INFLUENCE OF STRUCTURAL PARAMETERS UPON TWO-DIMENSIONAL FLOW FIELD IN THE EJECTOR

CHEN Xiu-juan; XIAO Li-chun; XU Jing-weiDepartment of Mechanical and Energy Engineering

doi:10.19666/j.rlfd.2009.03.009

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INFLUENCE OF STRUCTURAL PARAMETERS UPON TWO-DIMENSIONAL FLOW FIELD IN THE EJECTOR

更新时间：2025-09-28

- INFLUENCE OF STRUCTURAL PARAMETERS UPON TWO-DIMENSIONAL FLOW FIELD IN THE EJECTOR
- Thermal Power Generation Vol. 38, Issue 3, Pages: 40-43(2009)
- 作者机构：
  
  江苏工业学院机械与能源工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2009.03.009
  CLC： TK17
- Published：2009
- 稿件说明：
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CHEN Xiu-juan, XIAO Li-chun, XU Jing-weiDepartment of Mechanical and Energy Engineering. INFLUENCE OF STRUCTURAL PARAMETERS UPON TWO-DIMENSIONAL FLOW FIELD IN THE EJECTOR[J]. Thermal power generation, 2009, 38(3): 40-43.
DOI：

CHEN Xiu-juan, XIAO Li-chun, XU Jing-weiDepartment of Mechanical and Energy Engineering. INFLUENCE OF STRUCTURAL PARAMETERS UPON TWO-DIMENSIONAL FLOW FIELD IN THE EJECTOR[J]. Thermal power generation, 2009, 38(3): 40-43. DOI： 10.19666/j.rlfd.2009.03.009.

摘要

运用计算流体力学软件Fluent对喷射器内二维流场进行数值模拟计算。分析了第二喉管径向和轴向尺寸以及吸收室轴向长度对喷射器性能的影响。计算结果表明

在一定的设计工况下

混合室及吸收室轴向长度尺寸的改变会极大地影响波系结构;存在一个最佳的混合室直径对应于最大的喷射系数。给出了最佳几何参数下的主要物理特征。

Abstract

The two-dimensional flow field in an ejector has been numerically simulated and calculated by using FLUENT software

the influence of radial and axial dimensions in secondary throat as well as the axial length of absorption chamber upon the performance of ejector being analysed.Results of calculation show that the variation in dimensions of axial length in mixing chamber and absorption chamber under certain designed operating condition may extremely affect the shock structure.There is an optimal diameter of the mixing chamber

corresponding to the maximum spray coefficient.The main physical charoteristics under optimal geometric parameters have been given.

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