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Journal of Applied Fluid Mechanics، جلد ۷، شماره ۲، صفحات ۲۰۹-۲۱۶
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عنوان انگلیسی Viscous Potential Flow Analysis of Electrohydrodynamic Rayleigh-Taylor Instability
چکیده انگلیسی مقاله A linear analysis of Rayleigh-Taylor instability in the presence of tangential electric field has been carried out using viscous potential flow theory. In viscous potential flow theory, viscosity is not zero but viscous term in the Navier- Stokes equation is zero as vorticity is zero. Viscosity enters through normal stress balance and tangential stresses are not considered in viscous flow theory. A dispersion relation has been obtained and stability criterion has been given in the terms of critical value of electric field. It has been observed that tangential electric field influences stability of the system. A comparison between the results obtained by viscous potential analysis and inviscid potential flow has been made and found that viscosity reduces the growth of instability.
کلیدواژه‌های انگلیسی مقاله Rayleigh, Taylor instability, viscous potential flow, Electric field, Interfacial flows, viscous stresses
نویسندگان مقاله M. K. Awasthi |
School of Mechanical Engineering, Yonsei University, Seoul 120 749, South Korea

D. Yadav |
Department of Mathematics, University of Petroleum and Energy Studies, dehradun-248007, India

G. S. Agrawal |
Institute of Computer Application, Manglayatan University, Aligarh, 202145, India

نشانی اینترنتی https://www.jafmonline.net/article_1437_951d90728923547451aad6253fa359c7.pdf
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