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Fast forced liquid film spreading on a substrate: flow, heat transfer and phase transition

Published online by Cambridge University Press:  21 May 2010

ILIA V. ROISMAN
ILIA V. ROISMAN*
Affiliation:
Technische Universität Darmstadt, Chair of Fluid Mechanics and Aerodynamics, Center of Smart Interfaces, Petersenstrasse 30, 64287 Darmstadt, Germany
*
†Email address for correspondence: roisman@sla.tu-darmstadt.de
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Abstract

This theoretical study is devoted to description of fluid flow and heat transfer in a spreading viscous drop with phase transition. A similarity solution for the combined full Navier–Stokes equations and energy equation for the expanding lamella generated by drop impact is obtained for a general case of oblique drop impact with high Weber and Reynolds numbers. The theory is applicable to the analysis of the phenomena of drop solidification, target melting and film boiling. The theoretical predictions for the contact temperature at the substrate surface agree well with the existing experimental data.

Type
Papers
Information
Journal of Fluid Mechanics , Volume 656 , 10 August 2010 , pp. 189 - 204
Copyright
Copyright © Cambridge University Press 2010

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