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Heat Transfer Research

ISSN for PRINT: 1064-2285

Institutional price:	$2485.00
Issues per year:	8

Best Paper Award Selection - Editorial Board Site

2008, Volume39

90 pages

DOI: 10.1615/HeatTransRes.v39.i4

Issue price - $372.00

Droplet Heating and Evaporation: Hydrodynamic and Kinetic Models

Sergei S. Sazhin
Sir Harry Ricardo Laboratories, Internal Combustion Engines Group, School of Environment and Technology, Faculty of Science and Engineering, The University of Brighton, Cockcroft Building, Brighton BN2 4GJ, UK

Irina N. Shishkova
Low Temperature Departments, Centre of High Technologies, Moscow Power Engineering Institute, Krasnokazarmennaya, 14, Moscow 111250, Russia

T. Kristyadi
Sir Harry Ricardo Laboratories, Internal Combustion Engines Group, Faculty of Science and Engineering, The University of Brighton, UK

Sergey Martynov
3 Ultrasonics Group, Mechanical Engineering Department, UCL, Torrington Place, London, WC1E 7JE, UK

Morgan R. Heikal
School of Environment and Technology, Faculty of Science and Engineering, The University of Brighton, Cockcroft Building, Lewes Road, Brighton BN2 4GJ, United Kingdom

ABSTRACT

Recently developed approaches to the hydrodynamic modeling of liquid droplet heating and evaporation by convection and radiation from a surrounding hot gas are reviewed. The relatively small contribution of thermal radiation to droplet heating allows us to describe it using a simplified model, which does not consider the variation of radiation absorption inside the droplets. In the case of stationary droplets, a coupled solution of the heat conduction equation for gas and liquid phases is described. A kinetic model for droplet evaporation into a high-pressure background gas, approximated by air, is described. Two regions above the surface of the evaporating droplet are considered. These are the kinetic and hydrodynamic regions.