Improving the performance of Savonius wind turbine by installation of a circular cylinder upstream of returning turbine blade

被引：27
|
作者：
Yuwono, Triyogi [1 ,2 ]
Sakti, Gunawan [1 ,3 ]
Aulia, Fatowil Nur [4 ]
Wijaya, Adi Chandra [1 ]
机构：
[1] Inst Teknol Sepuluh Nopember, Dept Mech Engn, Kampus ITS,Jl Arif Rahman Hakim, Surabaya 60111, Indonesia
[2] Inst Teknol Sepuluh Nopember, Ctr Excellence Automot Control & Syst, Jl Arif Rahman Hakim, Surabaya 60111, Indonesia
[3] Politekn Penerbangan Surabaya, Aviat Engn, Jl Jemur Andayani I 73, Surabaya 60236, Indonesia
[4] Politekn Negeri Semarang, Jl Prof Soedarto, Tembalang Semarang, Indonesia
来源：
ALEXANDRIA ENGINEERING JOURNAL | 2020年 / 59卷 / 06期
关键词：
Savonius wind turbine; Circular cylinder; Center to center distance; Power coefficient; Moment coefficient; Static torque; SHAPE OPTIMIZATION; DRAG; ROTOR; 2-BUCKET;
D O I：
10.1016/j.aej.2020.09.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of the installation of a circular cylinder upstream of the returning turbine blade on the performance of the Savonius wind turbine was studied experimentally. The experiments are carried out for Re = 99,000. The circular cylinder with a diameter relative to the blade diameter (d/D) = 0.54 was installed at a distance between the circular cylinder and the returning blade relative to the blade diameter (S/D) varied from 1.4 to 2.2. The experimental results indicate that changes in distance S/D may improve the turbine power coefficient, where the maximum power coefficient occurs at S/D = 1.4, which increases in the power coefficient around 12.2% at a tip-speed ratio of 0.65 relative to the conventional one. However, when the circular cylinder is placed away from the returning blade (S/D > 1.8), there is practically no change in the power coefficient. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of Faculty of Engineering, Alexandria University.
引用
收藏
页码：4923 / 4932
页数：10
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