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首页> 外文期刊>Journal of Nanofluids >Numerical Simulation of Non-Axisymmetric Homann's Stagnation-Point Flow of Nanofluid
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Numerical Simulation of Non-Axisymmetric Homann's Stagnation-Point Flow of Nanofluid

机译：非完全轴对称零件- Homann外花键的数值模拟驻点Nanofluid流

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This paper addresses numerical results for nanofluid near Homann's non-axisymmetric stagnation-point flow. The nanofluids model shows Brownian motion and thermophoresis effects. Recently, Weidman modify the Homann's stagnation-point problem to non-axisymmetric on rigid surface by superposing additional periodic terms to outer potential flow. The numerical results for couple differential system are obtained by means of shooting method. The solution is achieved for diverse values of involved parameter and ratio gamma = b/a (b is shear and a is strain rate), which ranges from (-infinity, infinity). The distributions for shear stresses, heat and mass transfer rate, temperature and nanoparticle concentration compared to their large-gamma asymptotic behaviors also presented. For nanofluids, properties may vary considerably near solid boundary due to thermophoresis and Brownian motion of the fluid particles. These effects can result in decreasing viscosity within the boundary layer for heated fluids, thus leading to heat transfer enhancement.
机译：本文地址数值结果nanofluid Homann non-axisymmetric附近驻点流动。布朗运动和热泳效应。最近,韦德曼修改Homann的驻点non-axisymmetric的问题实现额外的周期叠加显示刚性表面外部潜在的流。结果几个微分系统通过拍摄的方法获得的。解决方案实现多样化的价值观相关参数和比γ= b / a (b剪切应变率),范围从(无穷,无穷)。剪切应力,传热传质速率,温度和纳米颗粒浓度相比large-gamma渐近行为。固体附近的属性可能会相差很大边界由于热迁移和布朗流体粒子的运动。导致内降低粘度加热液体边界层,从而导致传热增强。

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