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Numerical Simulation and Experimental Study on the Performance of Gas/liquid Spiral Separator

机译:气液螺旋分离器性能的数值模拟与实验研究

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摘要

The gas/liquid spiral separator,a key component in the compressed air system,was used to remove liquid and oil from gas stream by centrifugal and gravitational forces.To optimize the design of the separator,the relationship between the performance and structural parameters of separators is studied.Computational fluid dynamics (CFD) method is employed to simulate the flow fields and calculate the pressure drop and separation efficiency of air-liquid spiral separators with different structural parameters.The RSM (Reynolds stress model) turbulence model is used to analyze the highly swirling flow fields while the stochastic trajectory model is used to simulate the traces of liquid droplets in the flow field.A simplified calculation formula of pressure drop in spiral structures is obtained by modifying Darcy's equation and verified by experiment.
机译:气/液螺旋分离器是压缩空气系统的关键部件,用于通过离心力和重力作用从气流中去除液体和油。为了优化分离器的设计,分离器的性能与结构参数之间的关系采用计算流体动力学(CFD)方法模拟流场并计算不同结构参数的气液螺旋分离器的压降和分离效率,并使用RSM(雷诺应力模型)湍流模型进行分析。通过对Darcy方程进行修正,得到了螺旋结构中压降的简化计算公式,并进行了实验验证。

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