Pool boiling heat transfer of low GWP refrigerants R1234ze(E), R1234ze(Z) and R1233zd(E) on a horizontal plane tube

Ryuichi Nagata, Noriko Nii, Chieko Kondou, Shigeru Koyama

    研究成果: 書籍/レポート タイプへの寄稿会議への寄与

    抄録

    The low GWP refrigerant of R1234ze(E) is considered to be the prospective candidate alternative to conventional R134a for car air conditioners, while the isomer R1234ze(Z) and R1233zd(E) are anticipated to be the low GWP alternative to R245fa used in high-temperature heat pumps and organic Rankine cycles. The pool boiling heat transfer coefficients (HTCs) of these refrigerants on a horizontal smooth tube made of a copper with an outer diameter of 19.12 mm are quantitatively assessed in this study. The data on surface tension are also presented for R1234ze(E), R1234ze(Z) and R1233zd(E). The observed bubble behaviour and surface tension data support the relativity in HTC. It was confirmed that the experimental HTC closely agrees with the calculated HTC of Stephan-Abdelsalam (1980), Ribatski-Jabardo (2003), and Gorenflo etal. (2010).

    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746-753
    ページ数8
    ISBN(電子版)9782362150128
    DOI
    出版ステータス出版済み - 1月 1 2015
    イベント24th IIR International Congress of Refrigeration, ICR 2015 - Yokohama, 日本
    継続期間: 8月 16 20158月 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
    国/地域日本
    CityYokohama
    Period8/16/158/22/15

    !!!All Science Journal Classification (ASJC) codes

    • 制御およびシステム工学
    • 電子工学および電気工学
    • 機械工学
    • 凝縮系物理学

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