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author:

王锦辉 (王锦辉.) [1] | 刘曦 (刘曦.) [2] (Scholars:刘曦) | 傅阮松 (傅阮松.) [3] | 李学来 (李学来.) [4] (Scholars:李学来)

Abstract:

近年来CO_2等具有优良环保性能的自然工质重新引起了制冷界的关注。基于此背景,本文主要对带节流阀的跨临界双级循环(TSCV+TG循环)、带节流阀和中间冷却器的跨临界双级循环(TSCV+TG+IC循环)及带膨胀机和中间冷却器的跨临界双级循环(ISE循环)进行性能分析,研究高压侧排气压力和蒸发温度对系统性能的影响,结果表明:对比TSCV+TG循环,TSCV+TG+IC循环和ISE循环可有效提高系统性能和降低高压侧排气压力,其中COP分别提高50.0%和54.5%,最优高压分别降低了0.4MPa和0.6MPa,压缩功分别降低36.1%和36.9%。

Keyword:

R744 制冷循环 性能分析

Community:

  • [ 1 ] 福州大学石油化工学院

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Year: 2018

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 1

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