Torque loss occurring on a Submerged impulse hydro turbine

Saki Usami, Hiroki Koyama, Takuto Azegami, Yusuke Katayama, Yoshiaki Haneda, Shouichiro Iio

研究成果: ジャーナルへの寄稿会議記事査読

抄録

Small hydropower development is one of the best way for enhancement of energy security and good solution of global environmental issues. A new submerged impulse turbine has been developing for generation by replacing a pressure reducing valve in drinking water pipe lines. This study has been especially focused on torque loss on the turbine, but it is not fully understood the reason why the loss is occurred. The torque loss is serious problem for a submerged turbine performance. Thus the torque loss on the runner and a disk was measured. This study, therefore, focuses on the loss mechanisms and aims to reveal key parameters for the loss reduction. We measured and compared to the torque loss between a simple disk and the submerged impulse runner experimentally. In addition, we aimed to reduce the agitation loss with the runner blade.

本文言語英語
論文番号042017
ジャーナルIOP Conference Series: Earth and Environmental Science
240
4
DOI
出版ステータス出版済み - 3月 28 2019
イベント29th IAHR Symposium on Hydraulic Machinery and Systems, IAHR 2018 - Kyoto, 日本
継続期間: 9月 16 20189月 21 2018

!!!All Science Journal Classification (ASJC) codes

  • 環境科学(全般)
  • 地球惑星科学(全般)

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