Experimental study of adoption of alternative refrigerant for avionic equipment cooling system

Hoon Kang, Jongho Jung, Minwoo Jung, Yongnam Chi, Yongseon Yoo, Heeju Choi, Youngman Byeon, Youngjin Kim, Kwangyoon Oh, Yong Chan Kim

Research output: Contribution to journalArticle

Abstract

A cooling system is adopted to control the thermal load from the avionic equipments in an aircraft for stable operation. In this study, an avionic cooling system was designed and manufactured by adopting a vapor compression cycle with a closed-loop air-circulation system to investigate the operating characteristics of an alternative refrigerant. The performance characteristics of a cooling system adopting R236fa as an alternative refrigerant were experimentally determined by varying the refrigerant charging amount, expansion valve opening, and compressor rotation speed. The experimental results were analyzed and compared with those of a cooling system adopting R124 as a refrigerant. The possibility of the adoption of R236fa as an alternative refrigerant was verified, and design solutions were suggested to improve the system efficiency.

Original languageEnglish
Pages (from-to)431-439
Number of pages9
JournalTransactions of the Korean Society of Mechanical Engineers, B
Volume37
Issue number5
DOIs
Publication statusPublished - 2013 Jan 1

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Avionics
Refrigerants
Cooling systems
Thermal load
Compressors
Compaction
Vapors
Aircraft
Air

Keywords

  • Alternative Refrigerant
  • Avionic Equipment
  • Cooling System
  • Vapor Compression Cycle

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Experimental study of adoption of alternative refrigerant for avionic equipment cooling system. / Kang, Hoon; Jung, Jongho; Jung, Minwoo; Chi, Yongnam; Yoo, Yongseon; Choi, Heeju; Byeon, Youngman; Kim, Youngjin; Oh, Kwangyoon; Kim, Yong Chan.

In: Transactions of the Korean Society of Mechanical Engineers, B, Vol. 37, No. 5, 01.01.2013, p. 431-439.

Research output: Contribution to journalArticle

Kang, Hoon ; Jung, Jongho ; Jung, Minwoo ; Chi, Yongnam ; Yoo, Yongseon ; Choi, Heeju ; Byeon, Youngman ; Kim, Youngjin ; Oh, Kwangyoon ; Kim, Yong Chan. / Experimental study of adoption of alternative refrigerant for avionic equipment cooling system. In: Transactions of the Korean Society of Mechanical Engineers, B. 2013 ; Vol. 37, No. 5. pp. 431-439.
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