An office in Houston, Texas, is maintained at 25°C and 55 percent relative humidity. The average occupancy is five people, and there will be some smoking. Calculate the cooling load imposed by ventilation requirements at summer design conditions with supply air conditions set at 15°C and 95 percent relative humidity if (a) the recommended rate of outside ventilation air is used and (b) if a filtration device of E = 70 percent is used.

An office in Houston, Texas, is maintained at 25°C and 55 percent relative humidity. The average occupancy is five people, and there will be some smoking. Calculate the cooling load imposed by ventilation requirements at summer design conditions with supply air conditions set at 15°C and 95 percent relative humidity if (a) the recommended rate of outside ventilation air is used and (b) if a filtration device of E = 70 percent is used.

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

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 12RQ: Free-cooling can be accomplished if the A. enthalpy of the return air is lower than the enthalpy of...

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Question

An office in Houston, Texas, is maintained at 25°C and 55 percent relative humidity. The average
occupancy is five people, and there will be some smoking. Calculate the cooling load imposed by
ventilation requirements at summer design conditions with supply air conditions set at 15°C and
95 percent relative humidity if (a) the recommended rate of outside ventilation air is used and (b)
if a filtration device of E = 70 percent is used.

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