New & Renewable Energy (신재생에너지)

Korean Society for New and Renewable Energy (한국신·재생에너지학회)
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Parametric Study of a Fixed-blade Runner in an Ultra-low-head Gate Turbine

  • Mohamed Murshid Shamsuddeen (CFD Business Department, NineplusIT Co., Ltd.) ;
  • Duc Anh Nguyen (Industrial Technology (Green Process and Energy System Engineering, University of Science & Technology) ;
  • Jin-Hyuk Kim (Industrial Technology (Green Process and Energy System Engineering, University of Science & Technology)
  • Received : 2023.08.04
  • Accepted : 2024.01.12
  • Published : 2024.03.25
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Abstract

Ultra-low-head is an unexplored classification among the sites in which hydroelectric power can be produced. This is typically owing to the low power output and the economic value of the turbines available in this segment. A turbine capable of operating in an ultra-low-head condition without the need of a dam to produce electricity is developed in this study. A gate structure installed at a shallow water channel acting as a weir generates artificial head for the turbine mounted on the gate to produce power. The turbine and generator are designed to be compact and submersible for an efficient and silent operation. The gate angle is adjustable to operate the turbine at varying flow rates. The turbine is designed and tested using computational fluid dynamics tools prior to manufacturing and experimental studies. A parametric study of the runner blade parameters is conducted to obtain the most efficient blade design with minimal hydraulic losses. These parameters include the runner stagger and runner leading edge flow angles. The selected runner design showed improved hydraulic characteristics of the turbine to operate in an ultra-low-head site with minimal losses.

Keywords

Acknowledgement

This work was supported by the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Ministry of Trade, Industry and Energy, South Korea (MOTIE) (20217410100010, Development on the Unused Energy Utilization Technology for Medium and Large CHP Cooling Tower).

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