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Fully coupled FSI analysis of Francis turbines exposed to sediment erosion
Kathmandu University, Nepal.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-7599-0895
Kathmandu University, Nepal.
2014 (English)In: International Journal of Fluid Machinery and Systems, ISSN 1882-9554, E-ISSN 1882-9554, Vol. 7, no 3, p. 101-109, article id 9Article in journal (Refereed) Published
Abstract [en]

Sediment erosion is one of the key challenges in hydraulic turbines from a design and maintenance perspective in Himalayas. The present study focuses on choosing the best design in terms of blade angle distribution of a Francis turbine runner which has least erosion effect without influencing the efficiency and the structural integrity. A fully coupled Fluid-Structure-Interaction (FSI) analysis was performed through a multi-field solver, which showed that the maximum stress induced in the optimized design for better sediment handling, is less than that induced in the reference design. Some numerical validation techniques have been shown for both CFD and FSI analysis

Place, publisher, year, edition, pages
2014. Vol. 7, no 3, p. 101-109, article id 9
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-4217DOI: 10.5293/IJFMS.2014.7.3.101Scopus ID: 2-s2.0-84940342877Local ID: 22291c6c-6cbd-4022-b341-e0b1591fd09cOAI: oai:DiVA.org:ltu-4217DiVA, id: diva2:977081
Note
Validerad; 2014; 20140820 (cervante)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Cervantes, Michel

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