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棒束再淹没传热试验研究

棒束再淹没传热试验研究[J]. 原子能科学技术, 1993, 27(4): 348-348. DOI: 10.7538/yzk.1993.27.04.0348
引用本文: 棒束再淹没传热试验研究[J]. 原子能科学技术, 1993, 27(4): 348-348. DOI: 10.7538/yzk.1993.27.04.0348
SHI MINGZHE;XU GUOHUA China Institute of Atomic Energy, P. O. Box 275, Beijing, 102413. THE REFLOODING HEAT TRANSFER EXPERIMENM IN ROD BOUNDLE[J]. Atomic Energy Science and Technology, 1993, 27(4): 348-348. DOI: 10.7538/yzk.1993.27.04.0348
Citation: SHI MINGZHE;XU GUOHUA China Institute of Atomic Energy, P. O. Box 275, Beijing, 102413. THE REFLOODING HEAT TRANSFER EXPERIMENM IN ROD BOUNDLE[J]. Atomic Energy Science and Technology, 1993, 27(4): 348-348. DOI: 10.7538/yzk.1993.27.04.0348

棒束再淹没传热试验研究

  • 摘要: 采用21根束棒元件研究系统压力对再淹没传热的影响。试验参数范围为:系统压力为0.1—0.4MPa,入口淹没率为14.5—39.5mm·s~(-1),加热功率为0-0.116kW·m~(-1),初始壁温为380—540℃,入口水温为25-40℃。实验结果表明:再湿速度、传热系数和骤冷温度随系统压力的增加而增加。

     

    Abstract: Experiments are performed for investigating the effect of system pressure on reflooding heat trans-fer. The test section is a rod boundle with 21 rods. The test parameter is in the range of 0.1--0.4 MPafor system pressure, 14.5--39.5mm·s~(-1) for inlet reflood flow rate, 0--0.116kW·m~(-1) for heatingpower, 380--540℃ for initial wall temperature and 25--40℃ for inlet temperature, respectively. Theexperimental results show that rewetting velocity is increased, heat transfer coefficient and guench tem-perature are all increased with system pressure.

     

  • [1] 1 颜迪民,许国华,周润彬.管状试验段底部淹没时的再湿传热.工程热物理学报,1985,6(1) :63--65. 2 许国华,陈明星.水在加热表面上的再湿传热.中国工程热物理学会,1984. 3 陈明星,许国华,贾桂英.定位架对再淹没传热的影响.原子能科学技术,1989,23(5) :29--36. 4 Chung, MK. Experiment Study on Reflood Phenomena. SRW--18, 1978. 5 Hoffman HW. International Development in Heat Transfer Part Ⅲ--Ⅴ. 1961. 6 许国华.定位架对元件表面传热的影响.原子能科学技术,1987,21(5) :523--527.
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出版历程
  • 收稿日期:  1992-12-07
  • 刊出日期:  1993-07-19

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