C- Hot engine oil is to be cooled in a double-tube counter-flow heat exchanger. The copper inner tubes have a diameter of 2.5 cm and negligible thickness. The inner diameter of the outer tube (the shell) is 4 cm. Water flows through the tube at a rnte of 0.42 kg/s, and the oil through the shell at a rate of 0.91 kg/s. Taking the average temperatures of the water and the oil to be 52°C and 95 C, respectively, determine the overall heat transfer coefficient of this heat exchanger. For Turbulent flow For Laminar flow Nu = 0.023 Rel4 PrlA Nu = 4.62
C- Hot engine oil is to be cooled in a double-tube counter-flow heat exchanger. The copper inner tubes have a diameter of 2.5 cm and negligible thickness. The inner diameter of the outer tube (the shell) is 4 cm. Water flows through the tube at a rnte of 0.42 kg/s, and the oil through the shell at a rate of 0.91 kg/s. Taking the average temperatures of the water and the oil to be 52°C and 95 C, respectively, determine the overall heat transfer coefficient of this heat exchanger. For Turbulent flow For Laminar flow Nu = 0.023 Rel4 PrlA Nu = 4.62
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.
Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.53P
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