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国际计算热科学期刊
ESCI SJR: 0.244 SNIP: 0.434 CiteScore™: 0.7

ISSN 打印: 1940-2503
ISSN 在线: 1940-2554

国际计算热科学期刊

DOI: 10.1615/.2014005412
pages 191-198

TRANSIENT FREE-CONVECTION FLOW OF A REACTIVE VARIABLE VISCOSITY FLUID IN A VERTICAL TUBE

Saira Hussnain
Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan
Ahmer Mehmood
Department of Mathematics, International Islamic University, Islamabad, Pakistan
Asif Ali
Department of Mathematics, Quaid-i-Azam University 45320, Islamabad 44000, Pakistan

ABSTRACT

Transient free-convection flow of a reactive viscous fluid with temperature dependent viscosity effects in a vertical tube has been investigated numerically by using a finite-difference scheme. The study reports the temperature dependent viscosity effects on the flow hydrodynamics and thermal characteristics. Skin friction and Nusselt number at the surface of the tube are determined for different parameters such as reactant consumption parameter λ, activation energy parameter (ε) and Prandtl number (Pr) and are discussed through graphs.


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