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An air conditioned room is maintained at 25 °C dry bulb and 50% relative humidi

An air conditioned room is maintained at 25 °C dry bulb and 50% relative humidi

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An air conditioned room is maintained at 25 °C dry bulb and 50% relative humidity. The room sensible ar Jatent heat loads are 11.5 kW and 7.5 kW, respectively. The outside design conditions are 35 °C dry bulb an 28 °C wb. Returm air from the room is mixed with the outside air before entering the cooling coil in the rat of 4:1 and returm air is also mixed after the cooling coil in the same ratio of 4:1. The cooling coil has th bypass factor of 0.1, and the apparatus dew point temperature is is to be 8 °C. The air is reheated befor supplying to the conditioned room. Sketch the process on the psychrometrie chart and find the followings: a) The conditions of air leaving the coil. b) The supply air conditions to the room. e) The cooling coil capacity. d) The quantity of fresh air supplied in kg/s. e) The mass flow rate of moisture removed in the coil.
Transcribed Image Text:An air conditioned room is maintained at 25 °C dry bulb and 50% relative humidity. The room sensible ar Jatent heat loads are 11.5 kW and 7.5 kW, respectively. The outside design conditions are 35 °C dry bulb an 28 °C wb. Returm air from the room is mixed with the outside air before entering the cooling coil in the rat of 4:1 and returm air is also mixed after the cooling coil in the same ratio of 4:1. The cooling coil has th bypass factor of 0.1, and the apparatus dew point temperature is is to be 8 °C. The air is reheated befor supplying to the conditioned room. Sketch the process on the psychrometrie chart and find the followings: a) The conditions of air leaving the coil. b) The supply air conditions to the room. e) The cooling coil capacity. d) The quantity of fresh air supplied in kg/s. e) The mass flow rate of moisture removed in the coil.
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