过冷沸腾非均相汽泡界面特性分析

工程热物理学报 , 2005, 26(z1): 143-145.

1.清华大学热能工程系相变与界面传递现象实验室,北京,100084

2.清华大学热能工程系相变与界面传递现象实验室,北京,100084

3.清华大学热能工程系相变与界面传递现象实验室,北京,100084

4.清华大学热能工程系相变与界面传递现象实验室,北京,100084

基金项目: 国家重点基础研究发展计划(973计划)(G2000026301) 国家自然科学基金(59976016)

JET FLOW STRUCTURES AROUND STATIONARY BUBBLES DURING NUCLEATE BOILING

本文针对过冷沸腾中汽泡顶部射流现象进行分析与模拟.建立汽泡界面模型,考虑蒸发凝结以及Marangoni效应.利用CFD软件Fluent 6.0对模型进行计算分析,成功模拟得到泡顶射流流场.模拟结果无论是流场结构,还是流场强度,都与实验一致吻合,充分证明泡顶射流由Marangoni效应引起.

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