Abstract: The turbulent non reacting flow in a three dimensional turbofan afterburner was numerically investigated The afterburner has a lobed mixer, two ring flame stabilizers and one row of radial flame stabilizer The standard k ε turbulence model was used The calculation was performed using the SIMPLE algorithm The results are reasonable

Key words: Turbofan engine;Three dimensional flow;Afterburner;Turbulence model;Numerical simulation

摘要： 采用SIMPLE方法,对涡扇航空发动机加力燃烧室内无化学反应的湍流流场进行了数值模拟。该加力燃烧室带有波瓣型混合器,并有多个环形稳定器及径向稳定器。湍流模型采用kε双方程模型。湍流流场数值计算结果合理。

关键词: 涡轮风扇发动机;三维流;加力燃烧室;湍流;数值仿真