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Archive | 1993

Experimental Flow Study of the GAMM Turbine Model

François Avellan; Philippe Dupont; Mohamed Farhat; Bernard Gindroz; Pierre Henry; Mahmood Hussain; Etienne Parkinson; Olivier Santal

An experimental study of flow in a Francis hydraulic turbine, especially designed for the GAMM Workshop, has been carried out. In order to provide a data base for the validation and comparison of computational fluid dynamics codes, a Francis turbine model and adequate instrumentation have been specially developed. Measurements of both global and local quantities have been performed for the best operating point of the turbine. A five-hole probe mounted on a remote traversing system provides static pressure and velocity components along three measurement axes in the machine. Pressure transducers mounted on the pressure and suction sides of the rotating blades of the runner provide the pressure distribution over the blades in 28 points (17 on the suction side and 11 on the pressure side) arranged along three theoretical streamlines.


Proceedings of EPRI Symposium on Power Plant Pump | 1987

Towards the prediction of cavitation erosion : IMHEF research program

François Avellan; Pierre Henry


Proceedings of the 13th IAHR Symposium on Hydraulic Machinery, Equipment and Cavitation | 1986

Influence de la chute d'essai et de la nucléation sur les performances en cavitation des modèles de turbines Francis.

François Avellan; Bernard Gindroz; Pierre Henry; P Bachmann; G Vullioud; Marc Wegner


Proceedings of the 17th IAHR Symposium on Hydraulic machines and cavitation, Beijing, China | 1994

Geometry Recovery of a Francis Runner Prototype at Site

Christophe Dumoulin; François Avellan; Pierre Henry


Proceedings of the 14th IAHR Symposium on Hydraulic Machinery : Progress within Large and High Specific Energy Units | 1988

Similarity rules of cavitation tests : the case of the Francis turbine

Bernard Gindroz; François Avellan; Pierre Henry


Proceedings of the 17th IAHR Symposium on Hydraulic machinery and cavitation Beijing, China | 1994

Mechanism of the Efficiency Drop due to traveling Bubble Cavitation

Christophe Arn; François Avellan; Pierre Henry


Proceedings of IAHR 15th Symposium on Modern Technology in Hydraulic Energy Production, Belgrade, Yugoslavia | 1990

Similarity of cavitation inception in Francis turbine

Bernard Gindroz; Pierre Henry; François Avellan


Proceedings of 15th IAHR Symposium on Modern Technology in Hydraulic Energy Production, Belgrade, Yugoslavia | 1990

Guidelines for performing cavitation tests

Bernard Gindroz; François Avellan; Pierre Henry


Proceedings of the 12th IARH symposium on Hydraulic Machinery in the Energy Related Industries | 1984

Theoretical and experimental study of the inlet and outlet cavitation in a model of a Francis turbine

François Avellan; Pierre Henry


Proceedings of the 12th IAHR Symposium on Hydraulic Machinery in the Energy Related Industries, Stirling, England, 27-30 August | 1984

Scale effect concerning hydraulic quasi-stationary oscillations on a turbine model and test circuit

Pierre Henry; Jean Emile Graeser; Jean Eustache Prenat; Marc Wegner

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François Avellan

École Polytechnique Fédérale de Lausanne

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Bernard Gindroz

École Polytechnique Fédérale de Lausanne

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Etienne Parkinson

École Polytechnique Fédérale de Lausanne

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Christophe Arn

École Polytechnique Fédérale de Lausanne

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Mahmood Hussain

École Polytechnique Fédérale de Lausanne

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Mohamed Farhat

École Polytechnique Fédérale de Lausanne

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Olivier Santal

École Polytechnique Fédérale de Lausanne

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Philippe Dupont

École Polytechnique Fédérale de Lausanne

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J M Dorey

Électricité de France

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