A comparative study of bi-directional airflow turbines

被引：1

作者：

Takao M. ^{[1
]}

Fukuma S. ^{[2
]}

Okuhara S. ^{[3
]}

Alam M.M.A. ^{[1
]}

Kinoue Y. ^{[4
]}

机构：

[1] Department of Mechanical Engineering, National Institute of Technology, Matsue College, 14-4 Nishiikuma, Matsue, 690-8518, Shimane

[2] Advanced Production and Construction Systems Course, National Institute of Technology, Matsue College, 14-4 Nishiikuma, Matsue, 690-8518, Shimane

[3] Support Center for Practical Education, National Institute of Technology, Matsue College, 14-4 Nishiikuma, Matsue, 690-8518, Shimane

[4] Institute of Ocean Energy, Saga University, 1 Honjo, Saga, 840-8502, Saga

来源：

International Journal of Fluid Machinery and Systems | 2019年 / 12卷 / 03期

基金：

日本学术振兴会;

关键词：

Bi-directional Flow; Fluid Machinery; Impulse turbine; Wave energy conversion; Wells turbine;

D O I：

10.5293/IJFMS.2019.12.3.228

中图分类号：

学科分类号：

摘要：

In an oscillating water column (OWC) based wave energy plant, a bi-directional airflow is generated in the air chamber. To harness energy, the bi-directional airflow turbines that rotate in the same direction are used in such wave energy conversion devices. Some turbines for bi-directional airflow have been proposed to date, and their performance were investigated by wind tunnel tests and CFD analyses. Some of the typical turbines have inherent disadvantages, such as severe stall problem and low efficiency. Therefore, authors proposed two unique turbines for bi-directional flow: Wells turbine with booster and counter-rotating impulse turbine. An extensive computational work was conducted to perform a comparative study between the conventional and proposed turbines for bi-directional airflow. © 2019, Turbomachinery Society of Japan. All rights reserved.

引用

页码：228 / 234

页数：6

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