带分流叶片的离心泵叶轮CFD模拟

IF 1.4 4区农林科学 Q3 AGRICULTURAL ENGINEERING

Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-01-01 DOI:10.1590/1807-1929/agriambi.v24n1p3-7

H. M. P. Rosa, Bruno S. Emerick

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引用次数: 8

摘要

本文的目的是分析和比较计算流体动力学(CFD)对离心泵叶轮的计算模拟结果。模拟了三种叶轮:1)原叶轮，2)出口带分流叶片的原叶轮;3)进口带分流叶片的原装叶轮。分离器占主叶片长度的30%。采用ANSYS-CFX软件系统在1500rpm转速和不同流量下进行了模拟。假设湍流模式为剪切应力输运(SST)。计算结果用于建立叶轮叶片水头曲线，并给出了叶轮内部的压力分布和流线特性。验证了分离器叶片的插入降低了叶轮叶头，其中以带出口分离器的叶轮降低幅度较大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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CFD simulation on centrifugal pump impeller with splitter blades

The present paper aims to present the analysis and comparison of results of computational simulations using Computational Fluids Dynamics (CFD) in impellers of centrifugal pump. Three impellers were simulated: 1) original impeller, 2) original impeller with splitter blades at outlet; 3) original impeller with splitter blades at inlet. The splitters occupied 30% of the length of the main blades. They were simulated using the ANSYS-CFX software system in 1500 rpm rotational speed and at different flow rates. The turbulence model assumed was the Shear Stress Transport (SST). The results were used to build impeller blade head curves, besides the presentation of pressure distribution and streamline behaviour inside the impeller. It was verified that the insertion of the splitter blades reduced the impeller blade head, mainly the impeller with outlet splitter, whose reduction was more intense.

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来源期刊

Revista Brasileira de Engenharia Agricola e Ambiental Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.70

自引率

16.70%

发文量

114

审稿时长

3-8 weeks

期刊介绍： A Revista Brasileira de Engenharia Agrícola e Ambiental (Agriambi), periódico oficial da Asociación Latinoamericana y del Caribe de Ingeniería Agrícola (ALIA), é editada mensalmente, no formato eletrônico, pela Unidade Acadêmica de Engenharia Agrícola (UAEA) do Centro de Tecnologia e Recursos Naturais (CTRN) da Universidade Federal de Campina Grande (UFCG), destinando-se à divulgação de artigos científicos originais e inéditos, elaborados em Português, Inglês ou Espanhol. Com o auxílio de pareceres de Consultores, os artigos são aceitos ou não pela Equipe Editorial para publicação na Revista. A Agriambi aceita, também, a submissão de contribuições na modalidade de revisão de literatura.