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Streamrate stagnation-point flow of a nanofluid on a stationary cylinder

机译:纳米流体在固定圆柱体上的流动停滞点流

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The steady-state, viscous flow of Nanofluid in the vicinity of an axisymmetric stagnation point of a stationary cylinder is investigated. The impinging free-stream is steady and with a constant strain rate . Exact solution of the Navier–Stokes equations is derived in this problem. A reduction of these equations is obtained by use of appropriate transformations introduced in this research. The general self-similar solution is obtained when the wall temperature of the cylinder is constant. All the solutions above are presented for Reynolds numbers ranging from 0.1 to 1000 and selected values of particle. For all Reynolds numbers, as the particle fraction increases, the depth of diffusion of the fluid velocity field in radial direction, the depth of the diffusion of the fluid velocity field in -direction, shear-stresses and pressure function decreases.
机译:研究了在固定圆柱的轴对称停滞点附近的纳米流体的稳态粘性流动。撞击的自由流稳定且应变率恒定。 Navier–Stokes方程的精确解就是在这个问题上得出的。通过使用本研究中引入的适当转换,可以减少这些方程式。当圆柱体的壁温恒定时,可获得一般的自相似解。给出了以上所有解决方案的雷诺数范围为0.1到1000,以及选定的粒子值。对于所有雷诺数,随着粒子分数的增加,流体在径向方向上的扩散深度,流体在-方向上的扩散深度,切应力和压力函数减小。

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