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二氧化碳跨临界压缩机研究进展 被引量:9

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摘要 滑片式压缩机是容积式压缩机的一种。气体在滑片式压缩机压缩过程中的泄漏途径有周边密封间隙、转子表面间隙、滑片端部间隙和再膨胀等。因为在滑片式CO2压缩机中泄漏损失是影响容积效率的重要因素,而压降损失对容积效率的影响很小,所以容积效率会随转速的提高而增大。对于滑片式CO2压缩机来说,即使转速很高,其吸气压降值也很小,因而与R134a压缩机相比,它更适于在高转速的条件下工作。由于泄漏损失随转速的升高而下降,而压力损失随转速的升高而增加,所以指示效率会随转速的增加略显凸形。
机构地区 西安交通大学
出处 《制冷与空调》 2006年第3期8-14,共7页 Refrigeration and Air-Conditioning
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参考文献9

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