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TECHNICAL BRIEFS

On Laminar Thin-Film Flow Along a Vertical Wall

[+] Author and Article Information
T. R. Roy

Department of Mechanical Engineering, Institute of Technology, Banaras Hindu University, Varanasi-221 005, India

J. Appl. Mech 51(3), 691-692 (Sep 01, 1984) (2 pages) doi:10.1115/1.3167695 History: Received May 01, 1983; Revised December 01, 1983; Online July 21, 2009

Abstract

An accelerating laminar thin-film flow along a vertical wall is investigated in this paper. Using a cubic polynomial for the velocity profile inside the boundary layer the momentum integral equation is solved by a Runge-Kutta method to determine the boundary layer thickness. The corresponding film-thickness is then calculated for the entrance region. These results are compared with the existing results obtained by using a parabolic velocity profile.

Copyright © 1984 by ASME
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