Research on Darrieus-type hydraulic turbine for extra-low head hydropower utilization

A. Furukawa, S. Watanabe, K. Okuma

研究成果: Contribution to journalConference article査読

2 被引用数 (Scopus)

抄録

A Darrieus-type turbine has been investigated for extra-low head hydropower utilization. In the present paper, authors'research on Darrieus-type hydraulic turbine is briefly reviewed. The working principle of Darrieus turbine is explained with advantage of its simple structure, at first. Then the fluid-dynamic difference between rotating and linear motions of a blade in a uniform flow is clarified with guiding principle of high performance design of Darrieus turbine. Cavitation problem is also described. Next, effects of duct-casing, consisting of an intake, runner section and draft tube, are discussed and a simplified structure of Darrieus turbine is shown by installing the inlet nozzle. Finally, in the practical use, an adjustment of inlet nozzle section by lowering the inlet nozzle height is proposed when flow rate is varied temporally and seasonally.

本文言語英語
論文番号012003
ジャーナルIOP Conference Series: Earth and Environmental Science
15
PART 1
DOI
出版ステータス出版済み - 2012
イベント26th IAHR Symposium on Hydraulic Machinery and Systems - Beijing, 中国
継続期間: 8 19 20128 23 2012

All Science Journal Classification (ASJC) codes

  • 環境科学(全般)
  • 地球惑星科学(全般)

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