Abstract

Bi-directional airflow is generated in the wave energy plant with oscillating water column (OWC). Turbines for bi-directional airflow have been used in such devices, and they rotates in the same direction. Some turbines for bi-directional airflow were proposed, and their performance were investigated by wind tunnel tests and CFD analyses. Typical turbines have some inherent disadvantages such as severe stall and low efficiency. Therefore, the authors proposed two unique turbines for bi-directional flow: Wells turbine with booster and counter-rotating impulse turbine. Extensive numerical works were conducted to perform a comparative study between the conventional and proposed turbines.

Details

Title
Performance comparison of turbines for bi-directional flow
Author
Takao, Manabu 1 ; Fukuma, Seisuke 1 ; Okuhara, Shinya 1 ; Alam, M M Ashraful 1 ; Kinoue, Yoichi 2 

 National Institute of Technology, Matsue College, Japan 
 Saga University, Japan 
Publication year
2019
Publication date
Mar 2019
Publisher
IOP Publishing
ISSN
17551307
e-ISSN
17551315
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2557595134
Copyright
© 2019. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.