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논문 기본 정보

저자정보
(한국생산기술연구원) (한국생산기술연구원) (한국생산기술연구원) (한국생산기술연구원) (한국생산기술연구원)
저널정보
한국수소및신에너지학회 한국수소및신에너지학회논문집 한국수소 및 신에너지학회 논문집 제31권 제3호
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    초록·키워드

    In this work, a preliminary design of an inlet guide vane and runner for developing a 2.5 kW hydraulic turbine was conducted by using computational fluid dynamic analysis. Three-dimensional Reynolds-averaged Navier-Stokes equations with shear stress transport turbulence model were used to analyze the fluid flow in the hydraulic turbine. The hexahedral grid system was used to construct computational domain, and the grid dependency test was performed to obtain the optimal grid system. Velocity triangle diagram considering the flow angles of the inlet guide vane and runner was analyzed to obtain a basic geometry of the inlet guide vane and runner. Through modification of the preliminary design, the hydraulic performances of the turbine have improved under overall drop conditions. Especially, the efficiency and power of the turbine increased by 0.95% and 1.45%, respectively, compared to those of the reference model.

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