Results 311 to 320 of about 4,899,731 (375)
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Contact angle equilibrium: the intrinsic contact angle
Journal of Adhesion Science and Technology, 1992The conceptual and mathematical difficulties associated with contact angle equilibrium are reviewed and analyzed. The main discussion is centered around the theory of the intrinsic contact angle and its dependence on the three-phase mutual interactions in the vicinity of the contact line.
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Journal of Colloid and Interface Science, 1967
Abstract An apparatus and procedure is described for growing a bubble of one fluid with constant radial velocity between parallel solid plates, so displacing a second fluid. The process can be reversed, so that both advancing and receding angles can be studied as a function of the interfacial velocity.
G.E.P Elliott, A.C Riddiford
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Abstract An apparatus and procedure is described for growing a bubble of one fluid with constant radial velocity between parallel solid plates, so displacing a second fluid. The process can be reversed, so that both advancing and receding angles can be studied as a function of the interfacial velocity.
G.E.P Elliott, A.C Riddiford
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Journal of Colloid and Interface Science, 1970
Abstract Receding as well as advancing water contact angles have been measured on glass surfaces treated with dichlorodimethysilane and with chlorotrimethysilane. The experimental data support the theory of contact-angle hysteresis on heterogeneous surfaces as proposed by Dettre and Johnson.
Theodore Vermeulen +2 more
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Abstract Receding as well as advancing water contact angles have been measured on glass surfaces treated with dichlorodimethysilane and with chlorotrimethysilane. The experimental data support the theory of contact-angle hysteresis on heterogeneous surfaces as proposed by Dettre and Johnson.
Theodore Vermeulen +2 more
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AIChE Journal, 1982
AbstractThe dynamic contact angles of various liquids on a gelatinâsubbed polyester tape were investigated by plunging a tape into a pool of liquid, in the manner of Perry and of Burley and Kennedy. The effect of the upper fluid was studied by replacing the air normally present by immiscible oils.
Edgar B. Gutoff, C. E. Kendrick
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AbstractThe dynamic contact angles of various liquids on a gelatinâsubbed polyester tape were investigated by plunging a tape into a pool of liquid, in the manner of Perry and of Burley and Kennedy. The effect of the upper fluid was studied by replacing the air normally present by immiscible oils.
Edgar B. Gutoff, C. E. Kendrick
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The contact angle in capillarity
Physics of Fluids, 2006In 1805, Thomas Young gave a reasoning to support the view that the contact angle at a solid/liquid/gas interface is a physical constant depending only on the materials, and in no other way on the particular configuration considered. That conclusion has become one of the underpinnings of both classical and modern capillarity theory.
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Contact Angles on Spherical Surfaces
Langmuir, 2008In this paper, we explore the influence of curved surfaces on contact angles. Small liquid drops were deposited at the apex of spheres. Liquid was added to advance the contact line (or withdrawn to cause recession). As drop volume increased, the contact line advanced outward and downward.
Sung In Moon, Charles W. Extrand
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Proceedings of the Indian Academy of Sciences - Section A, 1938
A theory of contact angles has been developed. The phenomena at the interface between a solid and a liquid have been discussed on the basis of this theory.
K. S. Gururaja Doss +3 more
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A theory of contact angles has been developed. The phenomena at the interface between a solid and a liquid have been discussed on the basis of this theory.
K. S. Gururaja Doss +3 more
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Pressure Dependence of the Contact Angle
The Journal of Physical Chemistry B, 2007When a liquid and its vapor contact a smooth, homogeneous surface, Gibbsian thermodynamics indicates that the contact angle depends on the pressure at the three-phase line of an isothermal system. When a recently proposed adsorption isotherm for a solid-vapor interface is combined with the equilibrium conditions and the system is assumed to be in a ...
C. A. Ward, Jiyu Wu, Tanvir Farouk
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Wettability and Contact Angles
1984In everyday life one encounters many different systems where it is apparent that various processes take place at the line of contact between a liquid phase and a solid phase. The molecules in the liquid phase can move larger distances than those in the solid phase.
D. K. Chattoraj, K. S. Birdi
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The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, 1943
Abstract The theory of a capillary tube method for the determination of a contact angle between a liquid and a solid is considered in detail, and the results of observations on the receding angles made by six different liquids on six different metals and by a number of liquids on glass are reported.
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Abstract The theory of a capillary tube method for the determination of a contact angle between a liquid and a solid is considered in detail, and the results of observations on the receding angles made by six different liquids on six different metals and by a number of liquids on glass are reported.
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