To investigate the mechanism of scalar transport, the methane fuel concentration and temperature transport and diffusion in ramjet dump combustor was simulated by large eddy simulation.

• 为弄清突扩燃烧室内标量输运机理,采用大涡模拟方法数值模拟了几何结构简化的冲压发动机突扩燃烧室内湍流流动中燃料浓度以及温度等标量的扩散和输运过程。