期刊
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
卷 126, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.icheatmasstransfer.2021.105395
关键词
Second-grade fluid; Oscillatory Taylor-Couette flow; Magnetohynamic; Cylindrical porous medium; Thermal radiation; Convective heating
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2017R1A2B2006927]
- National Research Foundation of Korea [2017R1A2B2006927] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Neglect of further analysis of the Taylor-Couette flow problem is seen to be due to difficulties in research methodology for studying transport phenomena. The efficiency of the GearGeneralized Differential Quadrature Method (GGDQM) in analyzing the flow of second-grade fluid through a porous medium subject to Lorentz force was investigated. The study found that the elasticity of the fluid medium enhances the dynamical and thermal features, while the porosity characteristics and strength of the magnetic field exhibit a reverse trend in velocity and temperature distributions.
Neglet of further analysis of Taylor-Couette flow problem is associated to the difficulty in research methodology for the examination of such transport phenomenon. However, little is known on the efficiency of GearGeneralized Differential Quadrature Method (GGDQM) and thermal analysis across Taylor-Couette flow of second-grade fluid through Darcy-Forchheimer porous cylindrical medium subject to Lorentz force. The aforementioned research methodology was used to explore oscillatory magnetohydrodynamic (MHD) convective laminar flow of a second-grade fluid. The governing equations for the proposed fluid flow model are derived and simplified with the aid of suitable transformations in order to obtain nonlinear dimensionless set of partial differential equations (PDEs). The numerical solution of the corresponding problem was obtained using GearGeneralized Differential Quadrature Method to provide appropriate graphical and tabular results in terms of velocity and temperature profiles, as well as the skin friction coefficient and Nusselet number on the surface of the inner cylinder. It is worth concluding that the elasticity of the fluidic medium has an enhancing influence on the dynamical and thermal features of the dynamics. However, the porosity characteristics of the medium together with the strength of the applied magnetic field exhibit a revere trend towards the velocity and temperature distributions.
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