psychometric process
DESCRIPTION
determination of phycometricTRANSCRIPT
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Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
ME 462/562: Sustainable Energy an Exergy Analysis Spring 2014
Psychrometric processes
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Psychrometric processes 2/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Why worry about evap cooling? 1
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Psychrometric processes 3/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Why worry about evap cooling? 2
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Psychrometric processes 4/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
The psychrometric chart
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Psychrometric processes 5/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Sensible heating / cooling
cooling heating
1 22
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Psychrometric processes 6/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Heating with humidification
heating
12
+ water
3
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Psychrometric processes 7/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
cooling with dehumidification
cooling
1
x
- water
2
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Psychrometric processes 8/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Adiabatic (evaporative) cooling
`
1+ water
2
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Psychrometric processes 9/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Adiabatic mixing
` 1
3
2
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Psychrometric processes 10/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Efficiencies for simple heating
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Psychrometric processes 11/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Efficiencies for heat & humidification
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Psychrometric processes 12/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Efficiency for evaporative cooling
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Psychrometric processes 13/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
An adsorption chiller
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Psychrometric processes 14/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
The experimental setup
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Psychrometric processes 15/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Process temperatures30.2/16.7
30.5/19.743.5/2117.3/16.7
26.7/19.820.4/19.8
33.7/23.860.8/30.1
49.8/29.4
DRY BULB / WET BULB
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Psychrometric processes 16/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Performance - energy
4
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Psychrometric processes 17/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
Performance - exergy
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Psychrometric processes 18/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
direct vs. indirect evap cooling
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Psychrometric processes 19/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
can we do better?
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Psychrometric processes 20/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
and even better?
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Psychrometric processes 21/21Mechanical EngineeringME462/562 Sustainable Energy:
an Exergy Analysis
the real thing
a coolerado air conditioner
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