pace at 10 late st air supplied to the space gain of space in kW. d. of the air cooler 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 conditioned space is to maintain at 28°C and 55% RH. The ambient conditions
are 40°C DBT and 25°C WBT. The space has a sensible heat gain of 14 kW. Air
supplied to the space at 10°C. Calculate
(1) Mass of moist air supplied to the space in kg/hr
(i) Latent heat gain of space in kW.
(iii) Cooling load. of the air cooler in kW if 30% fresh air is supplied and rest is
recirculated.
Given:
WBT
RH
Sp. Humidity
Enthalpy
Condition
DBT
°C
°C
g.w.v./kg d.a.
kJ/kg d.a.
outside
40
25
1.4
77
inside
28
50.
12.4
61
10
100
7.8
29.5
ADP
Transcribed Image Text:An air conditioned space is to maintain at 28°C and 55% RH. The ambient conditions are 40°C DBT and 25°C WBT. The space has a sensible heat gain of 14 kW. Air supplied to the space at 10°C. Calculate (1) Mass of moist air supplied to the space in kg/hr (i) Latent heat gain of space in kW. (iii) Cooling load. of the air cooler in kW if 30% fresh air is supplied and rest is recirculated. Given: WBT RH Sp. Humidity Enthalpy Condition DBT °C °C g.w.v./kg d.a. kJ/kg d.a. outside 40 25 1.4 77 inside 28 50. 12.4 61 10 100 7.8 29.5 ADP
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