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요약정보
叶片型线对纯径流式向心透平气动性能的影响 / Influence of Blade Profile on Aerodynamic Performance of Radial Turbine
Resource Type
Academic Journal
Authors
刘凤霞
;
张聪慧
;
魏炜
;
于洋
;
LIU Feng-xia
;
ZHANG Cong-hui
;
WEI Wei
;
YU Yang
Source
汽轮机技术 / Turbine Technology
. 65(3):161-170
Subject
向心透平
叶轮型线
参数优化
Language
Chinese
ISSN
1001-5884
Online Access
Find it @ DONGA
초록
以实验室的某纯径流式可调向心透平为研究对象,应用计算流体力学软件FLUENT,比较分析了几种不同曲线为动叶叶型对透平性能的影响;在此基础上,提出以阿基米德螺线为中弧线的叶片参数化造型方法,结果得到气动性能良好的叶片型线,阿基米德螺线叶型的叶轮效率比连锁螺线提高8%;参数优化后的叶型比原曲线叶轮效率提升5%左右.以优化后的曲线为叶轮型线,在不同操作参数下,得到了透平的轴效率特性曲线.研究可为小功率向心透平的叶片设计和优化提供指导.
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