Physical importance of entropy generation in fluid flow (Williamson) with nonlinear radiative heat flux

被引：16

作者：

Khan, Niaz B. ^{[1
]}

Khan, M. Imran ^{[2
]}

Khan, Waqar Azeem ^{[3
]}

Nayak, M. K. ^{[4
]}

机构：

[1] Natl Univ Sci & Technol, Sch Mech & Mfg Engn, Islamabad, Pakistan

[2] Heriot Watt Univ, Edinburgh Campus, Edinburgh EH14 4AS, Midlothian, Scotland

[3] Beijing Inst Technol, Sch Math & Stat, Beijing 100081, Peoples R China

[4] IHSE, Dept Phys, Bhubaneswar 751003, Odisha, India

来源：

INDIAN JOURNAL OF PHYSICS | 2021年 / 95卷 / 04期

关键词：

Williamson fluid; Nonlinear thermal radiation; MHD; Viscous dissipation; Entropy generation; 47; 50; Gj; 55; P; 44; 05; +e; MIXED CONVECTION FLOW; VISCOUS DISSIPATION; NUMERICAL-SIMULATION; STATISTICAL DECLARATION; NATURAL-CONVECTION; THERMAL-RADIATION; STRETCHING SHEET; NANOFLUID FLOW; MAGNETIC-FIELD; PROBABLE-ERROR;

D O I：

10.1007/s12648-020-01728-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The present analysis deals with two-dimensional magneto-Williamson liquid bounded by a stretching surface. Impacts of viscous dissipation, heat generation/absorption and nonlinear thermal radiation are also considered. Entropy generation minimization in flow of Williamson fluid is discussed. Convergent solutions of resulting problems are obtained. Nusselt number, skin friction coefficient, temperature and velocity are discussed. Velocity reduces for larger Williamson fluid parameter. Temperature enhances for larger radiation parameter and Biot number. Entropy generation and Bejan number are increased for larger Biot number, while both have opposite behavior for Brinkman number.

引用

页码：717 / 724

页数：8

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