Investigation of flow in axial stage of experimental turbine

被引：2

作者：

Straka, Petr ^{[1
]}

Pelant, Jaroslav ^{[1
]}

Nemec, Martin ^{[1
]}

Jelinek, Tomas ^{[1
]}

Milcak, Petr ^{[2
]}

机构：

[1] Aerosp Res & Test Estab Plc, Beranovych 130, Prague 19905, Czech Republic

[2] Dossan Skoda Power Co Ltd, Tylova 1-57, Plzen 30128, Czech Republic

来源：

EXPERIMENTAL FLUID MECHANICS 2016 (EFM16 ) | 2017年 / 143卷

关键词：

D O I：

10.1051/epjconf/201714302117

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The contribution deals with investigation of flow in the axial stage of the experimental turbine with reaction blading. The main intention is to evaluate an effect of the secondary flows on the efficiency. Most important source of the secondary flows is an outflow from the seal above the rotor shroud. Other sources of the secondary flows are axial gaps between the rotor disc and the side walls of the stator blade channel and the outlet diffuser. Results of the numerical simulation are compared with the experimental data. In this work there is also studied possibility of transfer the outlet dissipation structures at the inlet of the stage as an approach to modelling of the multistage configuration.

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页数：8

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