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Study on heat transfer performance of antifreeze-R134a heat exchanger (ARHEx)

  • Liping Pang
  • , Kun Luo
  • , Shizhao Yu
  • , Desheng Ma
  • , Miao Zhao
  • , Xiaodong Mao*
  • *Corresponding author for this work
  • Beihang University
  • Xinxiang Aviation Industry (Group) Co., Ltd.
  • Shenyang Aerospace University

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, the liquid cooling and vapor compression refrigeration system based on an Antifreeze-R134a Heat Exchanger (ARHEx) was applied to the thermal management system for high-power avionics in helicopters. The heat transfer performance of the ARHEx was studied. An experimental prototype of ARHEx was designed and established. A series of experiments was carried out with a ground experimental condition. A heat transfer formula for the antifreeze side in the ARHEx was obtained by means of the coefficient of Nusselt number with experimental analysis. The performance of heat transfer and pressure drop for the refrigerant side of the ARHEx was deduced for the given condition.

Original languageEnglish
Article number6129
JournalEnergies
Volume13
Issue number22
DOIs
StatePublished - 2 Nov 2020

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Antifreeze-R134a heat exchanger
  • Avionics
  • Heat transferperformance
  • Thermalmanagement

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