Jet flow phenomena during nucleate boiling

被引:54
|
作者
Wang, H
Peng, XF [1 ]
Wang, BX
Lee, DJ
机构
[1] Tsing Hua Univ, Dept Thermal Engn, Beijing 100084, Peoples R China
[2] Natl Taiwan Univ, Dept Chem Engn, Taipei 106, Taiwan
基金
中国国家自然科学基金;
关键词
boiling; nucleation; jet flow; bubble;
D O I
10.1016/S0017-9310(01)00246-0
中图分类号
O414.1 [热力学];
学科分类号
摘要
Boiling phenomena are with highly complex nonlinear and nonequilibrium characteristics, which cause diversity and complexity of boiling nucleation. In the present paper, an experimental investigation was conducted to investigate the nucleate boiling behavior on a very fine heating wire. Using zoom routine and CCD camera system, the dynamical process of nucleate boiling was visually observed and several modes of jet flows were explored during nucleate boiling. This phenomenon is quite different from the usual observation of nucleate boiling. High-energy liquid jet, fog-like jet, cluster-like jet, bubble-forming jet, bubble-bunch jet and bubble-top jet were described in detail. The microscopic mechanism concerning the phenomena was discussed. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码:1359 / 1363
页数:5
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