SIMILARITY TRANSFORMATIONS OF HEAT AND MASS TRANSFER EFFECTS ON STEADY MHD FREE CONVECTION DISSIPATIVE FLUID FLOW PAST AN INCLINED POROUS SURFACE WITH CHEMICAL REACTION

IF 1.2 Q3 ENGINEERING, MARINE

Journal of Naval Architecture and Marine Engineering Pub Date : 2014-12-24 DOI:10.3329/JNAME.V11I2.18313

Venkata Ramana Reddy Gurrampati, S. Ibrahim, V. Bhagavan

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引用次数: 13

Abstract

This paper concerns with a steady two-dimensional flow of an electrically conducting incompressible dissipating fluid over an inclined semi-infinite porous surface with heat and mass transfer in presence of chemical reaction. The flow is permeated by a uniform transverse magnetic field. A scaling group of transformations is applied to the governing equations. The system remains invariant due to some relations among the parameters of the transformations. After finding three absolute invariants, a third-order ordinary differential equation corresponding to the momentum equation, and two second-order ordinary differential equations corresponding to energy and diffusion equations are derived. The coupled ordinary differential equations along with the boundary conditions are solved numerically. The effects of various parameters on velocity, temperature and concentration fields as well as skin-friction, Nusselt number and Sherwood number are presented graphically and in tabulated form. DOI: http://dx.doi.org/10.3329/jname.v11i2.18313

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稳态MHD自由对流耗散流体通过倾斜多孔表面时传热传质的相似变换与化学反应

本文研究了导电不可压缩耗散流体在倾斜半无限多孔表面上的稳态二维流动，并考虑了化学反应的传热传质。流体被均匀的横向磁场渗透。对控制方程应用变换的标度群。由于变换参数之间的关系，系统保持不变。在求出三个绝对不变量后，推导出对应动量方程的一个三阶常微分方程，对应能量方程和扩散方程的两个二阶常微分方程。用数值方法求解了带边界条件的耦合常微分方程。以图表形式给出了各参数对速度场、温度场、浓度场、摩擦场、努塞尔数和舍伍德数的影响。DOI: http://dx.doi.org/10.3329/jname.v11i2.18313

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来源期刊

Journal of Naval Architecture and Marine Engineering ENGINEERING, MARINE-

CiteScore

2.50

自引率

5.60%

发文量

审稿时长

20 weeks

期刊介绍： TJPRC: Journal of Naval Architecture and Marine Engineering (JNAME) is a peer reviewed journal and it provides a forum for engineers and scientists from a wide range of disciplines to present and discuss various phenomena in the utilization and preservation of ocean environment. Without being limited by the traditional categorization, it is encouraged to present advanced technology development and scientific research, as long as they are aimed for more and better human engagement with ocean environment. Topics include, but not limited to: marine hydrodynamics; structural mechanics; marine propulsion system; design methodology & practice; production technology; system dynamics & control; marine equipment technology; materials science; under-water acoustics; satellite observations; and information technology related to ship and marine systems; ocean energy systems; marine environmental engineering; maritime safety engineering; polar & arctic engineering; coastal & port engineering; aqua-cultural engineering; sub-sea engineering; and specialized water-craft engineering. International Journal of Naval Architecture and Ocean Engineering is published quarterly by the Society of Naval Architects of Korea. In addition to original, full-length, refereed papers, review articles by leading authorities and articulated technical discussions of highly technical interest are also published.