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RESEARCH PAPERS

Laminar Wavy-Film Flow: Part I, Hydrodynamic Analysis

[+] Author and Article Information
R. I. Hirshburg

E. I. duPont de Nemours, Photo Products Department, Brevard, N. C.

L. W. Florschuetz

Department of Mechanical Engineering, Arizona State University, Tempe, Ariz. 85287

J. Heat Transfer 104(3), 452-458 (Aug 01, 1982) (7 pages) doi:10.1115/1.3245114 History: Received May 15, 1981; Online October 20, 2009

Abstract

The hydrodynamic characteristics of thin, laminar, gravity-driven, wavy-film flow are considered. A theoretical model is developed to predict the hydrodynamic features of asymptotic, wavy-flow states. The mathematical closure question arising in asymptotic-state analyses is resolved by incorporating the results of a prior stability analysis of smooth-film flow. Calculated values for mean film thickness, trough-to-crest dimension, wave celerity, and wavelength are found to be consistent with published experimental data for these quantities.

Copyright © 1982 by ASME
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