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首页> 外文期刊>FDMP: Fluid Dynamics & Materials Processing >Design, Optimization and CFD Simulation of a Nozzle for Industrial Cleaning Processes based on High-Pressure Water Jets
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Design, Optimization and CFD Simulation of a Nozzle for Industrial Cleaning Processes based on High-Pressure Water Jets

机译：基于高压水射流的工业清洗工艺喷嘴的设计，优化和CFD仿真

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摘要

Three different kinds of nozzles, normally used in industrial processes for the cleaning of material surface by means of water jets at high pressure (a Cylindrical Contracting, a Taper Contracting and Stepped nozzle), are numerically simulated with the express intent to optimize the related efficiency (cleaning effectiveness). Although some of them are found to display interesting properties, simulation results indicate that a helix nozzle displays the best jetting performances. It is shown that, as compared to improvements obtained by simply changing the jetting angle, revolving the fluid released from the helix nozzle can be used to create a grinding wheel on the cleaning surface, exerting a significant shearing action on the material to be cleaned.
机译：数值模拟了通常用于工业过程中的高压水射流清洁材料表面的三种不同喷嘴（圆柱形收缩，锥形收缩和阶梯状喷嘴），并明确表示要优化相关效率（清洁效果）。尽管发现其中一些显示出有趣的特性，但模拟结果表明，螺旋喷嘴显示出最佳的喷射性能。结果表明，与通过简单地改变喷射角度获得的改进相比，从螺旋喷嘴释放的流体回旋可用于在清洁表面上形成砂轮，从而对要清洁的材料产生显着的剪切作用。

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