A fan delivers 400 m3 /min of air at 1 atm and 21 C when rotating at 600 rpm, with a head of 8 cm WG. If the air temperature rises to 80 C with speed and air flow remains constant, determine the new back pressure in cm of water and the ratio of the new power required to the original power.

A fan delivers 400 m3 /min of air at 1 atm and 21 C when rotating at 600 rpm, with a head of 8 cm WG. If the air temperature rises to 80 C with speed and air flow remains constant, determine the new back pressure in cm of water and the ratio of the new power required to the original power.

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

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 1RQ: Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop...

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A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

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