10-36 A shell-and-tube heat exchanger has condensing steam at 100°C in the shell side with one shell pass. Two tube passes are used with air in the tubes entering at 10°C. The total surface area of the exchanger is 30 m2 and the overall heat-transfer coefficient may be taken as 150 W/m2 .°C. If the effectiveness of the exchanger is 85 percent, what is the total heat-transfer rate?

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 10.14P
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10-36 A shell-and-tube heat exchanger has condensing steam at 100°C in the shell side
with one shell pass. Two tube passes are used with air in the tubes entering at
10°C. The total surface area of the exchanger is 30 m2 and the overall heat-transfer
coefficient may be taken as 150 W/m² .°C. If the effectiveness of the exchanger is
85 percent, what is the total heat-transfer rate?
Transcribed Image Text:10-36 A shell-and-tube heat exchanger has condensing steam at 100°C in the shell side with one shell pass. Two tube passes are used with air in the tubes entering at 10°C. The total surface area of the exchanger is 30 m2 and the overall heat-transfer coefficient may be taken as 150 W/m² .°C. If the effectiveness of the exchanger is 85 percent, what is the total heat-transfer rate?
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