Abstract:Abstract. In order to simulate the flow structure accurately and find out the inducement of unstability in a centrifugal compressor with casing structure, three different cases of models were established. By contrasting the simulation result of Case1 and Case2 with experiment data, the accuracy of grids model and turbulence model was validated. Compared with utilized a "Mixing Plane" at the Rotor-Stator interface in Case1 and Case2, the flow in diffuser of Case 3 was solved in the rotating reference frame. Com… Show more
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