지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.12 No.2
- 발행연도
- 2019.6
- 수록면
- 109 - 118 (10page)
- DOI
- 10.5293/IJFMS.2019.12.2.109
이용수
이 논문의 연구 히스토리 (3)
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초록· 키워드
오류제보하기
Sediment erosion is the main problem for the hydropower situated in South Asia and South America. Due to sediment erosion, hydropower in those areas cannot operate in their full potential. Sediment erosion is a significant problem in turbomachinery and associated with degradation of turbine performance. The sediment erosion removes the turbine material from its surface. It can cause fracture of the turbine, which leads to an economic loss. In this paper, the sediment properties and its influence on erosion have discussed. Sediment properties like shape, size, and concentration have a direct influence on erosion. The numerical analysis was conducted to visualize the erosion in Francis hydro turbine. The most vulnerable area for the sediment erosion in Francis hydro turbine has predicted. The precise prediction of the sediment erosion in the turbine is the difficult task due to the synergetic effect of sediment parameters (shape, size, concentration, hardness, velocity). The accurate and precise indication of the sediment erosion required both experimental and computational analysis. In this study, solid-fluid computational analysis has done to identify the susceptible area on runner blade and influence of sediment parameters on erosion.
목차
Abstract
1. Introduction
2. Erosion Mechanism
3. Computational Methodology
4. Result and Discussion
5. Conclusion
References
참고문헌 (16)
참고문헌 신청
Hamed, A. / 2006 / Erosion and Deposition in Turbomachinery / Journal of Propulsion and Power 22(2):350~360
Poudel, L. / 2010 / Erosive effect on hydro-mechanical components: A case study Roshi Khola in Nepal / 6th International Conference on Hydropower
King, H. M. / Mohs Hardness Scale: Minerals / Geology
Koirala, R. / 2015 / Analysis of sediment samples and erosion potential: A case study of Upper Tamakoshi hydroelectric project / Hydro Nepal :28~31
Finnie, I. / 1960 / Erosion of surfaces by solid particles / Wear 3:87~103
Poudel, L. / 2010 / Erosive effect on hydro-mechanical components: A case study Roshi Khola in Nepal / 6th International Conference on Hydropower
King, H. M. / Mohs Hardness Scale: Minerals / Geology
Koirala, R. / 2015 / Analysis of sediment samples and erosion potential: A case study of Upper Tamakoshi hydroelectric project / Hydro Nepal :28~31
Finnie, I. / 1960 / Erosion of surfaces by solid particles / Wear 3:87~103
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UCI(KEPA) : I410-ECN-0101-2019-554-000987993