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A shell-and-tube heat exchanger has one shell pass and two tube passes. Oil (cp 2100 J/kg C) heats water. The oil enters the exchanger at 280 C and has a flow rate of 6 kg/s. The water enters the exchanger at 20 C and leaves at 85 C. The water has a flow rate of 8 kg/s. The overall heat transfer coefficient of the exchanger is 625 W/m² C. What is the required surface area of the exchanger?

A shell-and-tube heat exchanger has one shell pass and two tube passes. Oil (cp 2100 J/kg C) heats water. The oil enters the exchanger at 280 C and has a flow rate of 6 kg/s. The water enters the exchanger at 20 C and leaves at 85 C. The water has a flow rate of 8 kg/s. The overall heat transfer coefficient of the exchanger is 625 W/m² C. What is the required surface area of the exchanger?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A shell-and-tube heat exchanger has one shell pass and two tube passes. Oil (cp 2100 J/kg C) heats water. The oil enters the exchanger at 280 C and has a flow rate of 6 kg/s. The water enters the exchanger at 20 C and leaves at 85 C. The water has a flow rate of 8 kg/s. The overall heat transfer coefficient of the exchanger is 625 W/m C. What is the required surface area of the exchanger?
Transcribed Image Text:A shell-and-tube heat exchanger has one shell pass and two tube passes. Oil (cp 2100 J/kg C) heats water. The oil enters the exchanger at 280 C and has a flow rate of 6 kg/s. The water enters the exchanger at 20 C and leaves at 85 C. The water has a flow rate of 8 kg/s. The overall heat transfer coefficient of the exchanger is 625 W/m C. What is the required surface area of the exchanger?
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