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CN102016324A 用于涡轮机转子轮的壳体 有权

用于涡轮机转子轮的壳体
摘要：
一种用于涡轮机转子轮(100)的壳体(10)具有多个周向槽(11，12，13)，每个周向槽的截面大致相同，其中，所述周向槽(11，12，13)的截面积(S1，S2，S3)从上游至下游从第一个槽(11)至最后的槽(13)而减小。通过以这种方式处理壳体，转子轮的效率被优化，且其喘振裕度改进。
摘要（英）：

Casing (10) for a moving-blade wheel (100) of a turbomachine, comprising a plurality of circumferential slots (11,12,13) having substantially constant cross sections, and wherein the area of the cross section (S1,S2,S3) of the circumferential slots (11,12,13) decreases in the upstream to downstream direction from the first slot (11) to the last slot (13). As a result of the casing being processed in this way, the efficiency of the moving-blade wheel is optimized and the surge margin is improved.

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