全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:M. F. El-Sayed , M. H. Haroun , D. R. Mostapha
来源:[J].Journal of Applied Mechanics and Technical Physics(IF 0.253), 2014, Vol.55 (4), pp.565-577Springer
摘要:Abstract(#br)This paper discusses the effects of a vertical a.c. electric field and heat transfer on a peristaltic flow of an incompressible dielectric viscoelastic fluid in a symmetric flexible channel. The mathematical modeling includes interactions among the electric field, fl...
作者:D. K. Callebaut , M. F. El-Sayed
来源:[J].Astrophysics and Space Science(IF 2.064), 1994, Vol.222 (1-2), pp.237-240Springer
摘要:Abstract(#br)In studying the nonlinear electrohydrodynamic stability of solitary wave packets of capillary-gravity waves, in (2+1) dimensions, for dielectric fluids, we found that the complex amplitude of the surface elevation can be described by a nonlinear Schrödinger equa...
作者:M. F. El-Sayed , N. T. Eldabe ...
来源:[J].The European Physical Journal Plus(IF 1.302), 2012, Vol.127 (3), pp.1-17Springer
摘要:Abstract(#br)The nonlinear electrohydrodynamic Kelvin-Helmholtz instability of two superposed semi-infinite Rivlin-Ericksen viscoelastic dielectric fluids streaming through porous media in the presence of suspended particles is investigated in three dimensions. The method of...
作者:M. F. El-Sayed , G. M. Moatimid , T. M. N. Metwaly
来源:[J].Chemical Engineering Communications(IF 1.052), 2010, Vol.197 (5), pp.656-683Taylor & Francis
摘要:A weakly nonlinear theory of wave propagation in two superposed dielectric fluids streaming through porous media in the presence of vertical electric field and in the absence of surface charges at their interface is investigated in three dimensions. The method of multiple scales ...
作者:M. F. El-Sayed
来源:[J].Archive of Applied Mechanics(IF 1.035), 2008, Vol.78 (3), pp.211-224Springer
摘要:Abstract(#br)The problem of the onset of electrohydrodynamic instability in a horizontal layer of Oldroydian viscoelastic dielectric liquid through Brinkman porous medium under the simultaneous action of a certical ac electric field and a vertical temperature gradient is analyzed...
作者:M. F. El-Sayed
来源:[J].Archive of Applied Mechanics(IF 1.035), 2001, Vol.71 (11), pp.717-732Springer
摘要:Summary(#br) The electrohydrodynamic Kelvin–Helmholtz instability of the interface between two uniform superposed viscoelastic (B´ model) dielectric fluids streaming through a porous medium is investigated. The considered system is influenced by applied electric fields actin...
作者:M. F. El-Sayed
来源:[J].Archive of Applied Mechanics(IF 1.035), 2008, Vol.78 (9), pp.663-685Springer
摘要:Abstract(#br)The nonlinear modulation of the interfacial waves of two superposed dielectric fluids with uniform depths and rigid horizontal boundaries, under the influence of constant normal electric fields and uniform horizontal velocities, is investigated using the multipl...
作者:M. F. El-Sayed
来源:[J].The European Physical Journal E(IF 1.824), 2005, Vol.15 (4), pp.443-455Springer
摘要:Abstract.(#br)A linear electrohydrodynamic instability analysis is presented for an inviscid dielectric liquid sheet emanated into an inviscid dielectric gas medium in the presence of a horizontal electric field. The influence of Weber number, gas-to-liquid density ratio, and the...
作者:M. F. El-Sayed
来源:[J].Archive of Applied Mechanics(IF 1.035), 2009, Vol.79 (1), pp.19-39Springer
摘要:Abstract(#br)In this paper, we consider the instability of the interface between two superposed streaming conducting and dielectric fluids of finite depths through porous medium in a vertical electric field varying periodically with time. A damped Mathieu equation with compl...
作者:M. F. El-Sayed
来源:[J].The European Physical Journal B(IF 1.282), 2003, Vol.37 (2), pp.241-255Springer
摘要:Abstract.(#br)A weakly nonlinear theory of wave propagation in two superposed dielectric fluids in the presence of a horizontal electric field is investigated using the multiple scales method in (2 + 1)-dimensions. The equation governing the evolution of the amplitude of the...

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