SLIDE 1
Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Psychrometric processes 2/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Psychrometric processes Mechanical Engineering ME462/562 - - PowerPoint PPT Presentation
Psychrometric processes Mechanical Engineering ME462/562 - - PowerPoint PPT Presentation
ME 462/562: Sustainable Energy an Exergy Analysis Spring 2014 Psychrometric processes Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis Why worry about evap cooling? 1 Mechanical Engineering ME462/562 Sustainable
SLIDE 2
SLIDE 3
Psychrometric processes 3/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Why worry about evap cooling? 2
SLIDE 4
Psychrometric processes 4/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
The psychrometric chart
SLIDE 5
Psychrometric processes 5/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Sensible heating / cooling
cooling heating 1 2 2
SLIDE 6
Psychrometric processes 6/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Heating with humidifjcation
heating 1 2 + water 3
SLIDE 7
Psychrometric processes 7/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
cooling with dehumidifjcation
cooling 1 x
- water
2
SLIDE 8
Psychrometric processes 8/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Adiabatic (evaporative) cooling
`
1 + water 2
SLIDE 9
Psychrometric processes 9/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Adiabatic mixing
`
1 3 2
SLIDE 10
Psychrometric processes 10/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Effjciencies for simple heating
SLIDE 11
Psychrometric processes 11/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Effjciencies for heat & humidifjcation
SLIDE 12
Psychrometric processes 12/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Effjciency for evaporative cooling
SLIDE 13
Psychrometric processes 13/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
An adsorption chiller
SLIDE 14
Psychrometric processes 14/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
The experimental setup
SLIDE 15
Psychrometric processes 15/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Process temperatures
30.2/16.7 30.5/19.7 43.5/21 17.3/16.7 26.7/19.8 20.4/19.8 33.7/23.8 60.8/30.1 49.8/29.4 DRY BULB / WET BULB
SLIDE 16
Psychrometric processes 16/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Performance - energy
4
SLIDE 17
Psychrometric processes 17/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Performance - exergy
SLIDE 18
Psychrometric processes 18/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
direct vs. indirect evap cooling
SLIDE 19
Psychrometric processes 19/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
can we do better?
SLIDE 20
Psychrometric processes 20/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
and even better?
SLIDE 21
Psychrometric processes 21/21 Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
the real thing
a “coolerado” air conditioner