Multi-Blade Row Navier-Stokes Simulations of Fan-Bypass Configurations
Multi-Blade Row Navier-Stokes Simulations of Fan-Bypass Configurations
复制标题
风扇旁路配置的多叶片排纳维-斯托克斯模拟
DOI：
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发表时间：
1991
期刊：
影响因子：
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通讯作者：
W. Dawes
中科院分区：
文献类型：
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作者：
W. Dawes
本文描述了对多叶片排三维Navier-Stokes求解器的扩展，以使风扇-分离器-旁路几何形状能够得到处理。该代码应用于两个通用配置。核心旁路分离器可以通过其相关的压力场施加相当大的上游影响，并且在这里所示的示例中严重扰乱了风扇吸力表面边界层。由于上游风扇的间隙流，以及与本例所选的特定涵道比相关的分流器LE入射引起的分流器上表面比预期更厚的边界层，旁路支板的行为得到了实质性的改变。ASME版权所有©1991
This paper describes extensions to a multi-blade row 3D Navier-Stokes solver to enable fan-splitter-bypass geometries to be handled. The code is applied to two generic configurations. The core-bypass splitter can exert considerable upstream influence via its associated pressure field and in the example shown here severely disturbs the fan suction surface boundary layer. The behaviour of the bypass ogv is substantially modified both by the clearance flow of the upstream fan and also by thicker than expected boundary layers on the splitter upper surface caused by the splitter LE incidence associated with the particular bypass ratio selected for the example.Copyright © 1991 by ASME