think you just gave me an idea
@hf117j 2 ай бұрын
If you or anyone gets a chance. Try out different setups. Try concentric ones. Try longer ones. Multi stage. Mess with the difference between the amp/volt relationships. Electromagnets vs permanent. And lastly. If you can skim the byproducts from the electrolysis for a second propulsion system above the water. I might or might not get the chance to do these tests myself. But I just started a new job and have a huge backlog of projects. Including functional active camo like in Halo or Predator. I think I've got something but I just don't have much time on my hands. Not sure I'd call it active camo either as it doesn't even need a power source. So not really your department. But absolutely try out the mhd stuff. I'm very curious about what provides the highest performance from drives that use zero moving parts
@jesuschrist1501 2 ай бұрын
search up eric laithwaite magnets video, its an old video on youtube, he shows a mechanism that can propel without moving objects but only ac. and no its not your usual ac motor, the propulsion is very similar in the designs principle in this video.
@caustik671 2 ай бұрын
Another trans-Atlantic battle? Velocity King?
@TheSchizoDuckie 2 ай бұрын
If they team up with HackSmith then you should team up with @colinfurze to level the playingfield
@arpitstvyoutube1759 2 ай бұрын
Lol pin integza
@marksstudio Ай бұрын
Just came upon your channel and that was excellent. You put a lot of time, effort and funds into that thruster, and it exceeded expectations. I had to subscribe.
@RafeSacks 2 ай бұрын
A (scaled-down?) boat would be a great visual for those of us who don’t know how the numbers here relate to a practical application. Still a satisfying watch though.
@RexAnothership 2 ай бұрын
You can reduce print time buy making custom supports. Start with a solid support post then shell it to single pass thickness 0.5 mm is what I use. at the top make single pass bridge support joists at lest 4-6 layers high with 5-10 mm spacing, then cap it with 3-4 layers. This will save time as thin walls can be printed at a good speed for the majority of the height of the print. At the top for PETG I use a 0.35 mm space for breakaway support. Love the content!
@marco_gallone Ай бұрын
If the magnets are mounted at slight angle (squirrel cage arrangement) you can twist the vorticies and that should laminarize the output (maybe even get a performance boost for it).
@williamskris6335 2 ай бұрын
Fantastic! I would like to see a boat built with some of these turbines! Great food for thought!
@80aj 12 күн бұрын
Go watch Hunt for Red October.....
@DanteYewToob 2 ай бұрын
Just a tip for your demonstrations, try adding fine mica powder to the water instead of ink. The mica shows flow and looks really cool, but most importantly it shows basically every detail of turbulence, flow and direction very clearly. (Think of those cool paint mixing videos with the insane swirls and colors.) and they come in basically any color and you only need to add it once and it will just continue to work without constantly adding dye or particulates. We used this technique in school when we learned about fluid dynamics and I use them all the time for resin work, so they’re readily available now because of the popularity of epoxy crafting.
@filonin2 2 ай бұрын
No cool color change though.
@fudgepopdouglas 18 күн бұрын
I am literally so jealous of that pen omg wth I absolutely love it.
@OYisit 7 күн бұрын
Great job going solid state in any field is the greatest technical leap.
@rathoreatri_03 2 ай бұрын
Change the cathode to graphene for more conduction and thus increase the flow. You can also change the inner wall of the collector to aluminum. I am impressed because I have made almost the same design for the new thruster but for a drone, so our goals are different but our approaches are the same. All the best for further development and see you soon in real life for such projects. Hope you read my comment ❤
@oldgreenknees1205 Ай бұрын
Bump to see this guys comment responded to
@PlasmaChannel Ай бұрын
Thank you, I think the radial design is potentially the way to go. One problem with using graphene is that it will cloud up the water and turn it black quite quickly. Even just the smallest amount of graphite or graphene dissolving away from electroless us turns the water black.
@rathoreatri_03 Ай бұрын
​@@PlasmaChannel oh I see! Let's search for a better element to increase the efficiency as radial degine is almost at its potential so I think we can work on material to improve it ! I will contact soon after completing a more research in material and degine see you soon buddy. Btw love your videos ❤ keep growing 😊
@Justin-bv8dm 3 күн бұрын
Can you use quartz crystal as a diode ? It is peizoekectric so would it work still ?
@Bricklemore Ай бұрын
It'd be fascinating to see how scale changes output by like half size. this is wicked mate can't wait to see more
@Whoaskedlol123 2 күн бұрын
This guy is just too amazing
@waynesworldofsci-tech 2 ай бұрын
I’d like to see a boat, but even more a comparison of efficiency between propellers and your drive.
@derpraktikant8862 2 ай бұрын
also in terms of noise (especially passive sonar)
@waynesworldofsci-tech 2 ай бұрын
@@derpraktikant8862 Yes, hadn’t thought of that but sound level by efficiency would be really valuable.
@licencetoswill 2 ай бұрын
in terms of efficiency there is no comparison. This thruster is running at about 1horsepower, or 750w. A 1 hp motor with a prop would move vastly more water at higher speed, by 2-3 orders of magnitude. This is really just a cool experiment on solid state propulsion.
@waynesworldofsci-tech 2 ай бұрын
@@licencetoswill It is cool. So what if your current device isn’t a feasible solution. Further optimization could be interesting. I’d love to know the calculations on possible efficiency. I’m an Anthropologist so I’m way out of my depth here, just spitballing. Because I can see the applications for ocean transportation. Too many large marine mammals die or are injured by propellers every year.
@ArtemKAD1 2 ай бұрын
@@waynesworldofsci-tech Вы желаете, что-бы они погибали от отравления хлором или поражения электрическим током?
@gregshafransky1907 2 ай бұрын
Thank you as a huge Clive Cussler fan of the Juan Cabrillo series.. you have brought to life the drive system of his ship. FYI its drive system incorporates the venturi effect., put a cone at the intake, and when the water flows through your device it will obtain speeds just under the speed of sound. many thanks for your work! great stuff. Clive Cussler Fire Strike (2023) Overview The Oregon is a high tech ship owned by a private secret service organization called 'the Corporation'. It is disguised as a rusty old tramp steamer. It mounts five cranes - three fore, two aft - only two of which are operational, one each fore and aft.
@foohines 2 ай бұрын
It would be awesome if you could capture the byproduct hydrogen and oxygen gases created by the electrolysis of this thruster and create a type of afterburner that ignites them and creates more thrust from the wasted energy
@TheJayFlips 2 ай бұрын
Or feed it into a hydrogen fuel cell to get some energy back to power the anode and cathode
@camerongarson9963 2 ай бұрын
not great for real world application tho, one spark and that's a big boom
@foohines 2 ай бұрын
@@camerongarson9963 big booms are pretty awesome too :)
@Nitsirtriscuit 2 ай бұрын
@@camerongarson9963 suck, squeeze, bang, boom. add a piston or turbine and that works exactly how we want. The bigger challenge to overcome is getting those gases out of the water during operation since the structure would impede the flow path and decrease the thrust.
@obiwankenobi2749 2 ай бұрын
And just like that, the whales were dying again
@webbeddizzy 2 ай бұрын
Great work, I also have some design improvements. The change to radial was a great decision, but you should also change the flow channels to radial. Think about a shell and tube heat exchanger for reference. It may reduce some magnetic efficiency but I think the flow efficiency could be more important. The bubbles being produced clearly indicate turbulent flow (or electrolysis, probably not that though.) Also look at the Dyson vacuum and how it has several smaller channels for flow better
@bpark10001 2 ай бұрын
The bubbles are CHLORINE GAS.
@billysgeo 2 ай бұрын
you can also massively reduce the print time if you do away with the vertical supports (by adding a 45degree chamfer on the top side)
@kevin_6217 2 ай бұрын
​@@bpark10001Wrong. It's Hydrogen and Oxygen and a little Chlorine.
@kevin_6217 2 ай бұрын
The bubbles are H² and O², mostly. They likely also contain disolved gasses that are released when the water is heated.
@bpark10001 2 ай бұрын
@@kevin_6217 When you electrolyze salt water, you get chlorine gas. Chlorine ions are easier to oxidize than oxygen, so chlorine comes out in preference. Some of the free chlorine gas bubbles free & the rest dissolves in the water & reacts with chloride ions still in the water to form hypochlorite ions, which are the highly-reactive ions in chlorine bleach. This will INSTANTLY kill fish. The efficiency of this type of engine is INSANELY LOW, on the order of 1%. Were it not for the volume of water flowing through & the high heat-capacity of water, the water would soon BOIL. The only way to increase the efficiency is to increase the intensity of the magnetic field. With present technology, that requires SUPERCONDUCTOR magnet.
@johnplump3760 24 күн бұрын
You are amazing!! I am very impressed. In my next life I hope to some of the things that you do. Look forward to see if a boat will move with your design.
@pip1973nztok 2 ай бұрын
Nice I only see one issue if your going to make this into a boat. The electrolyses reaction with the stainless steel does strip of really bad poisons, like chromium . Graphite is a safer option.
@anthonyjaccard3694 2 ай бұрын
Also, wouldn't any electrolysis with salt water create chlorine which is also terribly poisonous ?
@ugaog123 2 ай бұрын
These would seem more interesting on a submarine rather than a boat especially since you could have them articulate in any direction for better 3d movement compared to a propellor
@User_Joe 2 ай бұрын
Yes, and with nuclear powered sub, energy production isn't an issue.
@paulstrealer5414 2 ай бұрын
Hunt For Red October has entered the chat
@ArtemKAD1 2 ай бұрын
Давно известен лучший движитель чем гребной винт - насос создающий давление плюс сопло преобразующее давление в скорость. Или иначе говоря, это водомет. А у показанного принципа движения КПД хуже чем у паровоза.
@BSpinoza210 2 ай бұрын
@@paulstrealer5414 Red October was a real boat and actually happened, CMV.
@blshouse 2 ай бұрын
@@BSpinoza210 Haha... no.
@ryanzanow8221 Ай бұрын
Very cool, man! I can’t wait to see what else you have planned for this technology! Your high level of intelligence, amazes me! Great work, and thank you for your time, effort, and expense you put into your videos!
@Words-kd3nn Ай бұрын
this guys is the best KZfaqr in KZfaq. Keep up your good work!
@victoryfirst2878 2 ай бұрын
THIS is a very clever design fella. NICE WORK TOO.
@NA-xm7wj 7 күн бұрын
Yes definitely would like to see you make a boat move with this type of propulsion. I’ve been fascinated by magnetism for years and the hidden energy it can display. I know it’s a field the make the oil companies cringe but my thoughts they should get on board with it
@zfgbn 2 ай бұрын
Brilliant, absolutely brilliant - you gotta build Thrusters for a Boat and try, computational flow dynamics for ideal vortices. Then all that’s needed is a friendly energy source, maybe then put a couple of vawt on the boat to take advantage of the free kinetic energy, the upper deck could be solar panels as the footpaths now in Asia and then the motor size can be minimised.
@mme725 2 ай бұрын
Oh man, a boat with these things would be awesome! Not sure if you meant toy/model boat or something bigger, but it'd be neat to see how many it takes to move a canoe or something small-but-mannable
@aserta 2 ай бұрын
If the USN gave up on it, you can imagine why it's not usable.
@dwang085 2 ай бұрын
His buddy peter Schripol could probably help him out again. Another great opportunity for a project together.
@snowe.. 2 ай бұрын
Rctestflight would probably love to test something like this
@cordellpatrick9517 2 ай бұрын
There's a yhat in the middle east that uses them
@cordellpatrick9517 2 ай бұрын
​@aserta The USN actually hasn't given up on them. They stopped trying to use them for massive war ships (for the moment). But they're still looking into them for small unmanned submersibles and suicide boats. Reason being the MHD would be able to simulate the magnetic structure of something like a carrier and have a small cheap drone destroyed then an almost half billion dollar carrier. Also they're looking into for stealth subs for groups like Marsoc and Seals to help with quiet insertion and exhilaration of near coast targets. Also they're still looking at them for warships they're just trying to have them mature enough that it isn't expensive as hell to retrofit the Fleet. With more craft becoming nuclear power capabile these drives will likely come back up. Mostly due to them actually lowering the complexity of the crafts instead of increasing them. Fewer moving parts, fewer things for people to get sucked into.
@steel0tsunami 2 ай бұрын
I love the concept, I have always been fascinated by the interactions between magnetic and electric fields, I’m curious about a few things, 1) what’s the environment impact of electrolysis of salt water? 2) how efficient is it compared to a conventional solution? 3) what’s sort of static pressure can it produce?
@rn2379 2 ай бұрын
It looks like there is a current leak on the outer wall of the tube (and probably inside the inner tube) Also the trapezoidal shape of the cavities causes more current density in the narrow and just wastes current in the middle of the cavity in the wide part. It's also (probably) causing turbulence in the channels and decrease flow. I suspect that covering the wide part of the cavity will improve flow and overall performance of the build. It's also possible to fit another magnetic bar in the wide part of the trapezoid, both to cover the cavity and make more uniform and dense magnetic field. It will be interesting to see power consumption with coated external surfaces and modified shape of the cavity. And definitely interesting to see a boat propelled with this thruster even without modifications.
@health_farhan 2 ай бұрын
Yes!! Definitely build a boat with those!! That would be awesome!!
@elvinpaulino2327 Ай бұрын
Can't wait for the finish product. I'm sure you can find a way to make it lighter and stronger.
@archstanton3763 2 ай бұрын
Fantastic, definitely love to see you build a boat powered by these turbines.
@photonik-luminescence 2 ай бұрын
The one thing that i am not really sure about this idea is that you could actually see the dye shift colours (a possible indication of pH change as Sodium Hydroxide is being produced trough the electrolysis of salt water). Also, the chlorine produced gets bond to the sodium Hydroxide to make sodium chlorate. Not sure if alot of ships using this technology would produce significant amounts of either sodium Hydroxide or Sodium Chlorate thst could affect marine life. I mean sodium Hydroxide is corrosive to metal and skin
@vaterchenfrost7481 2 ай бұрын
I don't think it would be an issue to the marine life in the order of magnitude of power used and sodium chloride produced. In fresh water, that should not be a thing at all. Much more problematic, in my opinion, would be the corrosion of the electrodes. Stainless steel compared to the zincked iron is of a very limited improvement in this application. That is one of the reasons why you don't see much of this kind of propulsion out there. If I'm not mistaken, the application of platinum solves the issues, but with the penalty of a ridiculously high costs.
@primodernious 2 ай бұрын
@@vaterchenfrost7481 carbon electrodes does not have corrosion problem. can also use silver if not a budget problem.
@filonin2 2 ай бұрын
Both are soluble in water and the ions are coming from the water so literally how could this even be an issue? As soon as the compound forms it dissolves and it goes back to where it came from as the separate ions it was before.
@no0ne000 2 ай бұрын
The salt in the water is merely a catalyst. No more sodium or chlorine products are left in the water than what started there. Plus, sodium hydroxide and hydrochloric acid both disassociate completely in water and the result is identical to the salt (sodium chloride) dissolved in the water in the first place.
@vaterchenfrost7481 2 ай бұрын
@@primodernious actualy I thought that the positive pole of that electrode will errode away by recombining it self with oxygen molecules - becoming carbone dioxide.
@porfirio2852 Ай бұрын
Congratulations!! Seria una innovación extraordinaria. Magnifica y pedagogica explicación. Muy buenas imagenes y animaciones tridimensionales.
@robgad2271 2 ай бұрын
Thanks for the video. This took me back a few decades, only better and faster builds, we didn't have 3D printing or even good 3D CNC a few decades ago. Taking this concept and only adding two different easy to make items, a copper foil cathode and an aluminum foil anode, forget the electrolyte and just ad 500-600 FDC and measure your thrust against open room air. The only thing I would do differently is to add intake bent slots that are all directed 10-22 degrees at the leading intake edge and this will cause the output to spin into a concentrated core point outward. Using thin foils around 30 GA will reduce the weight and gain better magnetic dynamics than steel.
@DrannanTheSecond Ай бұрын
Just finished calc phys 2 last semester and we covered the lorentz force. Really cool to see the concepts from that course in action! Especially i think its been the hardest one so far
@Pixy643 2 ай бұрын
Nice, I remember there was this kind of drive used in a movie called “the hunt for red October”. Very cool
@Holmesy87 2 ай бұрын
The thruster is absolutely amazing, this channel never ceases to amaze me. However, £100 for a pen with a magnet in it is insane, more money than sense some people 😂😂
@raulpeicabalosache8083 2 ай бұрын
Have you considered electromagnets for this purpose? It would make it harder to repair since you now have a bunch of wires sticking through the outer casing but may provide a benefit in strength of the magnetic field and resultant thrust. Individual control of these could also possibly provide thrust vectoring without movement of the nozzles?
@atrumluminarium 2 ай бұрын
I think the electromagnets could be wound around the current neodymium magnets as the "cores" as the central electrode is being fed. That way the internal inductance of the wire adds to the already existing magnetic field (maybe?)
@nigeladams8321 2 ай бұрын
That would suck more power than a permanent magnet as well. In this case the simplest solution is probably the best, putting the thruster on a pivot would provide precise control
@mduckernz 2 ай бұрын
That would make it really power inefficient
@robertbackhaus8911 2 ай бұрын
@@mduckernz At the moment it is horribly inefficient, because all the power is going into electrolysis. The only way I can see to fix this is to go with a tiny voltage, less than required for electrolysis, and a stupidly strong magnetic field.
@hf117j 2 ай бұрын
​@@robertbackhaus8911Easy said. Though in full scale it could be done. Focus the power in the magnets and only feed a bit into the electrodes? I could see it. I say have solar or something to recharge your power source over time. It'll be power hungry for sure. Idk what the amp relationship needed is for this application. But I am curious. Could potentially pump higher volts with lower amps through longer electrodes. In general this probably benefits from longer electrodes. Maybe run it or several through the entire hull and use a rudder as normal for steering. Tbh sections of electrodes at lower voltage could work and be easier on maintenance. Probably better for consistency as well. My main issue with electro magnets is keeping that circuit isolated from the circuit the water closes between the electrodes.
@xugans99 2 ай бұрын
I saw a video from a KZfaq named SunShine where he made a 3d metal printer for $99. It was a combo plastic printer that incorporated an electroplating system and used conductive filament. He used it to make an ionic fan and it totally made me think of your stuff! I would love to see you make a version of that to see some of the epic stuff you would create with it!
@oneveryfishyboi331 2 ай бұрын
your video on mhd drives has inspired me to make an mhd drive rc boat for my year long engineering project! these videos are going to be used as sources...
@tonyw8001 25 күн бұрын
30 amps in salt water will start breaking down into chlorine gas and sodium ions, which will combine with the remaining water to form sodium hydroxide which you can see being formed in his tests and generate a lot of heat IN TURN KILLING ANY FISH IT COMES IN CONTACT WITH.
@jimalbi 2 ай бұрын
Looks like a stealth military submarine technology avoiding cavitation... And I think they did try it decades ago. Now, I would be interested to see if there's any glow. Also, imagine such an "engine", orders of magnitude stronger, strong enough to create lift in air. You could make the surface of your vessel able to dynamically correct the flow of air around it to channel it where you want higher and lower pressure to be created to propel you. Theoretically, if your "vessel" is somekind of a disk or at least something quite roundish (pill shape?), you might achieve impressive accelerations and maneuvres and break the sound barrier without event a sonic boom since the air would simply move away in frint of your vessel. You would probably also get some glow corresponding to the level of ionization of the air particles around it. That, and some "whisttling" sound. The downside would be the staggering amount of energy required for little autonomy (and the weigh of the battery / generator) and also the necessity to operate in denser atmosphere.
@RachNDoug 4 күн бұрын
Captain Ramius and the whole Red October crew would be proud
@MR-puffnstuff 2 ай бұрын
That is a very cool and unique thingy that you created and built.
@giga-chicken 2 ай бұрын
Instead of measuring exhaust speed I would be interested in seeing it floated in the tank and static thrust measured with a scale, also static thrust per watt. I think this thing probably pulls an awful lot of power compared to a traditional prop judging by the fact that the cables caught fire.
@The.Heart.Unceasing 2 ай бұрын
yeah, the thruster in the video is pulling about 750W ^^
@deltab9768 2 ай бұрын
@@The.Heart.Unceasingyeah you could drive a half or 3/4 horsepower motor with that and have a good deal more power.
@The.Heart.Unceasing 2 ай бұрын
​@@deltab9768 yeah that's what I figured, MHD drives don't make a lot of sense in mundane application, unless you absolutely need to make the less noise possible or have no moving part. (tl:dr for the rant that follows : MHD very good for space uses and can work as a generator too) they make a lot more sense in near to mid future space tech, because the conductive fluide they need can be plasma, so you can make some pretty high-end thruster with them or boost a thermal one (the big plume of a thermal thruster (any thruster that uses heat to fling the propellant out the back, so chemical, nuclear, solar, etc) is plasma after all, so if you can accelerate that further you can boost the specific impulse (the space equivalent of miles per gallon)), or as generator, because the assembly produces electricity if you pass high-speed conductive fluid through it, like some sort of blade-less turbine, which is very interesting in space where the spin of a big turbine could destabilize a ship and maintenance on a big spiny thing might be tricky (but on the other hand, for a MHD generator to work you need a reactor that output high-speed plasma, so it's not exactly safe either)(but if you think about it it's just a confined rocket engine, so it should be feasible)(even more so if we master nuclear thermal rockets).
@SilvaDreams 2 ай бұрын
​@deltab9768 Yup these engines are highly inefficient, only good in zero resistance cases.... aka in space where long term thrust to gain speed isn't an issue.
@deltab9768 2 ай бұрын
@@SilvaDreams yeah in particular you need a situation where “back EMF” is high enough to be a good percentage of the supply voltage. That means a small, fast stream of propellant (like what you’re talking about with using it for low force in outer space) or it means using a more conductive material, a wider gap, and a stronger magnetic field. Something like this could be incredibly forceful if it had a big iron magnetic yoke, an aquarium of liquid metal and was being fed with 500mV/1.5kA. In fact I believe there’s a nuclear reactor that uses Liquid potassium alloy and a MHD pump for the cooling system.
@BuckJackson-kc8pb 2 ай бұрын
Yes you need to build a scalable model to test if the MHD's can be feasible. Power supply needs/options, space and weight, etc. will need to be factored. IMO you will still need powered generators for the electrical needs.
@skiplgoebel8450 13 сағат бұрын
Have you considered an exhaust venturi? The gas would naturally compress on input and expand going out. I think 11 degrees on sidewall would work and you could benchmark performance of varying angles from that point. The expanding gas would naturally accelerate the water don't you think?
@WiKiTWoNKa 2 ай бұрын
@incenius5008 2 ай бұрын
Great video! Quick points come to mind, feel free to roast me if im remembering my schooling wrong. magneto reluctance increases quickly over an air gap, so might want to reduce the openings ( partly Why the smaller prototype had around the same thrust). Also the eddy currents on the outlet will throw water back forward, so those will need to be addressed. Maybe even use another mag field to turn those eddy currents into extra backward thrust by redirecting the momentum of the rotation for the particles. Lastly, I wonder what would happen if you tossed a small turbine on this thing with an outer shell and see if you can try and take advantage of the same principles as a jet engine bypass ratio for extra thrust
@notsam498 2 ай бұрын
I think this is a really cool project. LOVE to see anything involving MHD. I think there is one major concern I have about using this in open water. This is that the electrolysis will cause metal ions to go into the water. there are a number of metal ions that are extremely toxic to marine life such as copper ions, cobalt, and potentially aluminum. I would like to see a version of this using corrosion resistant or non metallic electrodes.
@fluxcapacitor 2 ай бұрын
Great video! A few suggestions. As there is no more moving parts in an MHD drive, you don't necessarily have to put the engine inside like a conventional motor. Instead, you can put the engine outside ;) i.e. deploy the MHD interaction everywhere around the external fuselage, making it an "external flow MHD accelerator" with the benefit of acting on the wavefront and the drag along the whole wetted area. Another trick: when you glue the same poles of two 1T magnets together, face-to-face, you nearly double the magnetic flux density and get almost a 2T magnetic field strength right on their junction plane. In addition, in order to avoid electrode corrosion due to electrolysis, it is best to use graphite electrodes, even if steel is better than cooper indeed. Speaking of electrolysis, you are limited by the conductivity of salt water: you could use an acidic bath instead and boost the induced flow velocity even further (except if your aim is to eventually test a boat or submersible down the road). What limits the efficiency of such a small drive is the relative weakness of the magnetic field, and the limited amount of current density that the fluid can bear before electrolysis becomes dominant up to the deleterious situation of thermal blockage, a phenomenon that could be compared to a conventional motor burning due to heat accumulated by the Joule effect (same mechanism). Therefore, you should use a power supply that controls direct current not voltage, to better tune the whole thing, and even calculate precisely the current density J your fluid can accept depending on its electrical conductivity and the surface of your electrodes. Indeed the Lorentz force acting on a fluid is a body force, a force per unit volume, in newtons per cubic meter (in SI units). That's also why the electromagnetic force J×B can be very powerful as it can act on a large volume of fluid. But this is another longer story and I was speaking of the efficiency. Compared to a traditional propeller, the magnetic field B of an MHD drive is akin to the pitch angle of the blades, while the current density J is the rotation speed. With such a low power magnetic field and electric current set too high wrt the fluid (its electrical conductivity), it's like someone who would use a propeller with blades having an infinitesimal pitch angle. He would have to rotate the propeller at an insane amount of RPMs to barely move. The main thing we're doing in this case is not propulsion, but heating the ambient fluid! That's why MHD drives appear so "inefficient". But they are not: they simply don't have the appropriate input values, as our technology is not yet advanced enough (hint: room-temperature superconducting multitesla electromagnets and powerful yet light and compact electrical power generators onboard).
@imperialguardsman135 2 ай бұрын
So you're telling me the US navy's probably already researching it out in the middle of the ocean
@fluxcapacitor 2 ай бұрын
​@@imperialguardsman135 Not necessarily using external-flow MHD drives, as opening the field lines around the hull is like driving around in a car with a flashing beacon hence is much more prone to detection. The Voyenno-Morskoy Flot prefers submarines and UUVs operating in total discretion with internal-flow ducted drives like the OP (no such discretion however for their hypervelocity MHD torpedo, a Big, Fat one, powered by a compact Pavlovskii generator of course, whose nozzle melts and lasts only a few seconds upon firing - but that's okay as at over 1,000 kts it doesn't need more time before reaching its target like a bullet). However, maybe that's the case for some of these transient super fast USOs detected with no explanation across decades? Among many other testimonies, Admiral Timothy Cole Gallaudet provided a statement about these mysterious objects recently.
@RyanAndrewJones. 2 ай бұрын
@@imperialguardsman135 the US Navy will degauss submarines to change up their magnetic signatures... they've already done the research
@RyanAndrewJones. 2 ай бұрын
@@fluxcapacitor are you kidding me? Russian technology is a fucking joke. Russia just executed the scientist responsible for the failed moon drone.
@MrLegalizeplease Ай бұрын
For a marine application, I foresee a few issues. The magnetic field will disrupt a ships compass in proportional magnitude. Second thought: While in a storm at sea, the ship would experience less control, as the turbine style is known to lose thrust and surges. Third: electrolysis is being created and will vastly corrode and reduce the ships' life expectancy. Lastly, I noticed a lot of cavitation on the exhaust side. They're like invisible bullets under water that'll destroy that turbine. If you find a way around these barriers, then I think you might be onto something. Best regards
@synshade 2 ай бұрын
Just keep making these projects and these videos ❤! One day these things definitely gonna stand up
@user-ri2dv8vp5g 2 ай бұрын
Good idea. It won’t have much thrust though. You need to maximise the change of momentum of the fluid. Putting the intake on the same side as the exhaust will do that. The reverse circulation might even help then.
@MartinVostalSynergy 2 ай бұрын
Cool project. How about to consider natural water spiral motion. It should reduce turbulences more and resistance as well. Can you make something like rifle's barrel grooving or blades at stator instead of at rotor of jet motor or many little winglets in stator? Maybe compromise - to make last motor's part spiral. I don't know if it's possible, but it would be fantastic to make it run. Good luck with your projects, I am always looking forward to your next video.
@zahari_s_stoyanov 2 ай бұрын
Of course, you need to build a boat with these!
@willsteed439 2 ай бұрын
I definitely want to see you build a boat powered by your solid state thrusters.
@tavissettles3032 2 ай бұрын
Amazing man, please build the boat! It would be really interesting to see if it scales up as well.
@angelrivera8558 2 ай бұрын
Very good teaching dude I feel I am back in science class in my school days as a kid.
@rpm_ozzy9843 2 ай бұрын
This guy is RIPPED and smart at the same time, like man leave some room for the rest of us. On a sirious note i love your content and a collab with the hacksmith's would be awesome
@PlasmaChannel 2 ай бұрын
😂 top comment of the day. THIS. Also, I’m honored you enjoy my videos. Thanks for being a part of my family.
@rickperalta1921 2 ай бұрын
A notation of current and measured thrust would be nice extensions. Thanks for sharing!
@duelette 2 ай бұрын
Is guys like you that keeps guys like me interested! Keep on!
@Szymmon614 2 ай бұрын
If you would want to improve it once again, you could take advantage of Halbach Array. It will amplify "useful" magnetic field, and at the same time eliminate magnetic filed leaking outside. I don't know, if this will heavily affect the radial design, but it might be worth trying.
@thamiordragonheart8682 2 ай бұрын
I think the correct way to do a halbach array is a cylindrical one that creates a unidirectional magnetic field perpendicular to the cylinder's axis on the inside and use linear electrodes to get the current perpendicular to the magnetic field and the cylinder axis.
@kylewall9107 2 ай бұрын
The Halbach Array intensifies and contracts one side of the magnetic field and dissipates the other side, so the current configuration of the spoke magnets would not benefit. If The magnets were on the outer radius and inner axle, then it may benefit from the Halbach array.
@edeaglehouse2221 7 күн бұрын
What happens it you turn the magnets so they are in a radial orientation rather than axial? Basically form a cylinder instead of spokes.
@robertjones6620 6 күн бұрын
Try testing with a wider tank or a tank that has some sort of wall suction. That should minimize the wall/boundary layer effects that seem to be evident from the amount of backflow
@johncarson7702 2 ай бұрын
"Might offer a quieter alternative" I guess classified submarines don't exist. We have had highly efficient /quiet propellers for years. Cavitation bubbles are a high priority to remove in order to be more stealth. This is a great project you are doing. Love your work.
@caepncrunch3741 Ай бұрын
Invented 1966 and tested with an submarine EMS-1 at the coast of California... Also Mitshubishi worked on it in the 1980-90s. They need about 4 Tesla to make it work. Probably does not work with sweet water rivers.
@Jay-uk8uw 2 ай бұрын
in the plastic tub atleast you don't have to worry about floating conductive debrie. might create some interesting fireworks tho, dunno if fish could be a problem but your intake would have to be pretty big for that problem. that is if sea or river testing
@ProblemChild-xk7ix 2 ай бұрын
Build the boat! It will be super enteresting.
@tonyw8001 25 күн бұрын
@chrise8720 2 ай бұрын
I'd be interested to see the thrust-to-weight ratio of the old and new designs. While it might cut down on noise, i cant imagine an engine that weighs more than its traditional counterpart without proportional thrust output will see widespread adoption . That said, i wonder if a multi-stage design would render any improvements like your plasma wing design. Whatever the case, i look forward to seeing what you come up with next!
@leocurious9919 2 ай бұрын
He is generating about 0.5 W of actual pumping action* with 750 W of power. I do not think we need to discuss such values as long as this is as inefficient (0.07 % Efficiency). *0.00365 m³/s *1050 kg/m³ / 2 * (0.5 m/s)^2 = 0.48 Watt
@viktorrietveld 2 ай бұрын
@@leocurious9919 It is however super sneaky and stealthy
@ericdelevinquiere9902 2 ай бұрын
the splitting of water is where all the energy goes, if you could somehow capture H2 and O , that could justify the whole thing!
@InfinionExperiments 2 ай бұрын
@@leocurious9919 unless I'm mistaken 1050 kg/m^3 is brine. 3.5%wt of salt to water would be a closer approximation to seawater. But the biggest complaint I have to the KE model to measuring efficiency is #1 Plasma Channel doesn't share salinity of his salt water and #2 he doesn't share how he came to calculate his fluid exhaust flow rate considering the flow is in a closed container with turbulent flow that is fastest in the middle and slowest on the periphery. It's almost pointless besides just a ballpark figure with huge uncertainties.
@leocurious9919 2 ай бұрын
@@InfinionExperiments Small errors are irrelevant when we are several magnitudes away from relevant efficiencies. We can see that the velocity is not 10x higher. We know that the density is not 10x higher. We can see that the volume flow is not 10x higher. The numbers are ballpark right. The efficiency is absolutely terrible.
@scottplummer1485 Ай бұрын
Hello Jay… Just wanted to put a thought out there with you. I was working together with Joseph or Joe Flynn for a couple years as he was making all the breakthroughs on his parallel path magnetic technology. What he had stumbled upon was the fact that in a magnetic circuit, and especially with the motor design that was being used which was a switch reluctance rotor design, that if you incorporated high gauss rare earth Neo magnets into the circuit along with the electromagnetic coils, and you had it balanced with the same number of lines of flux from the electromagnetic coil as from the permanent Rare earth magnets, you had a very interesting effect which fully subscribed to the laws of physics. If you double the lines of flux, you square the force. Joe figured out how to incorporate and switch the lines of flux with the electromagnetic coils, which also at the exact exact same time switch the lines of flex from the rare earth magnets. Therefore for one unit of electrical input, you would effectively get four times the force. He was able to take fractional horsepower electric motors which Riet normally ran at very low efficiencies of about 20%, and get them into the high 80s or 90s for efficiency. He was able to use this principal for electromagnetic clamping, and a whole series of other things. I was thinking… If we could incorporate these principles into the magneto hydrodynamic drive, There may be a possibility to square the output force …. Which would then make this an extremely efficient Solution for a ships drive, or potentially for pumping. If you like, feel free to reach out to me, and I can send you the PowerPoint presentation I gave a number of years ago at the northwest Energy technology conference, where I was a keynote presenter on this topic. Scott Plummer, President, Rms-Ross Mining Systems Inc.
@jayhuyssoon9486 Күн бұрын
Still enjoy your video, I have another thought, I’m trying to design a gyroscope with no moving parts, I did have a propulsion device that weighed 1642 pounds that got off the ground with 20 horse power with of electrical motors. Unfortunately, I tried to use a motor controller on a capacitor start motor…didn’t work for very long, it’s uncontrolled design from the dizzying height of 5” landing with a resound thud on the concrete floor. I used rotating gyroscopic steel discs, 14” in diameter that weighed five pounds each spinning at 11,000 rpm. My unit was 78” high and four feet square. At one start up, one of my discs came off. It was not a boring event. So my thought is to build a gyroscope that spins magnetic discs at maybe 100,000 or more rpm. I have heard that magnetic fields can act like a solid…I don’t think they disintegrate, no matter how fast the spinning motion…I may prove myself wrong, it may prove to be less boring than careening steel disc. My thoughts were, perhaps a combination of both designs would enhance each other, then you would have a vehicle that could operate in a fluid, a gas, or a vacuum. A person could live under the sea and go visit a friend living on the moon. Sorry, I think my residency of the Republic of California is letting my ignorance reveal itself. Greatly enjoy your videos, admire your ingenuity, and I am receiving inspiration from your experiment. I was sitting on a plateau, now I see myself moving again. Thank you. Respectfully submitted
@JJs_playground Ай бұрын
Yes, build a boat with these thrusters.
@friedrichkoerner 4 күн бұрын
from the data presented here, you can easily calculate the efficiency to be 0.12%. A ship propeller has a hydrodynamic efficiency of about 60%. That is a factor of 500. There is much more Energy in the electrolysis, and electrolysis is needed for the current.
@djstraylight Ай бұрын
A big inefficiency of this design is the electrolysis. If you could generate an electric field without doing electrolysis to the water then you would see multiple effects that would increase efficiency. I could see a future where shipping vessels could use a combination of wind and MHDs to make very efficient and cheaper to operate ships.
@brianfeddersen8124 2 ай бұрын
Would love to see a scale replica of a cargo carrier vessel with a set of these and perhaps either azipod based or the through hull mounted thrusters some carriers use. Perhaps if there was a way to create a suitable powerbank in a water sealed environment? Would be super cool!
@TheCaptainSlappy 2 ай бұрын
Glad he caught up to the Russian experiments in the early 1990's. And the German experiments from the 1940's. Just wait until he figures out fractal field networks, v-gating or Bussard ramscooping.
@heidi_homsestol2728 2 ай бұрын
This concept is super cool, but I can’t see it happening unless there is some huge breakthrough making them super powerful. This system would bee using the same concept as azipods, because they are a huge advantage when it comes to manoeuvrability. And idk the exact numbers on how effective an propeller is, so KW in compared to thrust, but I can’t imagine that this system will be capable of getting anywhere near that.
@rubiconnn 2 ай бұрын
I believe soviet submarines tried this kind of propulsion to eliminate noise for silent running but they never really caught on. I think the US is currently fielding a couple of subs with this kind of technology right now as well.
@stevenclements1518 2 ай бұрын
What a great idea to build a boat and use the thrusters
@johanlahti84 2 ай бұрын
Like the format. Gonna stick around! You've earned yourself a sub!
@Mr.Unbreakable83 2 ай бұрын
If you decide to build a boat using these MHD you designed, please bring it out to Lake Havasu City Arizona. So I can see this thing run.❤
@jacobmosovich 20 күн бұрын
I have an idea for near perpetual motion. You know how an MRI machine works? It spins magnets in a circle while someone usually sits in the middle and they scan your body. Well similar theory on a turbine however instead of the magnets being a simple flat magnet facing inward the magnets rotate as they spin. The positive and negative sides produce perpetual thrust reducing energy consumption to a minimum during turbine spin.
@mcsorley1 2 ай бұрын
I’d Love to see a boat powered with this ♥
@thopkins2814 2 ай бұрын
Have you considered inserting neutral Stainless Steel plates in the gaps between each fin in the thruster? Though the neutral plates would not be directly connected, current would flow across the neutral plates, by way of the connection through the water. The neutral plates should produce additional thrust and would lower the amperage, because they will reduce the distance the electricity has to travel between plates. Hopefully this helps. Great Video and thank you for sharing.
@PlasmaChannel 2 ай бұрын
Off the top of my head, I believe this may lower output because now the entire water column isn't conducting...thus...the entire water column doesn't have a magnetic field internally, to be influenced by the external fields. But hell, i'm definitely wrong from time to time. I'll look into this. Thank you.
@3riormrsup 2 ай бұрын
You remind me so much of Grant from The King Of Random it's insane. Your voice, your build, your channel, your editing, it's so wild.
@andrewellington4059 Ай бұрын
Not a bad start. Well done.
@ToninFightsEntropy 2 ай бұрын
Or even a self-propelled surfboard or diving scooter thing would be cool!
@kurtchristensen1643 23 күн бұрын
If you were to stagger the discharge length and or possibly cycle power supply in a rotory motion to achieve any gain from the effects similar to that of equal length headers on an engine to allow a type of suction or pull from each cavity to increase performance.
@chrisvu03 2 ай бұрын
This stuff is AWESOME! Would love to see a boat build.
@cavedog1279 2 ай бұрын
You should try Prusa's new organic supports. This design doesn't look like the standard grid supports were necessary.
@ROOTBEERNOVR 2 ай бұрын
Try choking the output with a nozzle on the back to increase the velocity like they do on jetskis. With that nozzle on the back, you can steer and trim.
@Toggers99 2 ай бұрын
Very cool designs. It's pretty neat that solid state propulsion is no longer just a thing of science fiction. Although for future iterations I wonder how you could increase thrust without needing to increase power drastically. I recently saw a video where there were a number of people attempting to apply biomimicry to propeller designs by emulating the shape of tubercles on whale flippers to increase efficiency. I wonder if applying a similar thought process to the intake/output sections of your MHD would change the thrust velocity in any meaningful way?
@LeoH3L1 2 ай бұрын
I would recommend that you make that tail taper much more gradual, about 4x the length, and put an outer shroud around it aswell to control the interaction with the flow out and the surrounding water.
@TheSomlev 2 ай бұрын
Hi, cool build! To avoid negative effects of turbulence try to make helix structure in the tube, that shoud create vortex that pull more water at frint and create wortex thrust that shoud be bigger. I mean you need to utilise non-laminar nature of outer flow.
@rickywade177 2 ай бұрын
This is awesome, it may even be possible to gather the HHO to power a generator.
@MrDowntemp0 2 ай бұрын
While powering a boat would be fun to see. I think it'd be worthwhile to go through a few more rounds of optimization first. Still seems underwhelming, even at the higher voltages, where your later optimizations seemed to have a reduced effect.
@haphazard1342 2 ай бұрын
For something that consumes 750W, the thrust produced is absolutely pitiful. The efficiency just isn't there. Too much waste doing electrolysis.
@paradiselost9946 2 ай бұрын
@@haphazard1342 worse than that. meh. what he fails to do is set it up so it can MOVE. little rotating arm... a load cell... like everyone, showing a stationary "jet" and the airspeed out the back... it means NOTHING yet they all do it... im of the opinion that they dont work at all, that its simply ions from electrolysis that are moving, inducing slight water flow but there no real magnetic coupling of currents, no interaction of induced, moving, and stationary fields... that the water is "dragged along for the ride" rather than actually contributing to "thrust". the only "thrust" would be the reaction to moving those ions in the magnetic field. not the water.
@agusc5117 2 ай бұрын
This is absolutely incredible
@brianohehir9515 2 ай бұрын
Wow dude sooo impressed with your work!
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