A chilled water cooling coil receives 2.5 m3/s of air at 25 C db, 20 C wb. It is necessary for the air to leave the coil at 13 C db, 12 C wb. Assume sea level pressure. (a) Determine the SHF and the apparatus dew point. (b) Compute the bypass factor. (c) Compute the total and sensible heat transfer rates from the air using enthalpy difference and the SHF. (d) Compute the total and sensible heat transfer rates from the air using the bypass factor and the SHF.

A chilled water cooling coil receives 2.5 m3/s of air at 25 C db, 20 C wb. It is necessary for the air to leave the coil at 13 C db, 12 C wb. Assume sea level pressure. (a) Determine the SHF and the apparatus dew point. (b) Compute the bypass factor. (c) Compute the total and sensible heat transfer rates from the air using enthalpy difference and the SHF. (d) Compute the total and sensible heat transfer rates from the air using the bypass factor and the SHF.

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

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 20RQ: Welded ______sealed compressors are normally used in household refrigerators.

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