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ASHRAE LO-09-070
Functional Exergy Efficiency at Near-Environmental Temperatures
Year: 2009
Abstract: ABSTRACT
This paper discusses how exergy efficiency can help generate insight into effective and ineffective temperature combinations for heat exchange at near-environmental temperatures. The analysis uses exergy and energy efficiencies, combined with exergy consumption, warm/cool exergy and a dimensionless temperature, to gain insight into the effect of varying temperatures in air-to-air heat exchange at near-environmental temperature. The analysis is performed with a simple model for an air-to-air sensible heat exchanger. The paper presents an example of how the approach can be used as a basis to select exergy efficient temperature combinations when conceiving heat exchange in building ventilation.
This paper discusses how exergy efficiency can help generate insight into effective and ineffective temperature combinations for heat exchange at near-environmental temperatures. The analysis uses exergy and energy efficiencies, combined with exergy consumption, warm/cool exergy and a dimensionless temperature, to gain insight into the effect of varying temperatures in air-to-air heat exchange at near-environmental temperature. The analysis is performed with a simple model for an air-to-air sensible heat exchanger. The paper presents an example of how the approach can be used as a basis to select exergy efficient temperature combinations when conceiving heat exchange in building ventilation.
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ASHRAE LO-09-070
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| contributor author | ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. | |
| date accessioned | 2017-09-04T18:00:10Z | |
| date available | 2017-09-04T18:00:10Z | |
| date copyright | 01/01/2009 | |
| date issued | 2009 | |
| identifier other | FVYXPCAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/183218 | |
| description abstract | ABSTRACT This paper discusses how exergy efficiency can help generate insight into effective and ineffective temperature combinations for heat exchange at near-environmental temperatures. The analysis uses exergy and energy efficiencies, combined with exergy consumption, warm/cool exergy and a dimensionless temperature, to gain insight into the effect of varying temperatures in air-to-air heat exchange at near-environmental temperature. The analysis is performed with a simple model for an air-to-air sensible heat exchanger. The paper presents an example of how the approach can be used as a basis to select exergy efficient temperature combinations when conceiving heat exchange in building ventilation. | |
| language | English | |
| title | ASHRAE LO-09-070 | num |
| title | Functional Exergy Efficiency at Near-Environmental Temperatures | en |
| type | standard | |
| page | 12 | |
| status | Active | |
| tree | ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.:;2009 | |
| contenttype | fulltext |