THREE-DIMENSIONAL FLOW FIELD AROUND A ROTATING CYLINDER FOR SPIRAL-FIN MAGNUS WIND TURBINE

被引：3

作者：

Ikezawa, Y. ^{[1
]}

Hasegawa, H. ^{[1
]}

Ishido, T. ^{[1
]}

Haniu, T. ^{[2
]}

Murakami, N. ^{[3
]}

机构：

[1] Utsunomiya Univ, Dept Mech & Intelligent Engn, 7-1-2 Yoto, Utsunomiya, Tochigi 3218585, Japan

[2] Kitami Inst Technol, Dept Geoenvironm Engn, 165 Koen Cho, Kitami, Hokkaido 0908507, Japan

[3] MECARO Co Ltd, 32-145 Tenno Oiwakenishi, Katagami, Akita 0100101, Japan

来源：

JOURNAL OF FLOW VISUALIZATION AND IMAGE PROCESSING | 2018年 / 25卷 / 01期

关键词：

wind turbine; Magnus effect; wind tunnel test;

D O I：

10.1615/JFlowVisImageProc.2018026796

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A Magnus wind turbine uses the Magnus effect to generate electricity. Spiral Magnus wind turbines are unique in that they rotate with cylinders that have fins coiled around them, instead of the more common propeller-type blades. In a previous study, lift force was measured by testing three models (cylinder with no fins, cylinder with straight fins, and cylinder with spiral fins) in a wind tunnel, and it was confirmed that the greatest lift force was generated by the cylinder with spiral fins. In this study, to investigate the reasons for the spiral fins exhibiting superior lift generation performance, three-dimensional flow field was measured using a stereoscopic particle image velocimetry method. A strong vortex from the interaction of a free stream with spiral fins exists close to the cylinder surface; thus, the cylinder with the spiral fins can generate the greatest lift of all three models.

引用

页码：15 / 24

页数：10

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