VARIABLE VISCOSITY EFFECTS ON FLOW AND HEAT TRANSFER IN A COLLAPSIBLE TUBE

Saira Hussnain; Ahmer Mehmood; Asif Ali

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VARIABLE VISCOSITY EFFECTS ON FLOW AND HEAT TRANSFER IN A COLLAPSIBLE TUBE

机译：粘性管内流动和传热的粘度变化效应

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We perform heat transfer analysis of viscous fluid flow through a collapsible tube with variable viscosity. The fluid considered is an incompressible Newtonian fluid with variable viscosity depending upon the space variable. Interesting observations have been noted regarding the influence of variable viscosity characteristics on various quantities of physical interest. It is observed that the skin friction at the tube wall decreases in the case of variable viscosity in both situations: namely, Re＜0 and Re＜0, but the Nusselt number shows the opposite behavior for the cases Re＞0 and Re＜0 when the fluid with variable viscosity is considered.

机译：我们对通过可变粘度的可折叠管的粘性流体流进行传热分析。所考虑的流体是不可压缩的牛顿流体，其粘度取决于空间变量而变化。关于可变粘度特性对各种物理关注量的影响，已经注意到了有趣的观察。可以观察到，在两种情况下，即粘度Re ＜0和Re ＜0时，在粘度变化的情况下，管壁的皮肤摩擦力都减小了，但是当粘度Re＞ 0和Re ＜0时，努塞尔数显示出相反的行为。当考虑粘度可变的流体时。

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来源
《Composites: mechanics, computations, applications》 |2013年第3期|209-223|共15页
作者
Saira Hussnain; Ahmer Mehmood; Asif Ali;
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作者单位

Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan;

Department of Mathematics (FBAS), International Islamic University,Islamabad, Pakistan;

Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan;

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正文语种 eng
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关键词
collapsible tube; viscous flow; heat transfer; variable viscosity;

机译：可折叠管粘性流传播热量;可变粘度;

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VARIABLE VISCOSITY EFFECTS ON FLOW AND HEAT TRANSFER IN A COLLAPSIBLE TUBE

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