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提出了迷宫密封腔两控制体模型的理论计算方法,从流体力学基本方程出发,经逐腔计算,获得各腔内的压力分布及反映气流对转子激振力的动力特性系数,实验结果与理论计算具有较好的一致性,为高参数的透平压缩机械转子稳定性评价提供了重要的理论依据。
Based on the fundamental equations of hydrodynamics, the pressure distribution in each cavity and the dynamic characteristic coefficient reflecting the airflow excitation to the rotor are obtained. The experimental results and theory The calculation has good consistency and provides an important theoretical basis for the evaluation of rotor stability of turbine compressor with high parameters.