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单相液体发汗冷却规律实验

熊宴斌 祝银海 姜培学 黄拯 刘元清

熊宴斌, 祝银海, 姜培学, 黄拯, 刘元清. 单相液体发汗冷却规律实验[J]. 航空动力学报, 2013, 28(9): 1956-1961.
引用本文: 熊宴斌, 祝银海, 姜培学, 黄拯, 刘元清. 单相液体发汗冷却规律实验[J]. 航空动力学报, 2013, 28(9): 1956-1961.
XIONG Yan-bin, ZHU Yin-hai, JIANG Pei-xue, HUANG Zheng, LIU Yuan-qing. Experiment of transpiration cooling rules of single phase liquid[J]. Journal of Aerospace Power, 2013, 28(9): 1956-1961.
Citation: XIONG Yan-bin, ZHU Yin-hai, JIANG Pei-xue, HUANG Zheng, LIU Yuan-qing. Experiment of transpiration cooling rules of single phase liquid[J]. Journal of Aerospace Power, 2013, 28(9): 1956-1961.

单相液体发汗冷却规律实验

基金项目: 基础研究计划(B1420110113);国家自然科学基金(50736003)

Experiment of transpiration cooling rules of single phase liquid

  • 摘要: 以超燃冲压发动机内支板结构的热防护问题为背景,制备了全烧结金属多孔介质支板结构,并对以液态水为冷却工质的发汗冷却特性进行了实验研究.实验结果表明:液态水发汗冷却能有效地减少支板壁面和高温流体之间的换热,当注入率为2%时,冷却效率可以高达93%;随注入率增大,发汗冷却的冷却效率趋近于100%,增幅逐渐减小;在该实验所采用的两种不同主流温度条件下,相同注入率、相同位置的冷却效率近似相等.对发汗冷却的冷却剂停止供应后的支板表面温度热响应特性进行了初步研究,根据支板内液态水蒸发的过程分3个阶段进行了分析.

     

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出版历程
  • 收稿日期:  2012-08-23
  • 刊出日期:  2013-09-28

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