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A capillary force model for interactions between two spheres
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DOI：10.1016/j.partic.2010.11.004.png)
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Based on the method of energy principle, an analytical approach for computing the capillary force for sphere/sphere geometry is presented in this paper. In modeling the capillary force, we consider spheres with both equal and non-equal radii, for both symmetric and asymmetric configurations at liquid/solid interfaces. We use numerical analysis to investigate the validity and efficiency of the derived model. The effect of various parameters including humidity, distance between two spheres, radii of spheres and contact angles on the meniscus force are investigated. Finally the results obtained from the model are compared with experimental measurements, and the accuracy and precision of the presented approach is verified. (C) 2011 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
Keyword:
Interaction
Capillary force
Humidity
Energy methods
Sphere particle
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4.3
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2.7K
被引数:
6.1K
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Theoretical investigation of the distance dependence of capillary and van der Waals forces in scanning force microscopy.png)
PHYSICAL REVIEW B
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