A centrifugal fan used for ventilation system discharges 10 cu.m/s through a short duct with a dimension of 48” x 36” against a static pressure of 30mm. The temperature of air is at 20°C and atmospheric pressure of 740 mm Hg. Determine the required power input to fan at an efficiency of 45%.

A centrifugal fan used for ventilation system discharges 10 cu.m/s through a short duct with a dimension of 48” x 36” against a static pressure of 30mm. The temperature of air is at 20°C and atmospheric pressure of 740 mm Hg. Determine the required power input to fan at an efficiency of 45%.

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

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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