For the conditions of Problem 11.10, estimate the outlet temperatures allowing for fouling factors of 4.000 W/m
Question:
For the conditions of Problem 11.10, estimate the outlet temperatures allowing for fouling factors of 4.000 W/m2 · °C on both sides of the tubes.
Prob. 11.10
A counterflow shell-and-tube exchanger is used to cool 2.500 kg/h of oil from 160°C to a temperature below 80°C. Cooling water enters the tubes at 20°C at a flow rate of 4.000 kg/h. The predicted overall coefficient for a clean exchanger is 960 W/m2 · °C, and the outside area of the tubes is 4.1 m2. The specific heat of the oil is 0.72 cal/g · °C. What are the outlet temperatures of the oil and water with a clean exchanger?
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The heat transfer rate Q for the clean exchanger can be calculated using the equation Q U A T Where ...View the full answer
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Related Book For 
Unit Operations Of Chemical Engineering
ISBN: 9780072848236
7th Edition
Authors: Warren McCabe, Julian Smith, Peter Harriott
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