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EXPERIMENTAL INVESTIGATION OF TWO-PHASE REFRIGERATION EJECTOR

机译:两相制冷喷射器的实验研究

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摘要

The throttling loss in compression refrigeration system may be significantly reduced by means of two-phase liquid-vapour ejector in the liquid line.This ejector produce the interstage pressure in the system,therefore it operates as a booster compressor.The appropriate operation of the ejector requires a special design which is the reason for a clear need for the experimental investigations.The special testing stand along with measurement system has been presented in the paper.The selected experimental results of performance of the two-phase ejector operating with refrigerant R-123 have been presented.The effect of the geometry of the mixing chamber and the motive nozzle as well as operating parameters on the efficiency and compression ratio have been showed.The pressure and temperature distributions in ejector for various compression ratios have been also presented in the paper.
机译:压缩制冷系统中的节流损失可以通过液体管路中的两相液体蒸汽喷射器来减少。该喷射器在系统中产生级间压力,因此可以作为增压压缩机运行。需要进行特殊设计,这是明确需要进行实验研究的原因。本文提供了特殊的测试台以及测量系统。使用制冷剂R-123的两相喷射器性能的选定实验结果研究了混合室和动力喷嘴的几何形状以及运行参数对效率和压缩比的影响,并给出了不同压缩比的喷射器中的压力和温度分布。

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  • 来源
    《Compressors 2006》|2006年|p.1-8|共8页
  • 会议地点 Casta Papiernicka(SK);Casta Papiernicka(SK)
  • 作者单位

    Institute of Fluid-Flow Machinery of Polish Academy of Sciences,Gdańsk,Poland,butrym@imp.gda.pl;

    Institute of Fluid-Flow Machinery of Polish Academy of Sciences,Gdańsk;

    Institute of Fluid-Flow Machinery of Polish Academy of Sciences,Gdańsk;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 压缩机;
  • 关键词

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