利用喷射提高跨临界二氧化碳系统的性能（Use injection to improve the performance of the cross - critical carbon dioxide system）.docVIP

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利用喷射提高跨临界二氧化碳系统的性能（Use injection to improve the performance of the cross - critical carbon dioxide system）.doc

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利用喷射提高跨临界二氧化碳系统的性能（Use injection to improve the performance of the cross - critical carbon dioxide system）

利用喷射提高跨临界二氧化碳系统的性能（Use injection to improve the performance of the cross - critical carbon dioxide system） Use the injection to improve the performance of the cross - critical carbon dioxide system. TXT teacher, you are the devil in my heart, the poor monk is closer to you, farther away from Buddha... The PE teacher of junior high school say: who dare to wear skirt again my class, punish her to stand upside down. This article is contributed by piui03izmn PDF documents may have a poor browsing experience at the WAP end. It is recommended that you choose TXT, or download the source file to the native view. Claudio. 5 In May 2006, XI an JIAOTONG UNIVERSITY JOURNAL OF XI an JIAOTONG UNIVERSITY 40 Vol. № 5 May 2006 Use injection to improve the performance of the cross - critical carbon dioxide system Li tao, sun min, li qiang, Chen yunguang, yuan xiuiling (energy and power engineering college, xi an jiaotong university, 710049, xi an) Abstract: established across critical carbon dioxide in a vapor compression/ejection refrigeration cycle mathematical model of the ejector, discussed the system is stable operation of evaporation temperature, the pressure in the gas cooler and its outlet temperature, degree of superheat factors effect the performance of the system. The results show that when the workflow flow with the diffuser outlet vapor flow is equal to stable operation of the system. At the same time, higher evaporation temperature can improve system performance, but a vapor compression/injection cycle relatively simple cycle performance coefficient lessen degree; The pressure in the gas cooler is optimal, but reducing the pressure can improve the performance of the system. Higher gas cooler outlet temperature will reduce the performance of the system, but a vapor compression/injection cycle phase on the performance of simple circulation coefficient increase degree will first increase, then decrease rapidly. Compared with the above factors, the effect of superheat is sm