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Numerical simulation of the cavitation micro-jet velocity and erosion on a plane-convex hydrofoil with semicylindrical obstacle
dc.contributor.author | Hidalgo, V |
dc.contributor.author | Luo, X |
dc.contributor.author | Escaler Puigoriol, Francesc Xavier |
dc.contributor.author | Valencia, E. |
dc.contributor.author | Cruz, P |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Mecànica de Fluids |
dc.date.accessioned | 2019-01-22T11:57:51Z |
dc.date.issued | 2018 |
dc.identifier.citation | Hidalgo, V., Luo, X., Escaler, X., Valencia, E., Cruz, P. Numerical simulation of the cavitation micro-jet velocity and erosion on a plane-convex hydrofoil with semicylindrical obstacle. A: Symposium on Hydraulic Machinery and Systems. "Proceedings of the 29th IAHR Symposium on Hydraulic Machinery and Systems". 2018, p. 1-5. |
dc.identifier.uri | http://hdl.handle.net/2117/127333 |
dc.description.abstract | The present study deals with the numerical study of the cavitation micro–jet velocity and erosion on a plane–convex hydrofoil with semicylindrical obstacle, which induces a big cluster of cavities with a strong erosive power. The proposed model predicts micro-jet velocities based on energy conservation by assuming potential and kinetic energies at the start and the end of the cavity collapses. Homogeneous mixture flow, implicit LES and Zwart-Gerber-Belamri cavitation model have been used for the numerical simulation of the unsteady cavitating flow using OpenFOAM, whilst for the micro-jet estimation, Python language coupled with OpenFOAM’s calculator have been used. Results clearly show that the implemented model captures adequately the phenomenon and enables to identify attacked areas. Outcomes agree reasonably with the experimental results obtained by Escaler at the High Speed Cavitation Tunnel of the ´ Ecole Polytechnique Fédérale de Lausanne (EPFL). Furthermore, the proposed model has been compared with Li’s and Peters’ ones for a better understating of the improvements. |
dc.format.extent | 5 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica de fluids |
dc.subject.lcsh | Cavitation erosion |
dc.subject.other | Cavitation-erosion |
dc.subject.other | Micro-jet velocity |
dc.subject.other | OpenFOAM |
dc.subject.other | Plane–convex hydrofoil |
dc.title | Numerical simulation of the cavitation micro-jet velocity and erosion on a plane-convex hydrofoil with semicylindrical obstacle |
dc.type | Conference lecture |
dc.subject.lemac | Mecànica de fluids |
dc.contributor.group | Universitat Politècnica de Catalunya. CDIF - Centre de Diagnòstic Industrial i Fluidodinàmica |
dc.description.peerreviewed | Peer Reviewed |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 23385806 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Hidalgo, V.; Luo, X.; Escaler, X.; Valencia, E.; Cruz, P. |
local.citation.contributor | Symposium on Hydraulic Machinery and Systems |
local.citation.publicationName | Proceedings of the 29th IAHR Symposium on Hydraulic Machinery and Systems |
local.citation.startingPage | 1 |
local.citation.endingPage | 5 |