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The calculation of exergy coefficient for heating & air conditioning system.

[In Chinese. / En chinois.]

Author(s) : WANG X., YANG Y.

Type of article: Article

Summary

To further understand the energy quality utilization of air conditioning and heating system, the exergy analysis based on specific consumption analysis was studied. The exergy coefficient computational methods of some typical air conditioning and heating systems (boiling heating, electric heating, heat pump, absorption unit) were studied, and the general formula of exergy coefficient was summarized. To express mean exergy coefficient of the whole season, two mean exergy coefficient computational methods or air conditioning and heating system were proposed: heat weighted temperature method and fuel weighted method, and so he exergy analysis for air conditioning and heating system was improved. By taking the heating in Beijing as an example, the first and second law of thermodynamics based coefficients of typical air conditioning and heating systems were developed, and from these numerical values, the energy (quality) utilization of air conditioning and heating systems in different loads was fully obtained.

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Pages: 68-73

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 30005220
  • Languages: Chinese
  • Source: Journal of Refrigeration - vol. 33 - n. 145
  • Publication date: 2012/06

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