首页> 外文期刊>Diffusion and Defect Data. Solid State Data, Part A. Defect and Diffusion Forum >Motion of Williamson Fluid over an Upper Horizontal Surface of a Paraboloid of Revolution due to Partial Slip and Buoyancy: Boundary Layer Analysis
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Motion of Williamson Fluid over an Upper Horizontal Surface of a Paraboloid of Revolution due to Partial Slip and Buoyancy: Boundary Layer Analysis

机译:威廉姆森液在抛物面的上水平表面上的旋转的上水平表面,由于部分滑动和浮力:边界层分析

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摘要

In this article, the motion of a non-Newtonian visco-inelastic fluid over an object that is neither a cone/wedge nor horizontal/vertical is presented. It is assumed that partial slip and buoyancy induces the flow of Williamson fluid over this kind of object herein referred to as an upper horizontal surface of a paraboloid of revolution. Considering the relationship between the thicknesses of the object and velocity index; the relevance of partial slip at the leading edge is significant and illustrated in this article. The governing equation which models the flow is non-dimensionalized and parameterized. The corresponding dimensionless equations are solved numerically using shooting technique along with fourth order Runge-Kutta integration scheme. Due to the presence of partial slip and thermal jump, increase in horizontal velocity at the wall is ascertained. The decrease in local heat transfer rate is ascertained within large interval next to the surface of a paraboloid of revolution in the absence of partial slip and thermal jump. A significant decrease in temperature distribution near the surface of an upper horizontal surface of a paraboloid of revolution is guaranteed with an increase in thermal buoyancy parameter in the presence of thermal jump.i/i.
机译:在本文中,提出了非牛顿粘弹性流体在既不是锥/楔也不是水平/垂直的物体上的运动。假设部分滑动和浮力诱导威廉姆森流体在本文这种物体上的流动称为旋装物的抛物面的上水平表面。考虑物体和速度指数厚度之间的关系;部分滑动在前缘处的相关性是显着的,并在本文中示出。流量的控制方程是非维度和参数化的。相应的无量纲方程在数值上使用拍摄技术和第四阶runge-Kutta集成方案进行解决。由于存在部分滑动和热跳跃,确定壁的水平速度的增加。在没有部分滑动和热跳的情况下,在抛物面的曲柄表面旁边的大间隔内确定局部传热速率的降低。在热跳存在下的热浮力参数增加,保证了抛物面的抛物面的上水平表面表面附近的温度分布的显着降低。& / i&gt ;.

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