叶轮结构形式对离心式燃油泵性能的影响分析
详细信息 查看官网全文
- 英文论文题名：Analysis of Effect of Impeller Structure Form on Centrifugal Fuel Pump Performance
- 论文作者：潘潇 ; 王文平 ; 李述林 ; 肖若富
- 英文论文作者：Pan Xiao ; Wang Wenping ; Li Shulin ; Xiao Ruofu ; Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration ; Nanjing Engineering Institute of Aircraft Systems ; AVIC ; College of Water Resources and Civil Engineering ; China Agricultural University
- 年：2016
- 作者机构：航空机电系统综合科技重点实验室;中航工业金城南京机电液压工程研究中心;中国农业大学水利与土木工程学院;
- 论文关键词：流固耦合 ; 数值模拟 ; 燃油泵 ; 叶轮结构
- 英文论文关键词：fluid-structure coupling ; CFD ; fuel pump ; impeller structure form
- 会议召开时间：2016-10-31
- 会议录名称：探索 创新 交流（第7集）——第七届中国航空学会青年科技论坛文集（上册）
- 英文会议录名称：Discovery,Innovation and Communication——Proceedings of 7th CSAA Science and Technology Youth Forum
- 语种：中文
- 分类号：V228.1
- 学会代码：ZGHU
- 会议名称：探索 创新 交流（第7集）——第七届中国航空学会青年科技论坛
- 会议地点：中国广东中山
- 主办单位：中国航空学会
- 学会名称：中国航空学会
- 页数：7
- 文件大小：2243k
- 原文格式：O
- 会议级别：全国
摘要
叶型是影响离心叶轮性能的关键,但叶轮的结构形式对其水力性能和结构强度也同样有着重要影响。本文研究分析了三种常用结构形式的燃油离心叶轮,即开式叶轮,半闭式叶轮和闭式叶轮。首先运用数值模拟的计算方法对比分析了三种叶轮的水力性能,然后运用流固耦合的计算方法对三种叶轮分别进行了应力计算。结果表明,叶顶间隙泄漏流会对叶轮的内流场造成一定的扰动,进而引起叶轮内部出现应力集中,对结构强度产生一定的影响。
Blade is the key to affect the performance of centrifugal impeller,but the structure form of the impeller also have great influence on its hydraulic performance and structural strength.In this paper,the structures of three commonly used forms of fuel centrifugal impeller,i.e.open impeller,semi-closed impeller and closed impeller are analyzed.Firstly,we compore the hydraulic performance of the three kinds structure of the impeller by using the computational fluid dynamics(CFD) method.Secondly,the three impellers' stress calculations are carried out by using fluid-structure coupling method.The results show that the tip clearance leakage flow will cause some disturbance within the impeller flow field,resulting to the impeller internal stress concentration,which has a certain impact on the structural strength.
Blade is the key to affect the performance of centrifugal impeller,but the structure form of the impeller also have great influence on its hydraulic performance and structural strength.In this paper,the structures of three commonly used forms of fuel centrifugal impeller,i.e.open impeller,semi-closed impeller and closed impeller are analyzed.Firstly,we compore the hydraulic performance of the three kinds structure of the impeller by using the computational fluid dynamics(CFD) method.Secondly,the three impellers' stress calculations are carried out by using fluid-structure coupling method.The results show that the tip clearance leakage flow will cause some disturbance within the impeller flow field,resulting to the impeller internal stress concentration,which has a certain impact on the structural strength.
引文
[1]黄达钢.叶顶间隙对低比转速半开式离心泵性能的影响[D].浙江理工大学,2012.
[2]崔宝玲,朱祖超,林勇刚,等.不同形式高速离心叶轮内部流动的数值模拟[J].机械工程学报,2007,43(5):19-23.
[3]Tahsin Engin,Mesut Gur,Reinhard Scholz.Effects of Tip Clearance and Impeller Geometry on the Performance of Semi-Open Ceramic Centrifugal Fan Impellers at Elevated Temperatures[J].Experimental Thermal and Fluid Science,2006,30(2006):565-577.
[4]Xiao Ruofu,Wang Zhengwei,Luo Yongyao.Dynamic Stresses in a Francis Turbine Runner Based on FluidStructure Interaction Analysis[J].Tsinghua Science and Technology,2008,13(5):587-592.
[5]肖若富,王正伟,罗永要.基于流固耦合的混流式水轮机转轮静应力特性分析[J].水力发电学报,2007,26(3):121-123,133.
[6]肖若富,王正伟,罗永要.涡带工况下混流式水轮机转轮动应力特性分析[J].水力发电学报,2007,26(4):130-134,140.
[2]崔宝玲,朱祖超,林勇刚,等.不同形式高速离心叶轮内部流动的数值模拟[J].机械工程学报,2007,43(5):19-23.
[3]Tahsin Engin,Mesut Gur,Reinhard Scholz.Effects of Tip Clearance and Impeller Geometry on the Performance of Semi-Open Ceramic Centrifugal Fan Impellers at Elevated Temperatures[J].Experimental Thermal and Fluid Science,2006,30(2006):565-577.
[4]Xiao Ruofu,Wang Zhengwei,Luo Yongyao.Dynamic Stresses in a Francis Turbine Runner Based on FluidStructure Interaction Analysis[J].Tsinghua Science and Technology,2008,13(5):587-592.
[5]肖若富,王正伟,罗永要.基于流固耦合的混流式水轮机转轮静应力特性分析[J].水力发电学报,2007,26(3):121-123,133.
[6]肖若富,王正伟,罗永要.涡带工况下混流式水轮机转轮动应力特性分析[J].水力发电学报,2007,26(4):130-134,140.