ANALYTICAL MODELING OF RADIAL FLUID MIGRATION IN THE BOUNDARY LAYER OF AXIAL FLOW TURBOMACHINERY BLADES

机译：轴流式涡轮机叶片边界层中径向流体迁移的解析模型

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The paper presents an analytical model for qualitative prediction of physical effects stimulating or retarding the radial outward migration of high-loss fluid in the suction side boundary layer of the blades of isolated axial flow rotors. This fluid motion is considered as the main cause of tip stalling. In elaboration of the model, the radial acceleration of fluid particles is expressed, and the Reynolds-averaged Navier-Stokes equation is applied for description of flow. On the basis of the model, guidelines are formulated in order to retard the inception of stall.

机译：本文提出了一种定性预测物理效应的分析模型，该物理效应将刺激或阻止高损耗流体在隔离式轴向流转子叶片的吸入侧边界层中的径向向外迁移。这种流体运动被认为是尖端失速的主要原因。在模型的详细描述中，表达了流体粒子的径向加速度，并且将雷诺平均的Navier-Stokes方程用于描述流动。在该模型的基础上，制定了指导方针以延缓失速的发生。

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来源
《ASME(American Society of Mechanical Engineers) Turbo Expo vol.6 pt.A; 20050606-09; Reno-Tahoe,NV(US)》|2005年|P.261-270|共10页
会议地点 Reno-TahoeNV(US)
作者
JAnos Vad;
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作者单位

Department of Fluid Mechanics Budapest University of Technology and Economics;

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会议组织
原文格式 PDF
正文语种 eng
中图分类气体透平（涡轮机）;
关键词
axial flow turbomachinery; stall; analytical fluid dynamics; three-dimensional turbomachinery flow;

机译：轴流透平；失速；分析流体动力学；三维透平流;

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5. ANALYTICAL MODELING OF RADIAL FLUID MIGRATION IN THE BOUNDARY LAYER OF AXIAL FLOW TURBOMACHINERY BLADES [C] . Janos Vad ASME TURBO EXPO . 2006

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ANALYTICAL MODELING OF RADIAL FLUID MIGRATION IN THE BOUNDARY LAYER OF AXIAL FLOW TURBOMACHINERY BLADES

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