A 6MW generator had a thrust of 103,000 lb. The outside diameter of the step bearing is 12 in, and the inside diameter is 8 in. Employ a film thickness of 0.004 in. Use SAE 20 oil at 120 , the specific heat of the oil being 0.6 BTU/lb deg F, and density of 0.307 Ib/cu. in Determine: (a) the flow rate in gallons / minute (b) Frictional loss (c) Pump work (d) Temperature rise

A 6MW generator had a thrust of 103,000 lb. The outside diameter of the step bearing is 12 in, and the inside diameter is 8 in. Employ a film thickness of 0.004 in. Use SAE 20 oil at 120 , the specific heat of the oil being 0.6 BTU/lb deg F, and density of 0.307 Ib/cu. in Determine: (a) the flow rate in gallons / minute (b) Frictional loss (c) Pump work (d) Temperature rise

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.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.19P

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