带旋流器的燃油喷嘴工作特性及火焰筒头部数值模拟  

Operational Characteristics of Fuel Injector with the Swirler and Numerical Simulation of Flame Tube Dome

作　　者：周兵[1] 张宝诚[1] 刘凯[1] 马洪安[1] 

机构地区：[1]沈阳航空航天大学动力与能源工程学院,沈阳110136

出　　处：《航空发动机》2011年第2期29-32,24,共5页Aeroengine

摘　　要：对带空气旋流器的燃油喷嘴工作特性进行了试验研究,得到了该喷嘴的供油特性、喷雾锥角的变化特点和液滴尺寸及其分布规律。应用Fluent软件模拟了在最大工作状态下火焰筒头部和喷嘴喷雾的相互作用,重点计算了火焰筒头部的空气流场、浓度场和油滴轨迹。通过喷嘴试验和数值模拟,真实地反映火焰筒头部的物理化学过程,为该喷嘴和火焰筒的改进提供了重要依据。The experimental investigation of a fuel injector with an air swirler was conducted.The spray characteristics,spray cone angle changing characteristics,droplet size and its distributions law of the injector were experimentally obtained.The numerical simulation of the interaction between the flame tube dome and injector spray under the maximum operation condition were simulated by Fluent.The flow field,concentration field and oil droplets traces of the flame tube dome were calculated.The physical and chemical processes of the flame tube dome were reflected by the injector test and numerical simulation.It was an important basis for the injector and flame tube improvement.

关 键 词：燃油喷嘴 旋流器 供油特性 火焰筒 雾化特性 数值仿真 

分 类 号：TK423.84[动力工程及工程热物理—动力机械及工程]