Numerical study on mixing enhancement of lobed injector

SHAN Yong; ZHANG Jing-zhou; ZHU Hua-ping

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Numerical study on mixing enhancement of lobed injector

更新时间：2026-07-07

- Numerical study on mixing enhancement of lobed injector
- Vol. 26, Issue 9, (2011)
- 作者机构：
  
  南京航空航天大学能源与动力学院,南京,210016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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SHAN Yong, ZHANG Jing-zhou, ZHU Hua-ping. Numerical study on mixing enhancement of lobed injector[J]. 2011, 26(9).
DOI：

SHAN Yong, ZHANG Jing-zhou, ZHU Hua-ping. Numerical study on mixing enhancement of lobed injector[J]. 2011, 26(9). DOI：

摘要

利用FLUENT CFD(computational fluid dynamics)数值计算软件

对波瓣喷射器中无化学反应异类气体的混合过程进行了数值研究

二氧化碳气体作为主流从波瓣状狭缝中喷出

与同向空气流在混合管内进行混合.获得了两股气流相互混合过程中的速度分布、流向涡分布、组分分布等相关信息

分析了波瓣喷射器结构参数对流向涡环流强度的影响.波瓣喷射器诱导的流向涡强化了同向流动气体之间的混合效率

组分分布较为均匀.

Abstract

The mixing characteristics of two different kinds of fluids with non-reaction in the lobed injector were numerically studied by using FLUENT CFD(computational fluid dynamics) software. The primary flow (CO2) was injected from the lobed slot between two corrugated plates

and then mixed with the coflowing secondary flow (air) in the mixing duct. The velocity fields

streamwise vortice structures and species distribution were obtained to analyze the effects of lobed injector parameters on the circulation intensity of streamwise vortices. The streamwise vortices induced by the lobed injector are helpful to improve the mixing efficiency of the two coflowing fluids

and make the species distribution more uniform.

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Related Institution

Hunan Aviation Powerplant Research Institute， Aero Engine Corporation of China

Key Laboratory of Advanced Measurement and Test Technique for Aviation;Propulsion System，Liaoning Province，Shenyang Aerospace University

北京航空航天大学能源与动力工程学院

Aviation Key Laboratory of Science and Technology on Aero Electromechanical System Integration, Nanjing Engineering Institute of Aircraft Systems, Jincheng, Aviation Industry Corporation of China

College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics

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