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利用大型流体力学软件FLUENT,对不同结构尺寸和边界条件的蒸汽喷射泵喷嘴内超音速流场进行了3D模拟。探讨了流场内压力和速度的相互作用及其分布规律;讨论了热力学参数和几何参数对流场特性的影响规律;并分析了喷嘴内影响喷射器性能的激波产生的因素。基本上与D ayton和石井博的研究结果一致。
Using large fluid mechanics software FLUENT, the 3D supersonic flow field in the nozzle of a steam jet pump with different structural dimensions and boundary conditions was simulated. The interaction between pressure and velocity in the flow field and its distribution are discussed. The influence laws of thermodynamic parameters and geometric parameters on the flow field are discussed. The factors that affect the performance of the shock in the nozzle are analyzed. Basically consistent with Dyton’s and Ishii’s findings.