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首页> 外文期刊>Tamkang Journal of Science and Engineering >Study Of Numerical Simulation Applying To The Design Of An Orifice With High-velocity Waterjet
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Study Of Numerical Simulation Applying To The Design Of An Orifice With High-velocity Waterjet

机译：数值模拟在高速喷水孔设计中的研究

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The purpose of this paper is using numerical simulation method to discuss the influences of high-velocity waterjet on different types of orifice which is made of diamond. Not only we aim at establishing the model of analysis to the orifice geometry but also change the design conditions of the orifices in order to find the optimal orifice shape. During the numerical simulation, a two-dimensional axial-symmetric model is established first, and then some practical geometric parameters are considered for the orifice, including flow channel with 0.5 mm in depth, 0.1 mm to 0.56 mm for the diameters of inlet and outlet, and 0.005 mm to 0.346 mm for the neck height. The analytic results can show the pressure and velocity distributions of high-velocity waterjets in the orifices under different conditions and can be used for assessment of orifice geometric design. Through this study, it is expected to know more physical insight about the effect of high-velocity waterjet on orifice geometry and further to improve the life cycle of orifice.
机译：本文的目的是使用数值模拟方法来讨论高速水射流对金刚石制成的不同类型孔口的影响。我们不仅要建立对孔口几何形状的分析模型，而且要改变孔口的设计条件以找到最佳的孔口形状。在数值模拟过程中，首先建立二维轴对称模型，然后考虑孔口的一些实用几何参数，包括深度为0.5 mm，入口和出口直径为0.1 mm至0.56 mm的流道。 ，颈部高度为0.005毫米至0.346毫米。解析结果可以说明不同条件下节流孔内高速喷水的压力和速度分布，可用于节流孔几何设计的评估。通过这项研究，有望获得更多有关高速水刀对孔口几何形状影响的物理见解，并进一步改善孔口的使用寿命。

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