Hagen-Poiseuille's equation | Viscous Flow | Fluid Mechanics

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This video contains the derivation of the following in laminar flow
Shear stress distribution
Velocity distribution
Maximum Velocity
Average Velocity
Ratio of maximum velocity to average velocity
Pressure drop
Drop in pressure head
Hagen Poiseuille equation
Hagen-Poiseuille's formula
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[@nasimuddin813]

17 Minutes is more and more important than 51 minutes boring in person class.Just Amazing sir.Greetings from Bangladesh.

[@MechTechSimulations]

Thank you so much bro.. Your comment energized me.

[@vighneshjangle566]

Thank you sir for your wonderful explanation ❤

[@MechTechSimulations]

You are most welcome

[@mallikarjunreddy5798]

Super sir explained in a simple manner thank you so much sir

[@MechTechSimulations]

So nice of you. Subscribe and share it to your friends.

[@babulsy6460]

Explained extremely well 👍🙏 . I too teach Physics in Delhi NCR

[@MechTechSimulations]

Thanks and welcome

[@gitaprasad2134]

very good conceptual teaching

[@MechTechSimulations]

Thank you..

[@shivoydixit5725]

nice work

[@MechTechSimulations]

Thank you! 😊

[@thatsound7057]

why the sign is positive right side of the square element at 2:07 , pressure should decrease left to right ?

[@MechTechSimulations]

Yes. That will be decreased. The amount of force that is reduced is the pressure force in CD and the shear force on the surface of the cylindrical element.
Note the last line at 3:45, the forces are subtracted.

[@jerry-rd8be]

at 15:11 why isnt upper limit - lower limit ?

[@MechTechSimulations]

Dear Jerry, In this case, our intention is to get an expression for head loss in pipe flow along the length of the pipe. The upper and lower limits mentioned here are the distances from a reference point. Hence, the difference between these two distances will be the length of the pipe under consideration.
I've answered. But not sure whether you convinced. Please feel free to discuss further.