关键词:无叶扩压器;旋转失速;大宽度比;射流一尾迹 [gap=824]Key words:vaneless diffuser;rotating stall;large width-radius ratio;jet-wake
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In order to analyze the flow characteristics of supercharger impeller, vaneless diffuser and volute, single channel model and entire machine model are built for simulation.
为分析增压器叶轮、无叶扩压器和蜗壳内的流动特性,分别建立了单通道模型和整机模型。
参考来源 - 增压透平膨胀机的设计与增压端的数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明：无叶扩压器内部流动的计算值与实验值相吻合。
The results show that the computed results of the flow within the vaneless diffuser was agreed with the available experimental data.
提出了一种计算无叶扩压器两壁面上不可压缩三元紊流附面层的方法。
A method is proposed to calculated the incompressible three-dimensional turbulent boundary layer on both wall surfaces of vaneless diffusers.
采用的扩压器包括无叶扩压器、叶片扩压器、低稠度扩压器和半高导叶扩压器。
These diffusers include vaneless diffuser, vaned diffuser, low solidity diffuser and half-guide-vanes diffuser.
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