A bearing with 70 mm shaft in a 70.5 mm sleeve 150 mm long, the uniformed clearance space is filled with SAE 45 lubricating oil at 350C. Calculate the rate at which heat is generated at the journal bearing when the bearing shaft rotates at 250 rpm. Show the answer in kN-m/s, J/s and hp

A bearing with 70 mm shaft in a 70.5 mm sleeve 150 mm long, the uniformed clearance space is filled with SAE 45 lubricating oil at 350C. Calculate the rate at which heat is generated at the journal bearing when the bearing shaft rotates at 250 rpm. Show the answer in kN-m/s, J/s and hp

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 5.23P

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Question

A bearing with 70 mm shaft in a 70.5 mm sleeve 150 mm long, the uniformed clearance space
is filled with SAE 45 lubricating oil at 350C.
Calculate the rate at which heat is generated at the journal bearing when the bearing shaft
rotates at 250 rpm. Show the answer in kN-m/s, J/s and hp

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