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	Characteristics of nucleation and bubble growth during microscale boiling
	Tian, Yong ; Liu, Jiang-Tao ; Peng, Xiao-Feng
	2010-05-10 ; 2010-05-10
会议名称	HT2005: Proceedings of the ASME Summer Heat Transfer Conference 2005, Vol 2 ; ASME Heat Transfer Summer Conference ; San Francisco, CA ; Web of Science
关键词	MICROCHANNEL HEAT SINKS ELECTRONIC DEVICES FLOW Thermodynamics
中文摘要	In this paper, both nucleus formation and bubble growth during boiling in microchannels were investigated. A series of visualized experiments were conducted to observe the boiling nucleation and bubble dynamics restricted within parallel microchannels on a silicon wafer. The channels were rectangular and had selected length scale ranging from 50 to 100 microns. A high-speed CCD camera was employed together with a microscope to dynamically record the boiling images. The rates of bubble growth were measured in the channels. The phase change nucleus fort-nation theory was used to determine the initial position of the bubble. The bubble growth rate was described by two ordinary differential equations deduced from the microlayer evaporation theory. The calculation and experimental results were reasonably coincided.
会议录出版者	AMER SOC MECHANICAL ENGINEERS ; NEW YORK ; THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19581]
专题	清华大学
推荐引用方式 GB/T 7714	Tian, Yong,Liu, Jiang-Tao,Peng, Xiao-Feng. Characteristics of nucleation and bubble growth during microscale boiling[C]. 见:HT2005: Proceedings of the ASME Summer Heat Transfer Conference 2005, Vol 2, ASME Heat Transfer Summer Conference, San Francisco, CA, Web of Science.

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