臭化リチウム水溶液の水蒸気吸収における表面張力不安定に関する線形安定性解析 : 気液界面の変形を伴う長波長不安定について

概要

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Linear stability analysis is applied to the lithium bromide aqueous solution flowing down on an inclined flat plate and surface tension-driven instability is investigated. The analytical model includes effects of surface deformation on the long wave instability. The analysis gives neutral instability curves in the long wave region and shows that the thermal boundary condition applied to the bottom wall takes a significant role in the occurrence of the long wave instability. When the bottom wall is isothermal, the long wave instability occurs for a positive Marangoni number. To the contrary, when the bottom wall is insulated, the instability occurs for a negative Marangoni number. This behavior is very important and responsible for the wetness of the plate.
一般社団法人日本機械学会の論文
1998-07-25