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Analysis and numerical simulation of a novel gas-liquid multiphase scroll pump

机译：新型气液多相涡旋泵的分析与数值模拟

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摘要

This paper presents analysis of a novel multiphase scroll pump to transport gas-liquid two-phase mixtures, in which each compression chamber has a flank clearance which forms a pressure unloading gap connected to the discharge port. Therefore, this multiphase scroll pump has the function of unloading gas-liquid mixture pressure automatically during the compression process, so the frequently occurring problem of liquid slugging in displacement multiphase pumps is solved. Hence, safety and reliability are improved. In this paper the working process model of the presented multiphase scroll pump is discussed; and equations of fluid motion and geometry of scroll wrap profiles are given. Grid generation and numerical methods are discussed, and numerical simulation of the working process for a multiphase scroll pump is conducted using the commercial CFD software package Fluent, with results suggesting key parameter values for design of multiphase scroll pumps.
机译：本文介绍了一种用于输送气液两相混合物的新型多相涡旋泵的分析方法，其中每个压缩室都有一个侧面间隙，该侧面间隙形成了一个与排出口相连的压力卸载间隙。因此，该多相涡旋泵具有在压缩过程中自动卸载气液混合物压力的功能，从而解决了容积式多相泵中经常发生的液体塞问题。因此，提高了安全性和可靠性。本文讨论了所提出的多相涡旋泵的工作过程模型。给出了涡旋轮廓的流体运动方程和几何形状。讨论了网格生成和数值方法，并使用商用CFD软件包Fluent对多相涡旋泵的工作过程进行了数值模拟，结果表明了设计多相涡旋泵的关键参数值。

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  • 来源
  • 作者

    Jun Wang; Haibin Zha; J.M. McDonough; Dahai Zhang;

  • 作者单位

    College of Chemical Engineering, China University of Petroleum (Huadong), 66, Changjiang West Road, Huangdao District, Qingdao 266580, China;

    College of Chemical Engineering, China University of Petroleum (Huadong), 66, Changjiang West Road, Huangdao District, Qingdao 266580, China;

    Departments of Mechanical Engineering and Mathematics, University of Kentucky, Lexington, KY 40506, USA;

    College of Chemical Engineering, China University of Petroleum (Huadong), 66, Changjiang West Road, Huangdao District, Qingdao 266580, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Multiphase scroll pump; Scroll wrap profile; Flank clearance; Numerical simulation; Fluid distribution;

    机译：多相涡旋泵;滚动换行配置文件;侧面间隙;数值模拟流体分配;

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