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Numerical simulation of two-phase flow in airlift pumps using the Physical Influence Scheme

机译:基于物理影响方案的气举泵两相流数值模拟

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摘要

A new approach has been presented to solve gas-liquid flow numerically in vertical pipes of air-lift pumps. To improve modelling, a new strategy has been employed with the capability of coupling the continuity and momentum equations and enforcing the role of pressure directly in the continuity equation. This is achieved via applying a novel scheme called the Physical Influence Scheme (PIS). The current finite volume solution is compared with other available numerical solutions. Indeed, they are in fair agreement. However, the present predictions are far superior to those obtained from an existing simple method, which is widely used in airlift pump modelling.
机译:提出了一种新的方法来数值计算气举泵的垂直管道中的气液流动。为了改进建模,已采用一种具有耦合连续性和动量方程并直接在连续性方程中增强压力作用的能力的新策略。这是通过应用一种称为物理影响方案(PIS)的新颖方案来实现的。将当前的有限体积解与其他可用的数值解进行比较。确实,他们之间有公平的协议。但是,当前的预测远远优于从现有的简单方法获得的预测,该方法已广泛应用于气举泵建模中。

著录项

  • 来源
    《Progress in computational fluid dynamics》 |2010年第3期|P.186-194|共9页
  • 作者单位

    Center of Excellence in Energy Conversion, School of Mechanical Engineering, Sharif University of Technology, P.O. Box 11155-9567, Tehran, Iran;

    rnCenter of Excellence in Energy Conversion, School of Mechanical Engineering, Sharif University of Technology, P.O. Box 11155-9567, Tehran, Iran;

    Centre of Excellence in Energy Conversion, Department of Aerospace Engineering, Sharif University of Technology, P.O. Box 11155-9567, Tehran, Iran;

    Centre of Excellence in Energy Conversion, School of Mechanical Engineering, Sharif University of Technology, P.O. Box 11155-9567, Tehran, Iran;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    airlift pump; two-phase flow; finite-volume method; PIS; physical influence scheme; two-fluid approach;

    机译:气举泵;两相流有限体积法PIS;身体影响方案;二流体方法;

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