Numerical Study of Temperature-Dependent Viscosity and Thermal Conductivity of Micropolar Ag–MgO Hybrid Nanofluid over a Rotating Vertical Cone  

作　　者：Mekonnen S.Ayano Thokozani N.Khumalo Stephen T.Sikwila Stanford Shateyi 

机构地区：[1]Department of Mathematics,University of Eswatini,Kwaluseni,M201,Eswatini [2]Department of Mathematical Sciences,Sol Plaatje University,Kimberley,8301,South Africa [3]Department of Mathematical and Computational Sciences,University of Venda,Thohoyandou,0950,South Africa

出　　处：《Frontiers in Heat and Mass Transfer》2024年第4期1153-1169,共17页热量和质量传递前沿（英文）

摘　　要：The present paper examines the temperature-dependent viscosity and thermal conductivity of a micropolar silver(Ag)−Magnesium oxide(MgO)hybrid nanofluid made of silver and magnesium oxide over a rotating vertical cone,with the influence of transverse magnetic field and thermal radiation.The physical flow problem has been modeled with coupled partial differential equations.We apply similarity transformations to the nondimensionalized equations,and the resulting nonlinear differential equations are solved using overlapping grid multidomain spectral quasilinearization method.The flow behavior for the fluid is scrutinized under the impact of diverse physical constraints,which are illustrated graphically.The results of the skin friction coefficient and Nusselt number varying different flow parameters are presented in the form of a table.It is observed that the main flow of the hybrid nanofluid,nano particle fraction of silver and Magnesium/water,enhances compared to the mono-nano fluid MgO as the coupling number increases.The application of studies like this can be found in the atomization process of liquids such as centrifugal pumps,viscometers,rotors,fans.

关 键 词：Micropolar fluid hybrid nanofluid radiation magnetohydrodynamic rotating cone overlapping grid spectral quasilinearization 

分 类 号：O35[理学—流体力学]