Adhesion forces and contact angles of water strider legs

Pal Jen Wei; Sheng Chao Chen; Jen-Fin Lin

doi:10.1021/la803223r

Adhesion forces and contact angles of water strider legs

Pal Jen Wei, Sheng Chao Chen, Jen-Fin Lin

機械工程學系

研究成果: Article › 同行評審

32 引文斯高帕斯（Scopus）

摘要

This study investigated the adhesion (pull-off) force and contact angles of a water strider's leg. During hydrostatic experiments, the adhesion force was found to be 2 dyn. The image of a cross section of a live leg contacted with a deformed water surface provided the contact angle of 168.8°. A numerical scheme was proposed to determine the water surface on a groove wall of a seta. The results showed that the asperities of a seta are almost wetted, and the fraction of the wetted projection area was 0.69. Thus, the contact angle of a seta was 124.8°.

原文	English
頁（從 - 到）	1526-1528
頁數	3
期刊	Langmuir
卷	25
發行號	3
DOIs	https://doi.org/10.1021/la803223r
出版狀態	Published - 2009 2月 3

All Science Journal Classification (ASJC) codes

材料科學(全部)
凝聚態物理學
表面和介面
光譜
電化學

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10.1021/la803223r

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引用此

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N2 - This study investigated the adhesion (pull-off) force and contact angles of a water strider's leg. During hydrostatic experiments, the adhesion force was found to be 2 dyn. The image of a cross section of a live leg contacted with a deformed water surface provided the contact angle of 168.8°. A numerical scheme was proposed to determine the water surface on a groove wall of a seta. The results showed that the asperities of a seta are almost wetted, and the fraction of the wetted projection area was 0.69. Thus, the contact angle of a seta was 124.8°.

AB - This study investigated the adhesion (pull-off) force and contact angles of a water strider's leg. During hydrostatic experiments, the adhesion force was found to be 2 dyn. The image of a cross section of a live leg contacted with a deformed water surface provided the contact angle of 168.8°. A numerical scheme was proposed to determine the water surface on a groove wall of a seta. The results showed that the asperities of a seta are almost wetted, and the fraction of the wetted projection area was 0.69. Thus, the contact angle of a seta was 124.8°.

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Adhesion forces and contact angles of water strider legs

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