Shape optimisation of a two-phase ejector for CO₂ refrigeration systems

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• 作者：Michal Palacz^a ; ^{michal.palacz@polsl.pl} ; Jacek Smolka^a ; Andrzej J. Nowak^a ; Krzysztof Banasiak^b ; Armin Hafner^c
• 关键词：Multi-ejector system ; CO2 ejector ; Ejector optimisation ; Parallel compression ; Ejector performance ; R744
• 刊名：International Journal of Refrigeration
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：74
• 期：Complete
• 页码：212-223
• 全文大小：4298 K
• 卷排序：74

文摘

The CFD-based shape of the two-phase ejector is presented. The robust and efficient computational tool was used to perform the optimisation. The mixing section shape influences the ejector performance notably. The relatively high improvements of the ejector performance were obtained.