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超高转速离心通风器性能仿真分析
引用本文:韩金在,陈聪慧,徐让书.超高转速离心通风器性能仿真分析[J].航空动力学报,2016,31(3):685-691.
作者姓名:韩金在  陈聪慧  徐让书
作者单位:1. 中国航空工业集团公司 沈阳发动机设计研究所, 沈阳 110015;
摘    要:以某型航空发动机的超高转速离心通风器为研究对象,应用欧拉-拉格朗日方法对其内部两相流场进行数值模拟.针对不同转速、入口质量流量进行了数值计算,分析其对超高转速离心通风器压降与分离效率的影响.计算表明:超高转速下,优化旋转空心轴结构可以减小离心通风器压降,提高分离效率. 

关 键 词:离心通风器    航空发动机    两相流    压降    分离效率
收稿时间:5/6/2014 12:00:00 AM

Simulation analysis on performance of a high speed centrifugal oil-air separator
HAN Jin-zai,CHEN Cong-hui and XU Rang-shu.Simulation analysis on performance of a high speed centrifugal oil-air separator[J].Journal of Aerospace Power,2016,31(3):685-691.
Authors:HAN Jin-zai  CHEN Cong-hui and XU Rang-shu
Institution:1. Shenyang Engine Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China;2. Faculty of Aerospace Engineering, Shenyang Aerospace University, Shenyang 110136, China
Abstract:The two-phase flow field in the high speed centrifugal oil-air separator of the aero-engine was numerically simulated by the Euler-Lagrange method. Numerical calculation was applied to analyze the influences of speed and mass flow rate on pressure drop and separation efficiency in a high speed centrifugal oil-air separator. The results indicate that the structural improvement of the rotating hollow shaft has obvious influence on reducing pressure drop and increasing separation efficiency.
Keywords:centrifugal oil-air separator  aero-engine  two-phase flow  pressure drop  separation efficiency
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