Nano Archive

Linear instability in a thin viscoelastic liquid film on an inclined, non-uniformly heated wall

Usha , R. and Sadiq, I. M. R. (2005) Linear instability in a thin viscoelastic liquid film on an inclined, non-uniformly heated wall. International Journal of Engineering Science, 43 (19-20). pp. 1435-1449. ISSN 0020-7225

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Abstract

Linear instability analysis of a thin layer of viscoelastic fluid flowing down a non-uniformly heated inclined plane is considered. The study is based on the assumption of constant temperature gradient (positive or negative) along the plane. The film flow system is influenced by gravity, mean surface tension, thermocapillary forces acting along the free surface and viscoelastic forces. The role of these forces is investigated by seeking a solution of the stability problem in a series in small wave number. The results show that the critical Reynolds number is influenced by the Reynolds number, the ratio of Marangoni number to Prandtl number, the Biot number, the viscoelastic parameter and the angle of inclination.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:6508
Deposited By:JNCASR
Deposited On:13 Aug 2009 08:00
Last Modified:13 Aug 2009 08:00

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