Condensation of R1234ze(Z) inside a vertical plate-fin heat exchanger

Sho Fukuda, Hongcheng Zhang, Nobuo Takata, Tatsuya Matsumoto, Shigeru Koyama

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 被引用数 (Scopus)

抄録

In the present study, the condensation of a newly developed low-GWP refrigerant R1234ze(Z) in a vertical plate-fin heat exchanger has been investigated experimentally and theoretically. In the experiment, the local condensation heat transfer characteristics of R1234ze(Z) flowing downward inside a finned vertical path made of SUS 316 were measured with a pressure transducer, some thermocouples and some heat flux sensors. The experimental results were compared with a semi-empirical correlation of mixed convection condensation heat transfer of pure refrigerant inside a vertical smooth tube, which were proposed by Dilao (1993). The experimental results were about two times higher than the semi-empirical correlation. In the theoretical analysis, the conjugate problem of the mixed convection condensation on a finned vertical surface and the heat conduction in a fin was solved numerically. Then, the numerical results on the heat transfer characteristics were compared with the experimental ones. The effects of fin shapes on the heat transfer characteristics were also examined by the present numerical analysis.

本文言語英語
ホスト出版物のタイトル24th IIR International Congress of Refrigeration, ICR 2015
出版社International Institute of Refrigeration
ページ1107-1114
ページ数8
ISBN(電子版)9782362150128
DOI
出版ステータス出版済み - 2015
イベント24th IIR International Congress of Refrigeration, ICR 2015 - Yokohama, 日本
継続期間: 8 16 20158 22 2015

出版物シリーズ

名前Refrigeration Science and Technology
ISSN(印刷版)0151-1637

その他

その他24th IIR International Congress of Refrigeration, ICR 2015
Country日本
CityYokohama
Period8/16/158/22/15

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Condensed Matter Physics

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