Acronyms |
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Coefficient of performance |
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Air cooler |
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Air heater |
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Adsorption circuit fan |
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Desorption circuit fan |
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Regenerative heat exchanger |
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Direct evaporative cooler |
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Greek symbols |
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Efficiency |
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Dynamic viscosity |
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Density |
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Symbols |
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A |
Heat exchange surface |
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c |
Specific heat |
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d |
Channel dimension of the RHX |
m |
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Specific exergy |
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Specific exergy destruction |
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E |
Parameter of the heat exchanger |
- |
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Flow of exergy |
W |
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Exergy destruction |
W |
F |
Correction factor |
- |
h |
Specific enthalpy |
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Heat of evaporation |
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k |
Overall heat transfer coefficient |
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l |
Channel dimension of the RHX |
m |
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Mass flow |
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Number of heat transfer units |
- |
p |
pressure |
Pa |
P |
Temperature ratio |
- |
Q |
Heat flow |
W |
R |
Individual gas constant |
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Heat capacity ratio |
- |
s |
Specific entropy |
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T |
Temperature |
K |
U |
Velocity |
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w |
Channel dimension of the air heater/cooler |
m |
X |
Specific humidity ratio |
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Specific humidity ratio on a molar basis |
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Subscripts |
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0 |
Dead state |
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a |
Air |
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The Carnot cycle |
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Destruction |
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Exergy |
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H |
Heat source |
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Inlet |
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L |
Cooling effect |
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M |
Heat sink |
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v |
Vapor |
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w |
Water |
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