日本マイクログラビティ応用学会誌
Print ISSN : 0915-3616
濡れ性に駆動される自由表面流と接触線挙動
姫野 武洋 梅村 悠井上 智博鵜沢 聖治渡辺 紀徳
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ジャーナル オープンアクセス

2012 年 29 巻 1 号 p. 8-

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In order to obtain the fundamental knowledge of free-surface flows under low-gravity conditions, the unsteady deformation of liquid surface in cylindrical vessels were experimentally observed with a drop tower. Main concern was placed on the dynamic behavior of the liquid driven by surface force and wetting. The deformation of the ethanol surface driven by surface tension was confirmed to be governed by the similarity rule described by Weber number. Even when the operating fluid was changed to ethyl benzene or FC-77, the scaled displacement has good correlation with the scaled time. Among the operating fluids with the similar values of advancing contact angle, the similarity law was well established in the present cases.
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© 2012 日本マイクログラビティ応用学会
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