자가발전효율 향상을 위한 유수관내 블레이드 형상의 모델링 및 해석Modeling of Blades to Enhance Self-Power Generation in Pipe Flow
- Other Titles
- Modeling of Blades to Enhance Self-Power Generation in Pipe Flow
- Authors
- 여인환; 김도윤; 백종후; 신민철; 박재우; 이영진
- Issue Date
- Jun-2010
- Publisher
- 대한상하수도학회
- Keywords
- Blade; Pitch angle; Self power generation; Pipe flow; 블레이드; 날개 각도; 자가발전; 관내유수
- Citation
- 상하수도학회지, v.24, no.3, pp.277 - 285
- Indexed
- KCI
- Journal Title
- 상하수도학회지
- Volume
- 24
- Number
- 3
- Start Page
- 277
- End Page
- 285
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174561
- ISSN
- 1225-7672
- Abstract
- We examined the optimal shape of blades and efficiency of a self-power generator when the self-power generator using flow of the water in pipe as the power source was installed. Selected factors were the shape of blades, the number of blades, pitch angle, and the existence of separator. GAMBIT2.4 was used as a modeling program, FLUENT6.3, which is computational fluid dynamics simulation program, was used as an analytical model. In the case of a viscous model, k-epsilon standard model was chosen. As a result, when the number of blades was increased, the efficiency and maximum moment were enhanced slightly. The pitch of blades went up, and maximum moment was also increased. The optimal pitch of blade was 62.5 degree and the efficiency was increased by 30%. The efficiency was also increased when a separator was installed.
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