需求热冷比对风冷多联机空调(热泵)系统全年性能系数的影响研究
nfluence of demand heating-cooling ratio on annual performance factor of air-cooled multi-connected air conditioning (heat pump) systems
摘要：
介绍了风冷多联机空调(热泵)系统全年性能系数的计算模型及需求热冷比对全年性能系数的影响机理,分析了实际工程中需求热冷比的影响因素,给出了实际工程需求热冷比的计算方法及全年性能系数的计算思路,并给出了不同节能标准下某典型办公建筑需求热冷比的计算结果以供参考。
Abstract：
This paper presents the calculation model for annual performance factor of air-cooled multi-connected air conditioning (heat pump) systems and the influence mechanism of the demand heating-cooling ratio on the annual performance factor, analyses the influence factors of demand heating-cooling ratio in the practical engineering, provides the calculation method for demand heating-cooling ratio and the calculation idea for annual performance factor in the practical engineering, and provides the calculation results of demand heating-cooling ratio for a typical office building under different energy saving standards for reference.
Keywords:air-cooled multi-connected unit; annual performance factor (APF); demand heating-cooling ratio; influence mechanism; product standard; engineering application