Reiner-Rivlin nanomaterial heat transfer over a rotating disk with distinct heat source and multiple slip effects  

作　　者：A.S.SABU J.MACKOLIL B.MAHANTHESH A.MATHEW 

机构地区：[1]Department of Mathematics,St.Thomas College(Autonomous),Thrissur 680001,Kerala,India [2]Center for Mathematical Needs,Department of Mathematics,CHRIST(Deemed to be University),Bengaluru 560029,Karnataka,India

出　　处：《Applied Mathematics and Mechanics(English Edition)》2021年第10期1495-1510,共16页应用数学和力学（英文版）

摘　　要：The thermodynamic features of the Reiner-Rivlin nanoliquid flow induced by a spinning disk are analyzed numerically.The non-homogeneous two-phase nanofluid model is considered to analyze the effect of nanoparticles on the thermodynamics of the Reiner-Rivlin nanomaterial,which also includes a temperature-dependent heat source(THS)and an exponential space-dependent heat source(ESHS).Further,the transfer of heat and mass is analyzed with velocity slip,volume fraction jump,and temperature jump boundary conditions.The finite difference method-based routine is used to solve the complicated differential equations formed after using the von-Karman similarity technique.Limiting cases of the present problem are found to be in good agreement with benchmarking studies.The relationship of the pertinent parameters with the heat and mass transport is scrutinized using correlation,which is further evaluated based on the probable error estimates.Multivariable models are fitted for the friction factor at the disk and heat transport,which accurately predict the dependent variables.The Reiner-Rivlin nanoliquid temperature is influenced comparatively more by the ESHS than by THS.The Nusselt number is decreased by the ESHS and THS,whereas the friction factor at the disk is predominantly decremented by the wall roughness aspect.The increment in the non-Newtonian characteristic of the liquid leads more fluid to drain away in the radial direction far from the disk compared with the fluid nearby the disk in the presence of the centrifugal force during rotation.The increased thermal and volume fraction slip lowers the nanoliquid temperature and nanoparticle volume fraction profiles.

关 键 词：rotating surface Reiner-Rivlin fluid NANOMATERIAL exponential space-based heat source multiple slip effect regression analysis 

分 类 号：TB383.1[一般工业技术—材料科学与工程] O552[理学—热学与物质分子运动论]