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Quantification of liquid refrigerant distribution in parallel flow microchannel heat exchanger using infrared thermography.

Number: pap. 2147

Author(s) : LI H., HRNJAK P.

Summary

This paper presents a method to quantify the distribution of liquid refrigerant mass flow rate in parallel flow microchannel heat exchanger from the infrared images. Quantification is achieved by building the relationship between the liquid mass flow rate through each microchannel tube and the air side capacity calculated from the infrared measurement of the wall temperature. After being implemented in a heat exchanger model, the quantification method is validated against experimental data. This method can be used for several types of heat exchangers: evaporators, condensers etc., also it can be applied to various heat exchanger designs: different inlet/outlet locations, different flow configurations etc.

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Pages: 10 p.

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Details

  • Original title: Quantification of liquid refrigerant distribution in parallel flow microchannel heat exchanger using infrared thermography.
  • Record ID : 30013020
  • Languages: English
  • Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2014/07/14

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