A 1.5 cm diameter ball bearing at a temperature of 100 C is cooled by passing water at 27 C and a velocity of 0.3 m/s over it. Calculate heat dissapation by the bearing. The thermo-physical properties of the water are µ = 18.46 x 10“ N.s/m2, µs = 20.82 x 10 N.s/m2 p= 1.1614 kg/m', Pr 0.707 and k= 0.0263 W/m.K. Determine:

A 1.5 cm diameter ball bearing at a temperature of 100 C is cooled by passing water at 27 C and a velocity of 0.3 m/s over it. Calculate heat dissapation by the bearing. The thermo-physical properties of the water are µ = 18.46 x 10“ N.s/m2, µs = 20.82 x 10 N.s/m2 p= 1.1614 kg/m', Pr 0.707 and k= 0.0263 W/m.K. Determine:

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.27P

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