Study on the Numerical Model of Transonic Wind Tunnel Test Section

被引：1
|
作者：
Louda, Petr [1 ,2 ]
Prihoda, Jaromir [1 ]
机构：
[1] Czech Acad Sci, Inst Thermomech, Prague 18200 8, Czech Republic
[2] Czech Tech Univ, Fac Mech Engn, Prague 12135 2, Czech Republic
来源：
JOURNAL OF THERMAL SCIENCE | 2021年 / 30卷 / 01期
关键词：
perforated wall model; transonic wind tunnel; turbine blade cascade; TRANSITION; FLOW;
D O I：
10.1007/s11630-020-1277-3
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The authors consider numerical simulations of transonic flows through various turbine cascades in a confined channel which approximates boundaries of real wind tunnel. The boundaries of the wind tunnel are impermeable or there can be permeable tailboards to diminish shock wave reflections. The mathematical model is based on Favre-averaged Navier-Stokes equations closed by a turbulence model and model of transition to turbulence. The mathematical model is solved by an implicit finite volume method with multi-block grids. Several types of turbine blade cascades with subsonic or supersonic inlet are presented. The results are compared with optical measurements and simulations of periodic cascades. The validity of experimental reference flow parameters in relation to computed flow patterns is discussed.
引用
收藏
页码：231 / 241
页数：11
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