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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Modelling of heat transfer in a laminar liquid film formed by impinging jet

Jaroslaw Mikielewicz
Institute of Fluid-Flow Machinery, Polish Academy of Science, 80-952 Gdansk, ul. Fiszera 14, Poland

Dariusz Mikielewicz
Gdansk University of Technology, Faculty of Mechanical Engineering, 80-233 Gdansk, ul. Narutowicza 11/12, Poland

DOI: 10.1615/IHTC12.3040
6 pages

Abstract

Presented model provides approximate solutions for the case of a laminar film flow on a flat plate. The solutions are obtained using a so called 'thin layer' theory, which does not consider the transverse velocity in the film. In the model considered is a change of film thickness due to inertia forces and friction. The model consists of conservation equations of mass, momentum and energy. For such case the Nusselt numbers have been determined. Analytical solution to the problem has been obtained.

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