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为明晰转静干涉对吸附式压气机气动性能的影响,对某单级亚声速低反力度吸附式压气机设计工况点进行数值模拟,详细对比分析了定常与非定常一维气动参数、参数沿展向分布以及内部流场之间的差异。研究结果表明,在转静干涉条件下,单级吸附式压气机时均总压比及效率与定常计算结果相比基本无变化,但吸力面抽吸量增加,端壁抽吸量减小;静叶对动叶势流干涉作用降低了动叶中部区域的做功能力;动叶反“C”型尾迹在静叶内部输运的过程中进一步扭曲,两端向叶展中部靠拢,级出口气动参数沿展向分布均化。
In order to clarify the influence of rotational interference on the aerodynamic performance of adsorptive compressors, a single-stage subsonic low reverse-pressure adsorption compressor design conditions were numerically simulated. The steady-state and unsteady one-dimensional aerodynamic parameters, parameters Along the span distribution and the internal flow field differences. The results show that under the condition of static interference, the total pressure ratio and efficiency of the single stage adsorption compressor have no change compared with the steady calculation results, but the suction capacity of the suction surface increases and the suction capacity of the end wall decreases. The action of the vanes on the flow potential of the moving blades reduces the workability in the central region of the moving blades. The reverse “C” -type wake of the moving blades is further twisted during the internal transport of the vanes, The exit aerodynamic parameters are distributed along the span direction.