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本文运行k—e模型对WR燃烧器空气动力场进行了数值计算,得到了流场中的轴向速度、湍动能以及湍能耗散率分布,分析比较了WR燃烧器与常规燃烧器的不同点,利用计算结果分析了WR燃烧器中钝体的位置及边宽对流场结构的影响。
In this paper, the k-e model was used to calculate the aerodynamic field of WR burners. The axial velocity, turbulent kinetic energy and turbulent dissipation rate distribution in the flow field were obtained. The differences between WR and conventional burners were analyzed and compared The influence of the position of the bluff body and the width of the flow field on the structure of the flow field in the WR combustor was analyzed by using the calculated results.