Q: A building has the following calculated cooling loads are 310 kW sensible heat and 100 kW latent heat. The space is maintained at the conditions of 25°C DBT and 50% RH. Outdoor air is at 28°C DBT and 50% RH and 10% by mass of air supplied to the building is outdoor air. If the air supplied to the space is not to be at a temperature lower than 18°C, find:

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q: A building has the following calculated cooling loads are 310 kW sensible
heat and 100 kW latent heat. The space is maintained at the conditions of 25°C
DBT and 50% RH. Outdoor air is at 28°C DBT and 50% RH and 10% by mass
of air supplied to the building is outdoor air. If the air supplied to the space is not
to be at a temperature lower than 18°C, find:
i. Minimum amount of air supplied to space in m'/s.
ii. Volume flow rates of outdoor air.
ii. State and volume flow rate of air entering the cooling coil.
iv. Capacity, ADP, and BPF of the cooling coil.
v. Draw the cycle on psychrometric chart.
5
2a
space
31
2
Transcribed Image Text:Q: A building has the following calculated cooling loads are 310 kW sensible heat and 100 kW latent heat. The space is maintained at the conditions of 25°C DBT and 50% RH. Outdoor air is at 28°C DBT and 50% RH and 10% by mass of air supplied to the building is outdoor air. If the air supplied to the space is not to be at a temperature lower than 18°C, find: i. Minimum amount of air supplied to space in m'/s. ii. Volume flow rates of outdoor air. ii. State and volume flow rate of air entering the cooling coil. iv. Capacity, ADP, and BPF of the cooling coil. v. Draw the cycle on psychrometric chart. 5 2a space 31 2
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