铝颗粒/空气预混层流火焰数值仿真  

Numerical Study of Laminar Flame in Aluminum Dust Clouds

作　　者：赵梦梦 张素芬[1] 雍华健 蒋亚航 Zhao Mengmeng;Zhang Sufen;Yong Huajian;Jiang Yahang(School of Aeronautics and Astronautics,North China Institute of Aerospace Engineering,Langfang 065000,China)

机构地区：[1]北华航天工业学院航空宇航学院,河北廊坊065000

出　　处：《北华航天工业学院学报》2023年第5期11-13,共3页Journal of North China Institute of Aerospace Engineering

基　　金：北华航天工业学院国防基金创新项目(305050364)。

摘　　要：简述了铝颗粒燃烧机理的研究进展,总结了铝在不同氧化剂环境下的详细化学反应动力学模型。介绍了利用本生灯型燃烧器研究铝粉层流火焰的方法,综述了铝粉层流火焰的研究进展。利用Fluent-Chemkin对铝粉/空气预混层流火焰进行了数值仿真。通过与实验结果对比表明采用Al-Air详细化学反应机理的两相层流燃烧模型能够较好的预测铝颗粒层流燃烧。数值仿真结果揭示了两相流铝颗粒运动、蒸发与燃烧过程。The overview for the combustion characteristics of aluminum particle is presented firstly,and then the aluminum oxidization kinetic models with various oxidizers are summarized.Research on aluminum particle/air premixed flames using Bunsen-type cloud apparatus is reviewed with further possible studies focusing on the aluminum laminar flames.The results of the CFD simulation using a simplified combustion model coupled with a detailed Al/air chemical kinetics show a good agreement with the experimental measured flames.The CFD results also depict the movement and the evaporation process of the aluminum particles,and the formation and depletion ofthe species.

关 键 词：金属铝粉 燃烧 层流火焰 数值仿真 

分 类 号：TK16[动力工程及工程热物理—热能工程]