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Analysis on the thermodynamic perfectibility of room air conditioners.

[In Chinese. / En chinois.]

Author(s) : LI X., MA Y., YAN Q.

Type of article: Article

Summary

According to an analysis of the energy efficiency standards of the constant-speed room air conditioner and the-variable speed type, differences between the two kinds of air conditioners exist in terms of division standards, grades of energy efficiency and refrigeration starting at outdoor temperatures. Therefore, a survey was carried out about cooling capacity and EER as well as energy-efficiency grades of the constant and variable-speed room air conditioners. The thermodynamic perfectibility of the two types of room air conditioners was calculated for the performance evaluation. The calculation results show that energy efficiency standards of variable speed room air conditioners in 2008 was lower than that of constant room air conditioners. A new energy efficiency standard of the variable-speed air conditioner is suggested in accordance with consistent thermodynamic perfectibility.

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Pages: 18-23

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