EFFECT OF SURFACE DEFORMATION ON THERMOCAPILLARY BUBBLE MIGRATION

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題名:	EFFECT OF SURFACE DEFORMATION ON THERMOCAPILLARY BUBBLE MIGRATION
作者:	CHEN,JC;LEE,YT
貢獻者:	機械工程學系
關鍵詞:	MARANGONI NUMBERS;GAS BUBBLE
日期:	1992
上傳時間:	2010-06-29 18:08:43 (UTC+8)
出版者:	中央大學
摘要:	Under microgravity environments, the thermocapillary migration of a deformable gas bubble placed in a liquid with a constant temperature gradient is investigated numerically. A finite difference method with boundary-fitted coordinates is employed to solve the axisymmetric governing equations. An iterative procedure is introduced for the computation of the deformable shape and the thermal velocity of the gas bubble. The influence of the Marangoni and capillary number is considered. Results of the computations show that the terminal velocity of the gas bubble is reduced significantly by the effect of surface deformation.
關聯:	AIAA JOURNAL
顯示於類別:	[機械工程研究所] 期刊論文

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