The figure belows shows three components of an air-conditioning system, where T3 = 115°F and m3 = 3 lb/s. Refrigerant 134a flows through a throttling valve and a heat exchanger while air flows through a fan and the same heat exchanger. Data for steady-state operation are given on the figure. There is no significant heat transfer between any of the components and the surroundings. Kinetic and potential energy effects are negligible. Saturated liquid R-134a T3, m3 3- Throttling valve P4= 60 lbf/in.² Air T₁=535°R p=0.240 Btu/lb-ºR Fan wwwwww T₂=528°R-2 5 Wey = -0.2 hp Saturated vapor Ps= P4 Heat exchanger
The figure belows shows three components of an air-conditioning system, where T3 = 115°F and m3 = 3 lb/s. Refrigerant 134a flows through a throttling valve and a heat exchanger while air flows through a fan and the same heat exchanger. Data for steady-state operation are given on the figure. There is no significant heat transfer between any of the components and the surroundings. Kinetic and potential energy effects are negligible. Saturated liquid R-134a T3, m3 3- Throttling valve P4= 60 lbf/in.² Air T₁=535°R p=0.240 Btu/lb-ºR Fan wwwwww T₂=528°R-2 5 Wey = -0.2 hp Saturated vapor Ps= P4 Heat exchanger
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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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
8. thermodynamics
Transcribed Image Text:and potential energy effects are negligible.
m₁ =
Saturated liquid R-134a
T3, m3
i
Throttling
valve
lb/s
4
P4= 60 lbf/in.2
Air
T₁=535°R
cp=0.240 Btu/lb.°R
Fan
wwwww
T₂=528°R 2
xf²
Wev = -0.2 hp
Modeling air as an ideal gas with constant cp = 0.240 Btu/lb. °R, determine the mass flow rate of the air, in lb/s.
Saturated vapor
Ps= P4
Heat exchanger
Transcribed Image Text:The figure belows shows three components of an air-conditioning system, where T3 = 115°F and m3 = 3 lb/s. Refrigerant 134a
flows through a throttling valve and a heat exchanger while air flows through a fan and the same heat exchanger. Data for steady-state
operation are given on the figure. There is no significant heat transfer between any of the components and the surroundings. Kinetic
and potential energy effects are negligible.
Saturated liquid R-134a
T3, m3
3-
Madelinin ideelosevith content
Throttling
valve
P4= 60 lbf/in.2
Air
T=535°R
Cp=0.240 Btu/lb-ºR
Fan
wwwwww
T₂=528°R 2
Wev = -0.2 hp
Saturated vapor
Ps= P4
-Heat exchanger
0340 DL IL on dating the last of the min in the in
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