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首页> 外文期刊>Energy Conversion & Management >Influence of special attributes of zeotropic refrigerant mixtures on design and operation of vapour compression refrigeration and heat pump systems
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Influence of special attributes of zeotropic refrigerant mixtures on design and operation of vapour compression refrigeration and heat pump systems

机译：共沸混合制冷剂的特殊属性对蒸汽压缩制冷和热泵系统设计和运行的影响

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摘要

The use of zeotropic refrigerant mixtures introduces a number of novel issues that affect the established design and operational practices of vapour compression systems used in refrigeration, air conditioning and heat pump applications. Two attributes; composition shift and temperature glide, associated with the phase changing process of zeotropic mixtures are the primary phenomena that bring in these issues. However, relevant researches are uncovering ways how careful system designs and selection of operational parameters allow improving the energy efficiency and the capacity of vapour compression refrigeration systems. Most of these concepts exploit the presence of composition shift and temperature glide. This paper qualitatively discusses how the mixture attributes influence the established heat exchanger design practices, performance and operation of conventional vapour compression systems. How the temperature glide and composition shift can be incorporated to improve the system performance and the efficiency are also discussed.
机译：共沸制冷剂混合物的使用引入了许多新颖的问题，这些问题影响了在制冷，空调和热泵应用中使用的蒸气压缩系统的既定设计和操作实践。两个属性；与共沸混合物的相变过程相关的组成变化和温度滑动是带来这些问题的主要现象。但是，相关研究正在揭示如何通过精心设计系统和选择运行参数来提高能源效率和蒸汽压缩制冷系统的能力的方法。这些概念中的大多数都利用了成分偏移和温度滑移的存在。本文定性地讨论了混合物的属性如何影响已建立的热交换器设计实践，常规蒸汽压缩系统的性能和运行。还讨论了如何结合温度滑移和成分偏移来改善系统性能和效率。

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