Pool Boiling on Wire in Microgravity - What Have We Learned

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	Pool Boiling on Wire in Microgravity - What Have We Learned
	Zhao JF(赵建福); Wan SX(万士昕); Wang SF(王双峰); Zhao JF
会议录名称	6TH INTERNATIONAL SYMPOSIUM ON MULTIPHASE FLOW, HEAT MASS TRANSFER AND ENERGY CONVERSION
	2010
页码	269-274
会议名称	6th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion
会议日期	JUL 11-15, 2009
会议地点	Xian, PEOPLES R CHINA
摘要	In the past years, steady pool boiling of degassed R113 on thin platinum wires has been studied systematically in our lab, including experiments in long-term microgravity aboard RS-22, in short-term microgravity in the Drop Tower Beijing / NMLC, and in normal gravity on the ground. Slight enhancement of nucleate boiling heat transfer is observed in microgravity, while dramatic changes of bubble behaviors are much evident. The value of CHF in microgravity is lower than that in normal gravity, but it can be predicted well by the Lienhard-Dhir correlation, although the dimensionless radius in the present case is far beyond its initial application range. The scaling of CHF with gravity is thus much different from the traditional viewpoint. Considering the influence of the Marangoni effects, the different characteristics of bubble behaviors in microgravity have been explained. A new bubble departure model has also been proposed, which can predict the whole observation both in microgravity and in normal gravity.
关键词	Pool Boiling Bubble Detachment Scaling Of Chf Microgravity Bubble Dynamics Heat-transfer Convection Cylinders
ISBN号	978-0-7354-0744-2
URL	查看原文
收录类别	CPCI（ISTP）
语种	英语
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/44302
专题	微重力重点实验室
通讯作者	Zhao JF
推荐引用方式 GB/T 7714	Zhao JF,Wan SX,Wang SF,et al. Pool Boiling on Wire in Microgravity - What Have We Learned[C]6TH INTERNATIONAL SYMPOSIUM ON MULTIPHASE FLOW, HEAT MASS TRANSFER AND ENERGY CONVERSION,2010:269-274.

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