Air, 4 m/s Air River
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter25: Special Refrigeration System Components
Section: Chapter Questions
Problem 2RQ: Describe modulating fluid flow.
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Question
A house built on a riverside is to be cooled in summer by utilizing the cool water of the river. A 20-m-long section of a circular stainless-steel duct of 20-cm diameter passes through the water. Air flows through the underwater section of the duct at 4 m/s at an average temperature of 15°C. For an overall fan efficiency of 62 percent, determine the fan power needed to overcome the flow resistance in this section of the duct.
![Air, 4 m/s
Air
River](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F05d2eee6-03ba-4e07-8cc7-bed40c5a9222%2F32c3542e-04f5-449f-b28a-09aeb2d569ff%2F8kjxp3i.jpeg&w=3840&q=75)
Transcribed Image Text:Air, 4 m/s
Air
River
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