期刊
ADVANCES IN COLLOID AND INTERFACE SCIENCE
卷 168, 期 1-2, 页码 40-49出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cis.2011.02.011
关键词
Disjoining pressure; Capillarity; Liquid-vapor-solid contact line; Kelvin-Clapeyron model; Evaporating meniscus; Constrained vapor bubble
资金
- National Aeronautics and Space Administration [NNC05GA27G, NNX09AL98G]
Using the disjoining pressure concept in a seminal paper, Derjaguin, Nerpin and Churaev demonstrated that isothermal liquid flow in a very thin film on the walls of a capillary tube enhances the rate of evaporation of moisture by several times. The objective of this review is to present the evolution of the use of Churaev's seminal research in the development of the Constrained Vapor Bubble (CVB) heat transfer system. In this non-isothermal wickless heat pipe, liquid and vapor flow results from gradients in the intermolecular force field, which depend on the disjoining pressure, capillarity and temperature. A Kelvin-Clapeyron model allowed the use of the disjoining pressure to be expanded to describe non-isothermal heat, mass and momentum transport processes. The intermolecular force field described by the convenient disjoining pressure model is the boundary condition for suction and stability at the leading edge of the evaporating curved flow field. As demonstrated by the non-isothermal results, applications that depend on the characteristics of the evaporating meniscus are legion. (C) 2011 Elsevier B.V. All rights reserved.
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