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首页> 外文期刊>Heat and mass transfer >An experimental study of the flow of LPG as refrigerant inside an adiabatic helical coiled capillary tube in vapour compression refrigeration system
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An experimental study of the flow of LPG as refrigerant inside an adiabatic helical coiled capillary tube in vapour compression refrigeration system

机译：LPG作为制冷剂在蒸气压缩制冷系统中绝热螺旋盘绕毛细管内部流动的实验研究。

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摘要

This paper presents an experimental investigation for the flow of liquefied petroleum gas (LPG) as a refrigerant inside an adiabatic helically coiled capillary tube in vapour compression refrigeration system. The effect of various geometric parameters and operating conditions like capillary tube inner diameter, length of capillary tube, coil diameter and different inlet subcoolings on the mass flow rate of LPG through the helical coiled capillary tube geometry has been investigated. It has been established that the coil diameter significantly influences the mass flow rate of LPG through the adiabatic helical capillary tube. It has been concluded that the effect of coiling of capillary tube reduces the mass flow rate by 5-12 % as compared to those of the straight capillary tube operating under similar conditions. The data obtained from the experiments are analyzed and a dimensionless correlation has been developed. The proposed correlation predicts that more than 90 % of experimental data which is in agreement with measured data in an error band of ±10 %.
机译：本文提出了一种蒸气压缩制冷系统中作为绝热螺旋盘旋毛细管内部的制冷剂液化石油气（LPG）流动的实验研究。研究了各种几何参数和操作条件（例如毛细管内径，毛细管长度，盘管直径和不同的入口过冷度）对通过螺旋盘绕的毛细管几何形状的LPG的质量流量的影响。已经确定，盘管直径显着影响通过绝热螺旋毛细管的LPG的质量流率。已经得出结论，与在类似条件下操作的直毛细管相比，毛细管的盘绕效果使质量流率降低了5-12％。分析从实验中获得的数据，并开发了无量纲的相关性。所提出的相关性预测，超过90％的实验数据与±10％误差带内的测量数据相符。

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  • 来源
    《Heat and mass transfer》 |2015年第11期|1571-1577|共7页
  • 作者

    Sanjeev Singh Punia; Jagdev Singh;

  • 作者单位

    Department of Mechanical Engineering, Vaishno College of Engineering, Nurpur, Kangra 176403, HP, India;

    Department of Mechanical Engineering, Beant College of Engineering and Technology, Gurdaspur 143521, PB, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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