An air conditioning system, shown schematically below, supplies air at the rate of 4 kg/s to a space maintained at a db-temperature of 27°C and relative humidity of 50%. The sensible and latent heat loads on the space are 46 kW and 20 kW respectively. Outdoor air at 35°C db-temperature and 24°C wb-temperature is introduced at the rate of 1.1 kg/s. The relative humidity of the air leaving the cooling coil is 90%. The pressure is constant at 101.3 kPa. Determine: the supply air temperature in °C the supply air relative humidity in % the mass flow rate of the air that bypasses the cooling coil in kg/s the refrigeration capacity of the cooling coil in kW
An air conditioning system, shown schematically below, supplies air at the rate of 4 kg/s to a space maintained at a db-temperature of 27°C and relative humidity of 50%. The sensible and latent heat loads on the space are 46 kW and 20 kW respectively. Outdoor air at 35°C db-temperature and 24°C wb-temperature is introduced at the rate of 1.1 kg/s. The relative humidity of the air leaving the cooling coil is 90%. The pressure is constant at 101.3 kPa. Determine: the supply air temperature in °C the supply air relative humidity in % the mass flow rate of the air that bypasses the cooling coil in kg/s the refrigeration capacity of the cooling coil in kW
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 conditioning system, shown schematically below, supplies air at the rate of 4 kg/s to a space maintained at a db-temperature of 27°C and relative humidity of 50%. The sensible and latent heat loads on the space are 46 kW and 20 kW respectively. Outdoor air at 35°C db-temperature and 24°C wb-temperature is introduced at the rate of 1.1 kg/s. The relative humidity of the air leaving the cooling coil is 90%. The pressure is constant at 101.3 kPa. Determine:
the supply air temperature in °C
the supply air relative humidity in %
the mass flow rate of the air that bypasses the cooling coil in kg/s
the refrigeration capacity of the cooling coil in kW
Transcribed Image Text:4
intake
exhaust
I
3
5
filter
6
cooling coil
2b
7
-2a
fan
2
1
|
QI Qs
space
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