5- An air conditioned room has a Sensible Heat gain of 3.4 KW. The room state is 24 °C, 50 % relative humidity. The heat gain from lighting is 15 Watts /m². The area of the room is 60 m². Calculate A) the supply air quantity in cubic meters per second if the supply air temperature is 15 °C. B) What must the supply air quantity be increased to if the lighting load is increased to 30 Watts /m² ? C) Draw the Room Ratio Line (or room process line) line on the psychometric chart assuming that the Room Latent Heat Gain is 0.23 KW. D) What is the enthalpy of the room air and its moisture content? E) What is the first air changes per hour rate if the height of the room is 3.2 m ?

5- An air conditioned room has a Sensible Heat gain of 3.4 KW. The room state is 24 °C, 50 % relative humidity. The heat gain from lighting is 15 Watts /m². The area of the room is 60 m². Calculate A) the supply air quantity in cubic meters per second if the supply air temperature is 15 °C. B) What must the supply air quantity be increased to if the lighting load is increased to 30 Watts /m² ? C) Draw the Room Ratio Line (or room process line) line on the psychometric chart assuming that the Room Latent Heat Gain is 0.23 KW. D) What is the enthalpy of the room air and its moisture content? E) What is the first air changes per hour rate if the height of the room is 3.2 m ?

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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