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Simulation Analysis of Hydraulic Jet Pump

机译:液压喷射泵的仿真分析

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摘要

Hydraulic jet pump is one of the mixing-reaction equipments using high-speed jet for work force to deliver energy and mass of fluid. Many factors affect the efficiency of this pump, and the mechanism is very complex. The present work aims to study the influence of different hydraulic structures on the efficiency. Based on computational fluid dynamics, two-dimensional oil flow in hydraulic jet pump with different structural parameters (area ratio, throat length and spray distance) was simulated. Calculation results show that: area ratio determines the suction capacity, throat length determines the mixing efficiency, and spray distance determines the outlet pressure. Since numerical simulation method can reduce experimental expenses and design cycle, our approach may provide some references for safe design and engineering practice of hydraulic jet pump.
机译:液压喷射泵是使用高速射流的混合反应设备之一,以实现能量和液体的质量。许多因素影响了该泵的效率,机制非常复杂。目前的工作旨在研究不同液压结构对效率的影响。基于计算流体动力学,模拟了具有不同结构参数(面积比,喉部长度和喷射距离)的液压喷射泵中的二维油流。计算结果表明:面积比决定吸力,喉部长度决定混合效率,喷射距离确定出口压力。由于数值仿真方法可以减少实验费用和设计周期,因此我们的方法可以为液压喷射泵的安全设计和工程实践提供一些参考。

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