首页> 外文期刊>International journal of air-conditioning and refrigeration >Helical Capillary Tube Sizing Charts for All Mixture Ratios of R125, R134a and R32
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Helical Capillary Tube Sizing Charts for All Mixture Ratios of R125, R134a and R32

机译:R125,R134a和R32所有混合比的螺旋毛细管尺寸图

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摘要

This research presents two helical capillary tube sizing charts for R407C and R410A, two correction charts for another tube size, and a correction chart for all mixture ratios of R125, R134a and R32. These charts are obtained from the homogeneous flow model including the effect of gravitational force. It is verified by comparison with experimental data obtained from the published literature. From the model, the sizing charts for a diameter of 1.63 mm, length of 2.03 m, and helix diameter of 500 mm are developed. Two charts for size correction are also developed. The first one is for tube diameter of 0.5-5 mm and length of 0.25-10 m. The second one is for helix diameter of 20-1000 mm. Finally, one more chart for mixture ratio correction is proposed. This chart can be applied to all mixture ratios of R125, R134a and R32.
机译:这项研究提供了两个R407C和R410A的螺旋毛细管尺寸图,两个用于另一种管尺寸的校正图以及一个R125,R134a和R32所有混合比的校正图。这些图表是从包含重力影响的均质流动模型获得的。通过与从公开文献中获得的实验数据进行比较来验证这一点。根据该模型,绘制出直径为1.63 mm,长度为2.03 m,螺旋直径为500 mm的尺寸表。还开发了两个用于尺寸校正的图表。第一个是管直径为0.5-5 mm,长度为0.25-10 m。第二个是螺旋直径为20-1000 mm。最后,提出了另一张用于混合比校正的图表。该图表可应用于R125,R134a和R32的所有混合比。

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