Pressure loss calculation of orifice plate

Рет қаралды 62,544

4 жыл бұрын

This video explained the Pressure loss calculation of the orifice plate.
After watching this video you will able to do the hydraulic calculations of the orifice plate. this video gives a brief explanation of why the orifice plate used in the orifice flow meter. explained what is a beta ratio. what is orifice?
how to calculate pressure drop in the orifice. how to calculate discharge coefficient of orifice meter etc.
To know How to calculate pressure drop in pipe please watch • How to calculate press...
For pressure drop calculation of orifice download excel sheet
drive.google.com/file/d/1CFzo...
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The following are questions are answered in this video.
pressure drop calculation in the orifice plate.
head loss calculation of orifice flow meter.
how to calculate the discharge coefficient of the orifice meter.
discharge coefficient of the orifice meter.
beta ratio.
head loss in orifice
pressure loss calculation.
calculate pressure loss in orifice.
orifice plate.
pressure loss calculation of orifice plate.
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Пікірлер: 39

@brianwendland4070 Жыл бұрын

nice---very informative

@AhmadAjami-1992 5 ай бұрын

Thanks a lot, what standard are you relying on for this calc.?

@marjoleintenhacken 2 жыл бұрын

I think a factor 2 is missing in the second formula from the top in the video at t=4:10. In the Excel sheet it is included. Thanks a lot for this video and example sheet. Very helpful!

@technoworks. 2 жыл бұрын

Yep but spreadsheet is right

@AhmadAjami-1992 5 ай бұрын

Thanks a lot dear, what standard are you relying on for this calc.?

@russ972 Жыл бұрын

Where did you get your coefficient of discharge formula from on your excel spreadsheet?

@dayabannur1327 2 жыл бұрын

Can we consider the orifice opening angle.

@russ972 Жыл бұрын

Is this applicable for air, assuming it is incompressible

@technoworks. 4 жыл бұрын

Dear friends please subscribe

@samar1977gh 2 жыл бұрын

How to calculate the discharge coefficient when the flow in unknow? please I need this information

@draculawu8778 Ай бұрын

The pressure loss coefficient correlation comes from "I. E. Idelchik - Handbook of Hydraulic Resistance (2008, BHB)". But in this book page 260, the beta is substituted by area ratio, i.e. beta^2, at time 3:35. Additionally, the calculation for phi in Idelchik's book, the fisrt coefficient is 0.25 rather than 2.5 at time 3:35. I wonder which one is correct ?

@draculawu8778 Ай бұрын

Besides, the excel sheet B25, calculating K, seems to put exponent 1.375 inside the bracket, which is a different form from this video.

@amareshmaddy3819 2 ай бұрын

How do u calculate the value in cell C4

@davidbabb2539 3 жыл бұрын

There is another discrepancy, in the workbook, Beta is the area ratio rather than the diameter ratio, resulting in a very different result.

@technoworks. 3 жыл бұрын

Beta ratio = area ratio= (diameter ratio)^2

@russ972 Жыл бұрын

@@technoworks.the video clearly says otherwise

@davidbabb2539 3 жыл бұрын

The excel workbook for this video has a small error. In cell B23 the formula for the flow coefficient φ uses 0.25 instead of 2.5 as shown in the video. I am guessing this is an error in the workbook rather than the video, correct?

@technoworks. 3 жыл бұрын

I will check and revert back to you

@technoworks. 3 жыл бұрын

The excel sheet is correct, flow coefficient values is 0.25.

@yonameistoby12 2 жыл бұрын

Math is not my strong suit, but I have run some testing using your spreadsheet to come up with baseline expected results. In the test lab, the pressure drops I can recreate are 50-60% of the pressure drops the formulas in your spreadsheet give me. I think there may be a calculation error somewhere.

@neilhamilton2091 2 жыл бұрын

I wonder, is the K for the pressure drop where it is highest in the vena cava, or after it where the pressure is higher than the vena cava, but still lower than inlet pressure.

@fullonentertainment4007 2 жыл бұрын

In Your orifice plqte calculation excel sheet... please check again for the correctness of pressure drop formula and coefficient of discharge formula... Something is wrong...

@luckyPiston 5 ай бұрын

Question pls; On the spreadsheet what numbers do i change if im flowing AIR instead of water ? is changing the formula at B5 enough ? tks

@StudySolutionsWala 9 күн бұрын

Did you get the answer?

@luckyPiston 9 күн бұрын

@@StudySolutionsWala No not from this bot video , but i did get a spreadsheet from the PTS flow bench form that i found to be extremely useful.

@StudySolutionsWala 4 күн бұрын

@@luckyPiston thank you for your response. Can you please share the link.

@soroushkaramian3948 Жыл бұрын

Assume

@mhdarviansyah7611 3 жыл бұрын

can you please give me the reference for your equation. something like journal or a book

@technoworks. 3 жыл бұрын

Handbook of Hydraulic Resistance by I. E. Idelchik

@heledyorkvin6435 3 жыл бұрын

@@technoworks. can i know from which page it is?

@Jerseynar1 3 жыл бұрын

What is your source for the coefficient of fluid resistance?

@technoworks. 3 жыл бұрын

handbook of hydraulics by I. E. Idelchik

@jiayyi8045 3 жыл бұрын

can i know the formula located at which pages?

@mehulkumarvpatel 2 жыл бұрын

this excel seems made for water. When I entered N2 gas details for inlet condition of 2 m3/hr flow, 4 bar pressure and 45 deg C temp for 2 mm size orifice in 1 inch pipe, it did not return me any value. I used 1.165 as N2 density.

@technoworks. 2 жыл бұрын

It's not applicable for compressible fluid like gas.