| 蒸发毛细弯液面热质传输特征及其稳定性分析 |
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| 引用本文： | 黄晓明,TARIK Kaya.蒸发毛细弯液面热质传输特征及其稳定性分析[J].西安交通大学学报,2010,44(3). |
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| 作者姓名： | 黄晓明 TARIK Kaya |
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| 作者单位： | 1. 华中科技大学能源与动力工程学院,430074,武汉
2. 卡尔顿大学机械与航空航天工程学院,K1S5B6,加拿大渥太华 |
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| 基金项目： | 国家自然科学基金资助项目，中国博士后科学基金资助项目 |
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| 摘 要： | 在基于增广杨拉普拉斯方程及Wayner界面传质方程的蒸发毛细弯液面薄膜区热质传输模型的基础上,利用数值计算分析方法,讨论了系统运行参数、几何参数、工质物性参数对界面热质传输能力和稳定性的影响.结果表明:高过热度和高弯液面温度下,弯液面具有较强的热传输能力,但稳定性下降;毛细通道几何参数对界面热质传输的影响较小,而选择不同的工质其界面热质传输特征会有较大差异.相对而言,高热质传输能力对应了较低的界面稳定性,故在毛细抽吸两相回路的设计中需综合考虑二者的关系.
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| 关 键 词： | 毛细抽吸两相装置 蒸发弯液面 传热传质 |
Heat and Mass Transfer Characteristics and Stability of Capillary Evaporating Meniscus |
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| HUANG Xiaoming ,TARIK Kaya.Heat and Mass Transfer Characteristics and Stability of Capillary Evaporating Meniscus[J].Journal of Xi'an Jiaotong University,2010,44(3). |
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| Authors: | HUANG Xiaoming TARIK Kaya |
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| Institution: | HUANG Xiaoming 1,TARIK Kaya2(1.School of Energy , Power Engineering,Huazhong University of Science , Technology,Wuhan 430074,China,2.Mechanical , Aerospace Engineering Department of Carleton University,Ottawa,Ontario K1S5B6,Canada) |
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| Abstract: | From the augment Young-Laplace equation and the Wayner's interface mass flux equation,the influence of system operating parameters,geometry parameters and working fluid properties on the heat and mass transfer of an evaporating meniscus,as well as its stability,was investigated using the numerical analysis on a thin-film heat and mass transfer model in the present work.The results show that the meniscus with higher superheat degree or higher meniscus temperature has a greater capability of heat and mass tra... |
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| Keywords: | capillary pumped two phase devices evaporating meniscus heat and mass transfer |
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