Poiseuille's equation for flow of viscous fluid | in HINDI | EduPoint

In this Physics video in Hindi we derived Poiseuille's equation for flow of a viscous fluid through a pipe. In the Poiseuille's formula we found that the rate of flow of the viscous liquid through a pipe of length 'l' and radius 'r' is proportional to the applied pressure. The rate is proportional to the fourth power of the radius of the pipe. It is inversely proportional to the viscosity of the liquid and the length of the pipe. So it is obvious that if we increase the radius (wider pipe) or the externally applied pressure, the rate of flow of the viscous liquid will increase. On the other hand if we increase the viscosity of the liquid or the length of the pipe, the rate of flow of the liquid will decrease. This important Physics, more precisely fluid dynamics, topic is also a very crucial topic in medical science, where the rate of flow of blood through arteries is to be evaluated.
Click below to watch the video where we discussed how the rate of flow of liquid is the product of the cross sectional area of the pipe and the speed of flow :
https://www.youtube.com/watch?v=NDXTJX6VSQg
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Видео Poiseuille's equation for flow of viscous fluid | in HINDI | EduPoint канала EduPoint