Effect of surfactant on the stability of film flow down an inclined plane

Blyth, M.G. and Pozrikidis, C. (2004) Effect of surfactant on the stability of film flow down an inclined plane. Journal of Fluid Mechanics, 521. pp. 241-250. ISSN 0022-1120

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Abstract

The effect of an insoluble surfactant on the stability of the gravity-driven flow of a liquid film down an inclined plane is investigated by a normal-mode analysis. Numerical solutions of the Orr–Sommerfeld equation reveal the occurrence of a stable Marangoni mode and a possibly unstable Yih mode, and demonstrate that the primary role of the surfactant is effectively to raise the critical Reynolds number at which instability is first encountered.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Mathematics (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Fluid and Solid Mechanics (former - to 2024) Faculty of Science > Research Groups > Fluids & Structures
Depositing User:	Vishal Gautam
Date Deposited:	18 Mar 2011 10:11
Last Modified:	13 Oct 2025 19:32
URI:	https://ueaeprints.uea.ac.uk/id/eprint/19804
DOI:	10.1017/S0022112004001909

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