竖直矩形窄通道内流动沸腾研究进展
摘要：综述了几何与工况参数变化对竖直矩形窄通道内换热效果影响的传热实验研究，以及窄通道内气泡成核与移动、流型及其转换的研究，从传热模型、核态沸腾起始点、有效空泡起始点、流动不稳定起始点、临界热流密度的研究等方面分析和总结了矩形窄通道内流动沸腾的传热机理研究。结合目前实验与理论研究，总结了现存问题，为矩形窄通道内流动沸腾的进一步研究提供参考。
关键词：矩形窄通道流动沸腾两相流传热机理气泡流型
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[32] HIBIKI T,MISHIMA K.Flow regime transition criteria for upward two-phase flow in vertical narrow rectangular channels[J].Nuclear engineering and design,2001,203(2/3):117- 131.
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[34] YUAN P,DENG J,PAN L,et al.Air-water two-phase flow regime and transition criteria in vertical upward narrow rectangular channels[J].Progress in nuclear energy,2021,136(1):103750.
[35] 金光远，韩月阳.矩形通道内泡状流-弹状流转换边界判定方法[J].工程热物理学报，2017,38(10):2208- 2212.
[36] 王艳林，陈炳德，黄彦平，等.矩形窄通道内泡状流向搅拌流转变预测模型[J].核动力工程，2012,33(4):102- 105,110.
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[38] BERTSCH S S,GROLL E A,GARIMELLA S V.A composite heat transfer correlation for saturated flow boiling in small channels[J].International journal of heat and mass transfer,2009,52(7/8):2110- 2118.
[39] KIM S M,MUDAWAR I.Universal approach to predicting saturated flow boiling heat transfer in mini/micro-channels:part II.two-phase heat transfer coefficient [J].International journal of heat and mass transfer,2013,64:1239- 1256.
[40] KEW P A,CORNWELL K.Correlations for the prediction of boiling heat transfer in small-diameter channels[J].Applied thermal engineering,1997,17(8/9/10):705- 715.
[41] WARRIER G R,DHIR V K,MOMODA L A.Heat transfer and pressure drop in narrow rectangular channels[J].Experimental thermal and fluid science,2002,26(1):53- 64.
[42] SUN L C,MISHIMA K.An evaluation of prediction methods for saturated flow boiling heat transfer in mini-channels[J].International journal of heat and mass transfer,2009,52(23/24):5323- 5329.
[43] LI W,WU Z.A general criterion for evaporative heat transfer in micro/mini-channels[J].International journal of heat and mass transfer,2010,53(9/10):1967- 1976.
[44] 陈冲，孟清正，吴炜，等.竖直窄矩形通道内沸腾换热系数的预测模型[J].核动力工程，2017,38(2):175- 178.
[45] AL-YAHIA O S,JO D.ONB,OSV,and OFI for subcooled flow boiling through a narrow rectangular channel heated on one-side[J].International journal of heat and mass transfer,2018,116:136- 151.
[46] 郑志皋，陶乐仁，黄理浩.竖直矩形窄通道内水流动沸腾起始点及壁面温度实验研究[J].低温工程，2013(6):1- 4,20.
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Research progress on flow boiling in vertical narrow rectangular channels
Abstract: This paper reviews the heat transfer experimental studies on the effects of geometric and operating parameters on heat transfer in vertical narrow rectangular channels, and the studies on the nucleation and movement of bubbles and the flow regime and transformation in narrow channels. The research on the heat transfer mechanism of flow boiling in narrow rectangular channels is analysed and summarized from the aspects of heat transfer model, onset of nucleate boiling, onset of significant void, onset of flow instability and critical heat flux. Combined with the current experimental and theoretical research, the existing problems are summarized, which provides a reference for the further study of flow boiling in narrow rectangular channels.
Keywords: narrow rectangular channel; flow boiling; two-phase flow; heat transfer mechanism; bubble; flow regime;
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