RP-336-机油对制冷剂管路压降的影响-国家数字标准馆

现行 RP-336

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Influence of Oil on Pressure Drop in Refrigerant Lines 机油对制冷剂管路压降的影响

测量了水平管内两相流的压降，其条件与制冷系统吸入管路中遇到的情况类似。在低制冷剂流量下，发现压降与Macken等人（1979）在之前的ASHRAE项目（109RP）中推荐的模型相关。在较高的制冷剂流量下，数据系统地偏离了麦肯模型。建议进行进一步的实验研究，尤其需要在制冷剂流量高于现有设备的情况下获得数据，以及在不同管径下获得数据。

The pressure drop for two phase flow in a horizontal pipe was measured under conditions like those encountered in the suction line of refrigeration systems. At low refrigerant flow the pressure drop was found to correlate with the model recommended by Macken et al. (1979) in a previous ASHRAE project (109RP). At higher refrigerant flow the data diverged systematically from the Macken model. Further experimental study is recommended, especially needed is data at higher refrigerant flux than the present apparatus can produce, and data at different pipe diameters.

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发布单位或类别：美国-美国采暖、制冷与空调工程师协会

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