Entropy generation analysis of natural convective chemically reacting squeezing flow of Casson fluid between parallel disks with Hall and Ion slip currents

被引:4
作者
Ramesh, Kesetti [1 ]
Ojjela, Odelu [1 ]
机构
[1] Def Inst Adv Technol Deemed Univ, Dept Appl Math, Pune 411025, Maharashtra, India
来源
HEAT TRANSFER-ASIAN RESEARCH | 2019年 / 48卷 / 08期
关键词
chemical reaction; entropy generation; free convection; Hall and Ion slip effects; NONLINEAR THERMAL-RADIATION; STAGNATION-POINT FLOW; HEAT-TRANSFER; MIXED CONVECTION; NANOFLUID FLOW; MHD FLOW; PHYSICAL ASPECTS; VERTICAL PLATE; MASS-TRANSFER; POROUS-MEDIUM;
D O I
10.1002/htj.21594
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper concerns the second law analysis of free convective squeezing flow of a chemically reacting Casson fluid confined between two parallel disks with Hall and Ion slip effects. The upper one is impermeable and the lower disk is porous. The linear momentum, energy balance and mass partial differential equations converted as system of ODEs by similarity transformations and tackled with shooting method via fourth order Runge-Kutta scheme. The impact of various dimensionless geometric and fluid parameters on the velocity fields, temperature and concentration fields, entropy generation and Bejan numbers are studied and presented in the form of pictorially. The present results are correlated with already published outcomes for viscous case and found to be good agreement. The Bejan number of the fluid enhances with Ion slip parameter, whereas the concentration profile of the fluid is decreases with increasing of the Casson fluid parameter. The entropy generation of the fluid is enhanced with Eckert number whereas the Bejan number is decreased with suction/blowing parameter
引用
收藏
页码:4320 / 4341
页数:22
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