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级间喷射膨胀阀开度对双级压缩系统性能影响

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2015-08-15

Journal: 化工机械

Included Journals: ISTIC

Volume: 42

Issue: 4

Page Number: 476-483

ISSN: 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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