Sediment Erosion in Hydraulic Turbines

α
Dr. Hari Prasad Neopane
Dr. Hari Prasad Neopane
σ
Ole Gunnar Dahlhaug
Ole Gunnar Dahlhaug
ρ
Michel Cervantes
Michel Cervantes
α Kathmandu University

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Sediment Erosion in Hydraulic Turbines

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Abstract

Sediment erosion not only reduces efficiency and life of hydropower turbines but also causes problems in operation and maintenance. Several factors are responsible for this erosion in hydro turbine components. This paper presents the sediment erosion types in hydraulic turbines and their components based upon an extensive literature review and the field observation at Cahua hydropower plant, Peru. It includes some recommended methods to minimize the effect of sediment erosion in the turbine components. An alternative design of a Francis turbine in sediment-laden water is also briefly discussed.

References

16 Cites in Article
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  2. H Brekke,Y Wu,B Cai (2002). Design of Hydraulic Machinery Working in Sand Laden Water.
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  4. I Finnie (1972). Some observations on the erosion of ductile metals.
  5. I Finnie (1960). Erosion of surfaces by solid particle.
  6. D Naidu (1999). Silting Problems in Hydro Power Plants.
  7. Hari Neopane,Ole Prasad,M Dahlhaug,Eltvik (2010). Numerical prediction of particle shape factor effect on sediment erosion in Francis turbine blades.
  8. Hari Neopane,Ole Prasad,B Dahlhaug,Thapa (2007). Alternative Design of a Francis Turbine for sand-laden water.
  9. Hari Neopane,Ole Prasad,B Dahlhaug,Thapa (2009). Experimental examination of the effect of particle size and shape in hydraulic turbines.
  10. Hari Neopane,Prasad (2010). Sediment erosion in hydro turbines.
  11. Ole Gunnar Dahlhaug,P Skåre (2009). Development of a sediment resistive Francis runner.
  12. Ole Gunanr Dahalhaug,P Skåre,V Mossing,A Gutierrez (2010). Erosion resistant coatings for Francis runners and Guidevanes.
  13. M Padhy,R Saini (2009). Effect of size and concentration of silt particles on erosion of Pelton turbine buckets.
  14. S Kurosawa,T Suzuki,L Maw (2010). Numerical model testing to enhance performance and reduce cost of Francis units.
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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. Hari Prasad Neopane. 1970. \u201cSediment Erosion in Hydraulic Turbines\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 11 (GJRE Volume 11 Issue A6): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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Sediment erosion not only reduces efficiency and life of hydropower turbines but also causes problems in operation and maintenance. Several factors are responsible for this erosion in hydro turbine components. This paper presents the sediment erosion types in hydraulic turbines and their components based upon an extensive literature review and the field observation at Cahua hydropower plant, Peru. It includes some recommended methods to minimize the effect of sediment erosion in the turbine components. An alternative design of a Francis turbine in sediment-laden water is also briefly discussed.

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Sediment Erosion in Hydraulic Turbines

Dr. Hari Prasad Neopane
Dr. Hari Prasad Neopane Kathmandu University
Ole Gunnar Dahlhaug
Ole Gunnar Dahlhaug
Michel Cervantes
Michel Cervantes

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