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对于第一类液滴(尺度远大于界面层的厚度),无论是远离固体壁面的液体球或附着在壁面上的球冠,其内外压力差(简称"附加压力")均适用经典Laplace公式,并且特别对球冠情况给出了一种新的整体性证明.还澄清有关争论:指出[曹治党、郭愚1999物理学报481823]一文对附壁面第一类液体球冠所推导出的附加压力与接触角有关的公式是错误的,而[闵敬春2002物理学报512730]是正确的.
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关键词:
- Laplace 公式 /
- 附加压力 /
- 液滴 /
- 自由能
For a liquid drop of first kind (with the size much bigger than the interface thickness), whether on or far away from a solid surface, it is proved that the classical Laplace equation is valid and the related arguments are clarified. The formula of additional pressure for the liquid drop of the first kind dependent on contact angle, given in Ref. 48 1823] is wrong, the comment of Ref. is correct.-
Keywords:
- Laplace formula /
- additional pressure /
- liquid drop /
- free energy
[1] Cao Z J, Guo Y 1999 Acta Phys.Sin.48 1823 (in Chinese)[曹治觉、郭 愚1999物理学报48 1823]
[2] Min J C 2002 Acta Phys.Sin.51 2730 (in Chinese) [闵敬春2002物理学报51 2730]
[3] Cao Z J 2004 Acta Phys.Sin.53 1321 (in Chinese)[曹治觉、郭 愚2004 物理学报53 1321]
[4] Adamson A W, Xi G K 1984 Physical Chemistry of Surfaces(Beijing: Science Press) p352 (in Chinese)
[5] Cao Z J 2002 Acta Phys.Sin.515125 (in Chinese)[曹治觉 2002 物理学报 515125]
[6] Cao Z J, Guo Y 2002 J. Engng. Therm. 23 6 (in Chinese)[曹治觉、郭 愚 2002 工程热物理学报 23 6]
[7] Cao Z J, Xia B L, Guo Y 2003 Acta Phys.Sin.52 2427 (in Chinese)[曹治觉、夏伯丽、张 云 2003 物理学报52 2427]
[8] Rowlinson J S, Widom B 1982Molecular Theory of Capillary (Oxford: Clarendon Press).
[9] Cui S W, Zhu R Z, Yan H 2009 J. Bas. Sci. Engng. 17 622 (in Chinese) [崔树稳、朱如曾、闫 红 2009 应用基础与工程科学学报 17 622]
[10] Bartell J L S2001 J. Phys. Chem. B 105 11615
[11] Ucazenko B 1987 Thermal Transmission(Beijing: High EducationPress) p367 (in Chinese)
[12] Wang X D, Peng X F, Min J C,Liu T, Wang B X 2002 J. Engng. Therm. 23 67 (in Chinese) [王晓东、彭晓峰、闵敬春 2002 工程热物理学报 23 67]
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[1] Cao Z J, Guo Y 1999 Acta Phys.Sin.48 1823 (in Chinese)[曹治觉、郭 愚1999物理学报48 1823]
[2] Min J C 2002 Acta Phys.Sin.51 2730 (in Chinese) [闵敬春2002物理学报51 2730]
[3] Cao Z J 2004 Acta Phys.Sin.53 1321 (in Chinese)[曹治觉、郭 愚2004 物理学报53 1321]
[4] Adamson A W, Xi G K 1984 Physical Chemistry of Surfaces(Beijing: Science Press) p352 (in Chinese)
[5] Cao Z J 2002 Acta Phys.Sin.515125 (in Chinese)[曹治觉 2002 物理学报 515125]
[6] Cao Z J, Guo Y 2002 J. Engng. Therm. 23 6 (in Chinese)[曹治觉、郭 愚 2002 工程热物理学报 23 6]
[7] Cao Z J, Xia B L, Guo Y 2003 Acta Phys.Sin.52 2427 (in Chinese)[曹治觉、夏伯丽、张 云 2003 物理学报52 2427]
[8] Rowlinson J S, Widom B 1982Molecular Theory of Capillary (Oxford: Clarendon Press).
[9] Cui S W, Zhu R Z, Yan H 2009 J. Bas. Sci. Engng. 17 622 (in Chinese) [崔树稳、朱如曾、闫 红 2009 应用基础与工程科学学报 17 622]
[10] Bartell J L S2001 J. Phys. Chem. B 105 11615
[11] Ucazenko B 1987 Thermal Transmission(Beijing: High EducationPress) p367 (in Chinese)
[12] Wang X D, Peng X F, Min J C,Liu T, Wang B X 2002 J. Engng. Therm. 23 67 (in Chinese) [王晓东、彭晓峰、闵敬春 2002 工程热物理学报 23 67]
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