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The concept you have mentioned about the pipe in this video was amazing and you have made various videos like this.

Today my concept got cleared thank you!

Informative video....👍

NPSHa is difference between suction pressure and vapour pressure of pumping fluid at that temprature provided by process engineer during pump sizing and NPSHr is provided by pump vendor. NPSHa > NPSHr to avoid cavitation due to vaporization of pumping fluid which is caused due to frictional loss between source tank to pump suction as a result suction pressure falls below vapour pressure and cavitation occur.

@ammar2140

6 ай бұрын

why NPSHr (from vendor) is have to be smaller than NPSHa (calculated by process engineer), shouldnt it be the higher the difference of suction pressure and vapor pressure, the less the cavitation will occur?

Most knowledgeable video thanks for sharing valuable knowledge

Pressure is inversely prapotional to area hota he

Available and required? Not related to the reel npsh without the dead volum?

Pressure is inversely prepositional to area 😊

@atifjamalmsstudentmechanic8330

9 ай бұрын

It is for solid not for fluid

@auslinasirtn-7434

8 ай бұрын

How about diaphragm actuators..say Shutdown valve air actuated where pressure inverse proportion to area applies...with less area force is more thereby u can actuate such a huge valve 30 inch valve too

Good explain

@Coreengineers

Жыл бұрын

thanks dear

Bro really excellent video.

@Coreengineers

Жыл бұрын

thank you ashish!

How recycle line impact the pump performance please make one video about it

But in some cases suction and discharge are equal in size.

I love the way you start to explain in simple terms then jump to trigonometry. Then you come back to simple terms and jump back to calculus. All over the spectrum with one brush stroke

@chandrasekharviswanadhuni9591

Ай бұрын

😮

Amazing explanation Can you make a video about which is greater losses in suction line or discharge line for pump Thanks

@Coreengineers

9 ай бұрын

sure! I will upload that video soon

Sir request to you please upload about mechanical seal of reactor and pump seal

If area increases pressure decreases

We kindly ask you to make all your videos piping related and as far as possible you must post at least one piping related video per day.

Could you please explain about end of curve operation of pumps

@Coreengineers

Жыл бұрын

Will upload the video soon!

what if suction head is 1", then enlarged to 2" using a reducer, and then back to 1" when connecting to pump, then goes out of the pump at 1"?

Make turbine related topics information sir

@Coreengineers

Жыл бұрын

yes! I'm planning about it

Sorry,bro if area increase then Pressure will be decrease.

@afnangillani5243

2 ай бұрын

No, you're wrong it's vice-versa

Very

But if at discharge, velocity is increasing then as per bernoulli eqtn the pressure will decrease at discharge, will it not cause back pressure sir....

@Coreengineers

Жыл бұрын

No It'll not create back pressure as pump is used to increases the pressure of the fluid and at suction side we increase the dia because of cavitation prevention. For back pressure we use the nrv btw

If Area will increases, then pressure will be decreases...

@Coreengineers

Жыл бұрын

Please relate here with bernaulli's principle not P=F/A, A increase Velocity decreases then P increases

@GALLARAJESH-yn2xu

Жыл бұрын

Tq❤

@core engineering : Sir are you sure that Area increase then pressure increase? If it is so than kindly answer that area of 8" pipe is higher or 6" pipeline . I am surprised that people are still comments nice explanation and all. What you explain is totally wrong. If area increase then pressure decreases that's all.

@Coreengineers

Жыл бұрын

Don't get confused , simple thing is here …..according to Bernoulli's equation when we increase area so pressure will increase. For example we all use water pipe to give water in garden so In this situation we push a pipe so water will fastly go as far away, Hence when we push pipe it means we are decreasing area of pipe so pressure will decrease and velocity will increase.

@letslovenature6701

Жыл бұрын

@@Coreengineers Dear sir, Yes now you are correct that if area decrease then pressure increase. Kindly review your video because in video what you are explaining is totally Opposite. That's why I comment. Bernoulli equation is right and I am not confused but kindly check what you explained in your video. You will come to know that in video you explained wrong.

@manishankarraju5354

Жыл бұрын

your point is right when considering a pressure of liquid at rest(P=F/A),but in motion always pressure is directly proportional to Area.(As per bernoulis Law)

@stefanvalchev8066

Жыл бұрын

@@manishankarraju5354 in rest pressure is the same everywhere.

@stefanvalchev8066

Жыл бұрын

@@letslovenature6701 mate u are very wrong.very very wrong.this video is legit .and you are very wrong

When area increases pressure increases????

@rajendrapatane5712

Жыл бұрын

Pressure is inversely prepositional to area

I think that the NPSH is the sum of the pressure head and the velocity head in the suction of the pump minus the Vapor pressure of liquide .so this sum is still constant if we applie Bernoulli equation so the variation of npsh it’s from aspiration pressure losses that’s why we use bigger diameter to reduce the velocity only

Very narrowly missed the concept. By your logic if you directly suck water from a reservoir, pump will not cavitate.😅😅😅

How areas increases then pressure increases.

@Coreengineers

5 ай бұрын

See please refer Bernoulli equation I completely understand your point.

Is there any formula between suction dia and discharge dia

@Coreengineers

7 ай бұрын

Will cover in upcoming videos

thx for the video but how come when A is increasing the P is increasing??

@Coreengineers

10 ай бұрын

Please watch bernaulli's principle videos

@harshptl1

8 ай бұрын

this video is misleading. Increase in area lead to decrease in pressre drop.

What would happen if the suction line is smaller than the discharge line? Suction line is 3" and discharge of pump is at 2 1/2" but a reducer is used so it becomes 4".

@pankajpatel5121

Жыл бұрын

Pls explain

Npsha- npshr =1