Intermolecular forces in phase-change heat transfer: 1998 Kern award review

The variation of long‐range intermolecular forces near interfaces profoundly affects the performance of change‐of‐phase heat exchangers. Starting with the fundamental electromagnetic force between molecules (dielectric properties), the effects of shape (Kelvin effect), temperature (Clapeyron effect)...

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Bibliographic Details
Published in:AIChE journal 1999-10, Vol.45 (10), p.2055-2068
Main Author: Wayner Jr, Peter C.
Format: Article
Language:English
Subjects:
Applied sciences
Devices using thermal energy
Energy
ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
Energy. Thermal use of fuels
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat exchangers (included heat transformers, condensers, cooling towers)
Heat flow in porous media
HEAT TRANSFER
Heat transfer in inhomogeneous media, in porous media, and through interfaces
INTERMOLECULAR FORCES
PHASE STUDIES
Physics
SHAPE
TEMPERATURE DEPENDENCE
THIN FILMS
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Summary:The variation of long‐range intermolecular forces near interfaces profoundly affects the performance of change‐of‐phase heat exchangers. Starting with the fundamental electromagnetic force between molecules (dielectric properties), the effects of shape (Kelvin effect), temperature (Clapeyron effect) and concentration on the heat‐transfer characteristics of thin films and larger systems are reviewed and connected. A judicious selection of literature gives a consistent set of models of particular use in heat transfer. Examples of experimental verification of these interfacial models in this rapidly developing field are also presented.
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.690451004