PREDHYMA

News

This section gives a general overview over recent publications, conference participations and miscellaneous.

 

Most recent articles


Most recent articles


EU Framework

Tuesday 26 May 2015
Grant agreement for: Initial Training Networks Call identifier: FP7-PEOPLE-2013-ITN Implementation mode: EID Project acronym: PREDHYMA Grant agreement no.: 608393 Project full title: Prediction of Erosion Damages in Hydraulic (...)


Miscellaneous

Thursday 19 March 2015


Publications

Thursday 19 March 2015


Conferences

Thursday 19 March 2015
During the Conference on SPH and Particular Methods for Fluids and Fluid Structure Interaction which took place the 21st and 22nd January 2015 at the University of Lille in France, Jorge Nunez presented his work with his presentation "An interface-energy-conserving approach for the coupling of (...)


PhD Students

Thursday 19 March 2015
The following PhD-students are working on their respective research topics: HYDRO ABRASIVE EROSION Wiebke Boden Ecole centrale de Lyon wiebke.boden@doctorant.ec-lyon.fr GRAVELS AND STONES IMPACTS Jorge Nunez Institut national des sciences appliquées de Lyon (...)


Hydro-abrasive erosion

Thursday 19 March 2015
Turbines of hydropower plants suffer from a gradual damage caused by the impact of small sediments, which are contained in stream waters. This gradual damage leads to a change of shape of the turbine buckets so that the efficiency of the machine can be found to decrease rapidly. Costly (...)


Gravels and stones impact

Thursday 19 March 2015
Gravels and stones found in streams can become a severe nuisance to the operation of a hydropower plant. In the case of a Pelton turbine, the momentum of stones impacting one or many of its buckets can cause them to crack or break, which indeniably leads to the immediate cease of operations of (...)


Droplets impact erosion

Thursday 19 March 2015
The present doctoral work is related to the erosion arising from repeated impacts of high speed water droplets on specific parts of Pelton turbines. Indeed for high head Pelton units, the jet of water is composed of a liquid core surrounded by droplets. Observations show that regions of impact (...)


Cavitation erosion

Thursday 19 March 2015
Cavitation is the process of developing vapor bubbles in a liquid flow by decreasing in pressure at almost constant temperature. Erosion by cavitation appears in flow regions where unsteady cavitation pockets exist. It is well known that cavitation can have detrimental consequences in rotating (...)


Partners

Thursday 19 March 2015
Research and industry partners collaborating in the Predhyma project: Andritz Hydro SA Rue des Deux-Gares 6, 1800 Vevey, Switzerland +41 21 925 77 00 Andritz Hydro SAS 13, Avenue Albert Einstein, 69100 Villeurbanne, France +33 4 37 42 11 43 Ecole Centrale de Lyon - Laboratoire de (...)

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