Inter-blade flow analysis of a propeller turbine runner using stereoscopic PIV

被引：24

作者：

Aeschlimann, Vincent ^{[1
]}

Beaulieu, Sebastien

Houde, Sebastien ^{[1
]}

Ciocan, Gabriel Dan ^{[1
]}

Deschenes, Claire ^{[1
]}

机构：

[1] Univ Laval, LAMH, Quebec City, PQ G1V 0A6, Canada

来源：

EUROPEAN JOURNAL OF MECHANICS B-FLUIDS | 2013年 / 42卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Hydraulic turbine; Particle image velocimetry (PIV); Phase-averaged; Vortex detection; PARTICLE IMAGE VELOCIMETRY; OFF-DESIGN CONDITIONS; KAPLAN DRAFT TUBE; CENTRIFUGAL PUMP; VORTEX; IDENTIFICATION; TURBULENCE;

D O I：

10.1016/j.euromechflu.2013.06.002

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The paper presents the averaged velocity field inside the inter-blade channel of a propeller turbine runner measured using a stereoscopic particle image velocimetry (SPIV) technique. In this manner measurements have been performed without any modification of the flow patterns, with the averaged three-dimensional velocity fields reconstructed from phase-averaged acquisition data based on the blade azimuth. Main and secondary flows were analyzed for nine operating conditions, ranging from part to full load. The radial velocities and gradients play major roles in the inter-blade flow development. Using the lambda(2)-definition for vortex detection, leading edge vortices were detected and identified under part load conditions. (C) 2013 Elsevier Masson SAS. All rights reserved.

引用

页码：121 / 128

页数：8

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