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Design and experimental validation of a new condenser of an automotive air conditioning unit to address non-uniform air velocity distributions.

Author(s) : LI W., TU J., LIU Y., WANG D., SHI J., CHEN J.

Type of article: IJR article

Summary

To improve the efficiency of automobile air conditioning and reduce the impact of non-uniform air velocity distributions caused by the front anti-collision beam on automobiles, we designed a new six-process condenser and tested it under different working conditions. A baffle was positioned to simulate the anti-collision beam during the experiment. We analyzed the condenser by itself and the system level performance of this newly designed condenser under three working conditions compared to a traditional four-process condenser. Condenser heat exchange capacity, condenser inlet pressure, system refrigerant flow rate, refrigerant flow resistance, thermal imaging of condenser outlet air, overall system cooling capacity, and coefficient of performance were compared. The coefficient of performance of the system with this new condenser improved by 8.5%, 7.8%, and 10.3% for the three tested working conditions.

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Pages: 834-846

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Details

  • Original title: Design and experimental validation of a new condenser of an automotive air conditioning unit to address non-uniform air velocity distributions.
  • Record ID : 30029188
  • Languages: English
  • Subject: Technology
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
  • Publication date: 2021/11
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2021.01.031
  • Document available for consultation in the library of the IIR headquarters only.

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