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级间喷射膨胀阀开度对双级压缩系统性能影响

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Indexed by:期刊论文

Date of Publication:2015-08-15

Journal:化工机械

Included Journals:ISTIC

Volume:42

Issue:4

Page Number:476-483

ISSN No.:0254-6094

Key Words:双级压缩;中间喷射;级间压力

Abstract:基于具有中间换热器结构的变容量双级压缩实验台,研究了级间喷射膨胀阀开度对双级压缩性能的影响.实验结果显示:随喷射回路膨胀阀开度的增大,中间压力先显著增大后缓慢上升,导致低压机排气温度先显著上升后保持不变,高压机排气温度先缓慢下降后显著降低,系统制热量和制热COP均先上升后轻微下降.

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