Yeah, I just wanna salute Nambi Sir. Any nation which would find people like you, would be proud of you.

The quality of these animations literally stuck me to the screen for the whole 10 minutes. Exceptional work! 😦 Hats off! 🙇‍♂️

One who understands such a complex system very well can explain it simply, beautifully, and precisely. Thank you for making learning engineering interesting for the students. The clear animation makes it better than my lectures.

This wouldn't have been possible for India without Nambi sir. A huge salute to him❤️❤️🙏🙏

I believe the insulation coating of the tank is also to keep the fuel at low temperature and prevent boil off

Finally I know small part of what is "Rocket Science"

As a rocket scientist, I must say it is explained and animated very well. Good job! For the material of tanks, actually composites are good candidates for embrittlement issues and also they are currently used due to their weight advantages.

never seen something that impressive and such well animated for a while

Thank you Nambi Narayanan from ISRO pushing hard to develop the Liquid and Cryogenic engine

Your videos are very well made with simple explanations. Keep making more videos, and also a playlist for concept explanation which is age relevant.

Perfect. Really amazing art 💜💜

Thanks , I worked for cryogenic engine manufacturing unit . We made many of its parts . But we don't know how actually it works. Happy to see full function of cryo engine . Thanks again. 👍

I've been thinking a lot about possible improvements, which might lead to better rocket technology and better specific impulse with using the same fuel. This video really puts all of that into fine package.

Love from india ❤️

One of the best videos I've ever seen, not only on this channel but overall on KZfaq.

This is by far the most thorough and at the same time most understandable explanation of rocket engine principles out there at YT. Thanks for creating and uploading this very informative video!

0:19 ..."A simple rocket propells..." Shows the most complex rocket ever 😂 Btw brilliant animation and explanation.👍🏻

4:40 electric pumps are used in Rocket Lab's Rutherford engine

Amazing explanation, simple yet packed with information. Never understood specific impulse when real engineering explained it, but totally understood it here

Another great animation!! Who would have thought we were both working on very similar animations at the same time!!

Oh this is just beautiful!! Thanks for sharing this. I was reading the new book on SpaceX and came up on the term turbopumps and went searching. Boy am I glad I found your video within a few minutes (because most other explainers don't even come close).

Please make more animations on Automotives. I love all these. Thanks a lot for these great lessons. Lots of love from INDIA.

Sir you are providing such educational things at no cost hats off

Feeling proud to see Indian Flag 🇮🇳🇮🇳🇮🇳 Remembering Nambi Narayanan Sir 👍👍👍

I need an hour video like this one. This was absolutely awesome.

KZfaq must be feeling lucky for having a channel like you: @Learn Engineering

Such a simple & awesome explanation, very professionally conceived, kudos to the team !!

i am not even an engineer, or an engineering student, yet i love these videos!

Great animation ❤️❤️❤️

Love you from India ❣️

Thank you for this wonderful video. Also must say that IRAN is started to make cryogenic engine. We achieved very good results in this technology. God bless you my dear friend.

Thank you so much for all your videos. They've certainly broadened my knowledge of engr ever since I've been watching. Please can you make a video on the working principle of maglev trains too?

Amazing video as always. Great work!

You missed 2 important things: - propellant density is as important as specific impulse, making hydrogen not so obvious (+ other important criterion) - long duration cryogenic storage comes with its fair share of difficulties

Wow - what a great explanation of cryogenic engine technology that is used in the Space Shuttle Main Engines (SSME)!!!

Outstanding explanation and animation. Very impressive!

outstanding explanation in simple way with interesting animation. God bless you.

Fact: Fuels with less maximum theoretical efficency tend to have larger density, so that's why you can see a Falcon 9 (22,000 kg to LEO) , using subcooled RP - 1 as fuel, would be much smaller than, say, a Delta IV Heavy, having more than double the size of fuel tanks (using LH2) while can only carries a little bit more payload (23,000 kg). (Note: To those of you who said that the Block 5 Falcon 9 actually only have 13,000 kg as LEO payload, remember that this rocket is partially reusable, and the first stage had to perform the slowing burn upon atmospheric reentry, plus a suicide burn to have a soft landing, so yeah.)

Amazing!! What a technical knowledge! I am deeply impressed.

Wow, I really love your videos! Keep up the great work!

and also as far as I know the the the cross sectional area of the divergent section of the de-laval nozzle is so adjusted that the shock wave occurs only at outside the exit plane of the nozzle. Occurance of shock outside the nozzle make the flow supersonic or hypersonic through the complete section of the nozzle.

Thanks for sharing this engineering details

Best video on KZfaq about cryogenic engine

Thx for this great animation! Very helpful.

This is so underrated

Fabulous man...! Love from NIE men's hostel ❤️

I really like the animations and the knowledge that is transferred. This is the way to understand tech. Beautiful work. If I could make one solution it would be to keep the language technical and correct. Trying to adjust the language to kids level, feels like old people trying to be cool with young people.

Fantastic explanation as well as animation. You really have eased the "Rocket Science" 😂😎

Wow 😳. Really great animation.

3:38 hyDorGen

I really appreciate your work and explanation 😊 thank you for learning ❤️😊

That was terrific well done!

The foam on the ET also functions as an insulator to prevent the cryogenic propellants from overheating and prevent ice buildup on the outside surface on the ET.

@2:38 so cool ❄!

Very nice and informative video, no one explain cryogenic engine operations like this thank you so much for adding knowledge to us..👍👍👍

One of my favorite channels on KZfaq. Could you please do a video on compressed air drying techniques, in particular HEAT OF COMPRESSION DESICCANT DRYERS. I’ve worked in oil gas, pulp and paper, and defense, and have been around these in all 3 industries but only recently started having problems with them.

I'm going to start calling spark plugs "compact pyrotechnic igniters."

These videos are so good! It's as if a college level engineering textbook has come to life.

Good amount of research, beautiful presentation, astonishing graphics and nice oration to help to understand every aspect.

Genius ! awesome work !

Finally most awaited topic....of mine... Please do a video on : Human rated capsules....

If this channel wasn't present on youtube then how would we able increase our interest in engineering

Excelente job!!! Great video!

Great video and topic. Thank you💓

The explanations has been really great. I think that with small improvements, they could have been even better. For example, showing how fuels are mixed by the injector plate and burnt should be before the explanations of the pumps. This way the trick of cooling the combustion chamber with liquid H2 comes before using it at the turbo pump. It would have been also better to show possible electric motors in operation pumping fuel, before replacing them with turbine. Aka, show the motor moving the impaller, then keep the impaller in place and replace the motor with turbine. This way, even visually, there could be no doubt which part is driving the motion. Also, You said that you are giving example with the H2, but it would be nice to have a label on the screen. Especially when you need need two of them for the gas generator. Once again. Your videos are probably the best explanations I've seen so far.

Great description and engineering knowledge

I like every videos this channel produces. Been subscriber for 3 years

This was great! Please more of this topic =D

all school and uni lecctures need to be based on such animation.

Pride to be an Indian🇮🇳

That was neat! Thank you!

I love your channel. Thanks for the information you have taught me.

It saddens me to realize that we are held back on the final frontier by having to innovate the same technology multiple times over due to patent laws and trade secrets

Just to share a story with you guys, India never intended to make a cryogenic engine as it was supposed to get the technology of those engines from Russia, But when India was sanctioned by the US after it's first nuclear test, it started the project for cryogenic engine as America didn't allow the transfer of this technology to India.

I really appreciate your work. Good job.

Wonderfully explained in this short video with excellent graphics. Very interesting and inspiring for a teenager to take up rocket engine study for future development. 👍

The Electron rocket does use electric pumps though

As an actual mechanical engineer, I approve of this message.

Thanks for the great lesson 🏆

Thank you so much for this informative video.

So, when I do the math on this, I find that a propellant tank with a volume of, say, 100,000 cubic meters would be able to store about 70 tons of liquid hydrogen. That exact same propellant tank would be able to store about 800 tons RP-1 and about 1100 tons of hydrazine. So it's almost a tenfold decrease in propellant mass for only a 25% increase in specific impulse. That doesn't seem ideal to me. What am I missing? Even when you plug in the rocket equation in the other direction, you find out that a rocket powered by LH2/LOX needs a propellant tank ten time as large to get the same total delta-V as one powered by kerosine or even methane. And the larger tanks just means a much heavier rocket, which is exactly what we DON'T want, isn't it?

Can u please explain the working of monopropellant and bipropellant engines also

Rockery Film got me here . Respect to ISRO and specially Nambi sir for this work

Thank you Sir for this valuable information.

Another question ....how much in term of unit or lire have to reach the (injector plate) at combustion champers per second to successfully launch this rocket

what the ratio between liquid hydrogen and liquid oxygen go or suppose to go to the injector plate to accomplished successful lunching ?

All of the solutions the engineers came up with are so clever!

Great animation with highly researched content😇😇

Aluminium Lithium alloy Space X - Hold our Starship

"Only a few countries have actually been able to develop this" Yeah and those 6 countries literally make up most of the worlds population 🤣

Wow, this explanation is simply amazing..

Most awaited video!!! Perfectly explained... Keep it Up Team :)

Feeling proud to see indian flag 🇮🇳🇮🇳in with the other

Nambi Narayan sir rejected NASA .and joined in Isro .That's why his life was il treated 😠😠

Magnificent, informative video 👍.. Even an ordinary maintenance guy like me can understand it.... 🙄... After a few takes 😉.... 👍👍👍👍👍👍

Brilliant Amith!!

0:11 The country is USA, America is a continent...

Unfortunately, this material is just too simplified, to an extent of not being true in few places. For example - cryogenic engines are not used mostly in upper, but rather in all stages, including booster (first) stages. Also, propellant selection is not only about getting most ISP, as it has inversely proportional relationship with thrust. There are far better starter materials out there, for example see Everyday Astronaut on YT.

Super, I was waiting for this

very educative, thanks!