Moist air at 30oC and 50% relative humidity is cooled to 10oC. If the air has a volumetric flow rate of 20m3/min, and condensate water at 10oC is collected, draw the cycle on the attached chart and determine: c) The rate of heat required to cool the air, in KW.
Moist air at 30oC and 50% relative humidity is cooled to 10oC. If the air has a volumetric flow rate of 20m3/min, and condensate water at 10oC is collected, draw the cycle on the attached chart and determine: c) The rate of heat required to cool the air, 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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Question
Moist air at 30oC and 50% relative humidity is cooled to 10oC. If the air has a volumetric flow rate of 20m3/min, and condensate water at 10oC is collected, draw the cycle on the attached chart and determine:
c) The rate of heat required to cool the air, in KW.
Transcribed Image Text:ASHRAE Pshychrometric Chart No. 1 H
Normal Temperature
Barometric Pressure: 101.325 kPa
©1992 American Society of Heating, C
Refrigerating and Air-conditioning Engineers, Inc.
Sea Level
00
1.0
-08
·0
+0.6
5.0-0.5
10.0
0
4.0
-0.4
-0.3
20
Sensible heat
C
Total heat SH₂
0.3
30
Enthalpy
Ah
Humidity ratio" AW
-0.5.
40
10-
-1.0
1.0
10
15.
-4,0
20-
1.0
g
+
I jumped
--00
-1.0
-5.0
-2.0
0.0
15.
2₂
Enthalpy (h) kilojoules per kilogram dry air
q
Saturation temperature C
20
15
20
80
90
-23
90%
80%
3
9606
100
60%%
50%
30.
40%
Dry bulb temperature C
30%
25 wet bulb temperature "C
-20%
10% relative humidity
130
30
0.90
0.92 volume cubic meter per kilogram dry ais
Besp
40
V
Humidity ratio (w) grams moisture per kilogram dry air
28
26
filmy
13
24,
20
+16
La Lignel
10
120
2
110
100
60
0.36
-0.40
0.45
0.50
-0.55
-0.60
-0.65
-0.70
paqq
-0.75
0.80
-0.85
-0.90
-0.95
-1.0
AH₂
AH₂
Sensible heat
Total heat
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