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首页> 外文期刊>International Journal of Multiphase Flow >Three-dimensional numerical analysis of the deformation behavior of droplets impinging onto a solid substrate
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Three-dimensional numerical analysis of the deformation behavior of droplets impinging onto a solid substrate

机译：液滴撞击固体基质变形行为的三维数值分析

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摘要

The collision dynamics of water droplets impacting onto a solid is studied by means of three-dimensional computer simulations. The Navier-Stokes equations for unsteady, incompressible, viscous fluids in the three-dimensional Cartesian coordinate system are approximated and solved by a finite difference method. The volume-of-fluid (VOF) technique is used to track the free liquid surface. Normal and oblique collisions of droplets with the substrate are simulated at low droplet impact inertia. The effect of impact angle on the deformation behavior of droplets is investigated. The experimental observations and the numerical results are in reasonable agreement. Theoretical aspects of the physics of the collision phenomena are addressed. (c) 2006 Elsevier Ltd. All rights reserved.
机译：通过三维计算机仿真研究了水滴撞击固体的碰撞动力学。三维笛卡尔坐标系中不稳定，不可压缩的粘性流体的Navier-Stokes方程通过有限差分法进行近似和求解。流体体积（VOF）技术用于跟踪自由液体表面。在低液滴冲击惯性下模拟液滴与基板的正常和倾斜碰撞。研究了冲击角对液滴变形行为的影响。实验观察与数值结果基本吻合。碰撞现象的物理学的理论方面。 （c）2006 Elsevier Ltd.保留所有权利。

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