首页|Numerical simulation research on multiphase flow of aviation centrifugal pump based on OpenFOAM

Numerical simulation research on multiphase flow of aviation centrifugal pump based on OpenFOAM

扫码查看
原文链接
  • NETL
  • NSTL
  • 万方数据
This paper aims to tackle the calculation efficiency problem raised in the cavitation-flow simulation of the aviation centrifugal pump due to the fading-away interface resulting from the dis-sipation of numerics used in the phase-change control equation for unstructured-grid multiphase flow,and due to the limitation of flow time-step in whole flow regimes,the control equation of vapor-liquid two-phase flow considering cavitation mass transport is established firstly,modifying the momentum equation by introducing the surface tension,and adding the artificial convective flow to the phase equation to solve the numerical dissipation problem.Secondly,in consideration of the local time step principle and based on the multi-dimensional general limiter algorithm with explicit solutions under the OpenFOAM platform,a solution method of steady-state VOF(Volume of Fluid)model considering cavitation two-phase change is constructed,and the feasibility of this method is verified by NACA hydrofoil and NASA flat plate inducer.Finally,based on the platform developed,the cavitation performance of an aviation centrifugal pump inducer is analyzed.The research results show that the error of the calculated cavitation pressure distribution for NACA hydrofoil between the simulation test and the experimental-test is less than 5％,and the maximum error of calculated cavitation number at pump head dropping for NASA high-speed flat plate indu-cer between the simulation test and the experimental-test is 2.1％.The cavitation area observed in the simulation test is the same as that obtained in the high-speed photography test.Based on the OpenFOAM simulation method,the position of pump head dropping of the fuel centrifugal pump can be accurately captured.The error of the calculated cavitation number at pump head dropping between the simulation test and the experimental test is about 3.7％,showing high calculation accuracy.

Aero engineFuel centrifugal pumpMultiphase flowOpenFOAMVolume of fluid

Xianwei LIU、Jiangfeng FU、Junjie YANG、Dewen YIN、Zhenhua ZHOU、Huacong LI

展开 >

College of Power and Energy,Northwestern Polytechnical University,Xi'an 710072,China

Norinco Group Testing and Research Institute,Huayin 714200,China

AECC Xi'an Engine Control Technology Co.Ltd.,Xi'an 710077,China

AECC Guizhou Honglin Aero Engine Control Technology Co.Ltd.,Guiyang 550009,China

展开 >

国家科技重大专项Aviation Engine and Gas Turbine Basic Science Center Project,ChinaDefense Industrial Technology Development Program,ChinaAECC Industry University Cooperation Project,China国家自然科学基金Key Research and Development Project in Shaanxi Province,China

J2019-V-0016-0111P2022-B-V-003-001JCKY2022607C002HFZL2022CXY013523723962021GXLH-01-16

2024

10.1016/j.cja.2023.11.016

中国航空学报(英文版)
中国航空学会

中国航空学报(英文版)

CSTPCDEI
影响因子：0.847
ISSN：1000-9361
年,卷(期)：2024.37(4)
  • 47