Derive the relation (Hagen-Poiseulle Law) for the head loss due to friction in Laminar flow case in pipes. Also prove that mean velocity Vis half of the maximum velocity for laminar flow case. Hint: consider a fluid element at a distance r' from the center of the pipe. Let 'd' be its thickness and 'dA' be its area.

Derive the relation (Hagen-Poiseulle Law) for the head loss due to friction in Laminar flow case in pipes. Also prove that mean velocity Vis half of the maximum velocity for laminar flow case. Hint: consider a fluid element at a distance r' from the center of the pipe. Let 'd' be its thickness and 'dA' be its area.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.4P: 5.4 Evaluate the Stanton number for flow over a tube from the following data: , , , , .

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