27. During the passage through the open system, the following data were gathered:

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter37: Air Distribution And Balance
Section: Chapter Questions
Problem 2RQ: The two ways that fresh air enters a structure are _______and_____.
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27. During the passage through the open system, the following data were gathered:
At the entrance:
At the exit:
P= 500 KPaa
kg
m3
P2 = 608 KPaa
%3D
P= 1728
m
Vz = 0.07
kgm
0j= 2.58 m/s
KI
U = 650-
U2 = 5.77 m/s
KI
U2= 800
kgm
kgm
21= 0.6 m
Z2 = 0.25 m
%3D
Transcribed Image Text:27. During the passage through the open system, the following data were gathered: At the entrance: At the exit: P= 500 KPaa kg m3 P2 = 608 KPaa %3D P= 1728 m Vz = 0.07 kgm 0j= 2.58 m/s KI U = 650- U2 = 5.77 m/s KI U2= 800 kgm kgm 21= 0.6 m Z2 = 0.25 m %3D
work in calories. Is it done by or on the system?
Transcribed Image Text:work in calories. Is it done by or on the system?
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