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通孔金属泡沫表面的池沸腾实验研究
  • ISSN号：0253-231X
  • 期刊名称：《工程热物理学报》
  • 时间：0
  • 分类：TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]西安交通大学动力工程多相流国家重点实验室,陕西西安710049, [2]西安交通大学强度与振动教育部重点实验室,陕西西安710049, [3]川庆钻探工程有限公司长庆井下技术作业公司,陕西西安710018
  • 相关基金：国家重大基础研究发展计划（No.2006CB601203）;国家自然科学基金（No.50806057;No.10632060）;国家高技术研究发展计划（No.2006AA032519）;国家“111”引智计划（No.B06024）
作者： 徐治国[1], 屈治国[1], 李定国[1], 赵长颖[1], 陶文铨[1], 卢天健[2], 王美琴[3]
关键词： 金属泡沫, 池沸腾, 汽泡生长周期, 汽泡脱离直径, metal foam, pool boiling, bubble growth cycle, bubble departure diameter
中文摘要：

本文对烧结有厚度为30mm的高孔隙率通孔铜泡沫的水平表面的池沸腾进行实验研究。并采用高速摄像仪对泡沫表面的汽泡生长形貌进行了可视化研究，研究了壁面过热度对热流密度、汽泡脱离直径、汽泡生长周期的影响关系。结果表明由于本文所研究的通孔泡沫厚度较大，限制了汽泡的脱离，使传热性能低于光表面，但是使沸腾起始点降低至3℃。

英文摘要：

The pool boiling performance on a horizontal surface of high porosity copper foam with a thickness of 30 mm is experimentally studied. The bubble growth visualization in a nucleate boiling process is recorded by a high-speed camera. The influences of wall superheat on a wall heat flux, bubble growth cycle and bubble departure diameter are investigated. It reveals that the total nucleate pooling heat transfer coefficient is lower than that on a smooth surface since the foam thickness is too high to offer much friction force to bubble departure while wall superheat for the boiling starting point is reduced to 3℃.

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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026