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논문 기본 정보

저자정보
(Kumsung Engineering & Construction) (Korea University of Science & Technology) (Korea University of Science & Technology) (Korea Water Resources Corporation) (Korea Water Resources Corporation) (Korea Water Resources Corporation)
저널정보
한국신재생에너지학회 신·재생에너지 신재생에너지 제16권 제2호(통권 제64호)
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    초록·키워드

    Recently, turbines operating in hydro power plants are required to undergo renovation and modernization due to their age exceeding 30 years. In the process of renovation or modernization, a performance test of the scaled-down model is necessary to verify the performance of the real-size model. This model test method, with criteria that is similar to that of a real turbine, is the most economical and important method. Furthermore, the shapes of the runner and guide vane can be modified or replaced easily. However, during the process of modernization, the components with the spiral casing and draft tube are impossible to repair or replace because of the buried ground. Thus, in this study, numerical analysis is conducted to investigate the hydraulic performance based on the difference between the two-dimensional computer-aided design (CAD) shape and the real three-dimensional scan shape of the spiral casing and draft tube.

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      UCI(KEPA) : I410-ECN-0101-2020-505-000684940