2. A disk rotates near a fixed surface. The radius of the disk is R, and the space between the disk and the surface is filled with a liquid of viscosity, u. The spacing between the disk and the surface is h, and the disk rotates at an angular speed w. Find the dependence between torque on the disk, T, and the other variables.

2. A disk rotates near a fixed surface. The radius of the disk is R, and the space between the disk and the surface is filled with a liquid of viscosity, u. The spacing between the disk and the surface is h, and the disk rotates at an angular speed w. Find the dependence between torque on the disk, T, and the other variables.

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 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

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