Isabelle Stoudmann Schmutz

SCCER-SoE Annual Conference 2019 - Hydropower and Geo-Energy in Switzerland: Challenges and Perspectives, EPFL Lausanne, Switzerland, September 3-4, 2019.

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2018

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Thèses

Pumps running as turbines for energy recovery in water supply systems

J. N. Gomes Borga Delgado / F. Avellan; D. I. Cameira Covas (Dir.)

Lausanne, EPFL, 2018. DOI : 10.5075/epfl-thesis-9036.

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Two-phase flow phenomena in hydraulic turbines and pump-turbines operating in synchronous condenser mode

E. Vagnoni / F. Avellan; L. Andolfatto (Dir.)

Lausanne, EPFL, 2018. DOI : 10.5075/epfl-thesis-8740.

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Dynamics and Optimal Control of Self-Sustained Instabilities in Laminar and Turbulent Swirling Flows: Application to the Part Load Vortex Rope in Francis Turbines

S. Pasche / F. Avellan; F. Gallaire (Dir.)

Lausanne, EPFL, 2018. DOI : 10.5075/epfl-thesis-8363.

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2017

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Thèses

Dynamics of the cavitation precessing vortex rope for Francis turbines at part load operating conditions

A. T. Favrel / F. Avellan (Dir.)

Lausanne, EPFL, 2016. DOI : 10.5075/epfl-thesis-6880.

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2015

Lausanne, EPFL, 2014. DOI : 10.5075/epfl-thesis-6183.

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2013

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Papiers de conférences

Hysteresis phenomena in hydraulic measurement

H. J. Ran; X. W. Luo; Y. L. Chen; H. Y. Xu; M. Farhat

2013. 26th IAHR Symposium on Hydraulic Machinery and Systems, Beijing, PEOPLES R CHINA, AUG 19-23, 2012. DOI : 10.1088/1755-1315/15/6/062048.

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FPM Flow Simulations Using an Adaptive Domain Decomposition Strategy

C. Vessaz; E. Jahanbakhsh; F. Avellan

2013. 8th international SPHERIC workshop, SINTEF, Trondheim, Norway, June 4-6, 2013. p. 227-232.

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Interaction of a pulsating vortex rope with the local velocity field in a Francis turbine draft tube

A. Müller; A. Bullani; M. Dreyer; S. Roth; A. Favrel et al.

2013. 26th IAHR Symposium on Hydraulic Machinery and Systems, Beijing, China, August 19-23, 2012. p. 032040. DOI : 10.1088/1755-1315/15/3/032040.

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Thèses

Hydrodynamics of orbital shaken bioreactors

M. Reclari / M. Farhat (Dir.)

Lausanne, EPFL, 2013. DOI : 10.5075/epfl-thesis-5759.

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The effect of pressure gradient on the collapse of cavitation bubbles in normal and reduced gravity

M. Tinguely / M. Farhat (Dir.)

EPFL, 2013. DOI : 10.5075/epfl-thesis-5674.

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Présentations

Numerical investigations of the dynamics of the full load vortex rope in a Francis turbine.

O. Braun; A. Taruffi; N. Ruchonnet; A. Müller; F. Avellan

5th International Workshop on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Lausanne, Switzerland, September 8-11.

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2012

S. Tissot; A. Oberbek; M. Reclari; M. Dreyer; D. L. Hacker et al.

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Benefits of Variable Speed Pumped storage Units in Mixed Islanded Power Network during Transient Operation

C. Nicolet; Y. Pannatier; B. Kawkabani; A. Schwery; F. Avellan et al.

2009. HYDRO 2009, 16th annual Hydro Conference, Lyon, France, October 26-28, 2009.

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Design and Performance Assessment of a Tidal Ducted Turbine

C. Munch; M. Vonlanthen; J. Gomes; R. Luquet; P. Guinard et al.

2009. 3rd IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Brno, Czech Republic, October 14-16, 2009.

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ACOUSTIC RESONNANCE IN CAVITATION FREE AND CAVITATING FLOWS

N. Ruchonnet; C. Nicolet; S. Alligné; F. Avellan

2009. 3rd IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Brno, October 14-16, 2009. p. 501-514.

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Thèses

Turbulent vortex shedding from a blunt trailing edge hydrofoil

P. Ausoni / F. Avellan; M. Farhat (Dir.)

Lausanne, EPFL, 2009. DOI : 10.5075/epfl-thesis-4475.

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Part load flow in radial centrifugal pumps

O. Braun / F. Avellan (Dir.)

Lausanne, EPFL, 2009. DOI : 10.5075/epfl-thesis-4422.

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Investigations of time dependent flow phenomena in a turbine and a pump-turbine of Francis type

A. Zobeiri / F. Avellan (Dir.)

Lausanne, EPFL, 2009. DOI : 10.5075/epfl-thesis-4272.

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2008

Articles de journaux

Analysis of the Cavitating Draft Tube Vortex in a Francis Turbine Using Particle Image Velocimetry Measurements in Two-Phase Flow

M. S. Iliescu; G. Dan Ciocan; F. Avellan

Journal of Fluids Engineering. 2008. DOI : 10.1115/1.2813052.

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One-Dimensional Analysis of Full Load Draft Tube Surge

C. Chen; C. Nicolet; K. Yonezawa; M. Farhat; F. Avellan et al.

2008. Hydro 2008 Conference, Ljubljana, Slovenia, October 6-8, 2008.

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Rotor-Stator Interaction Induced Pressure Fluctuations: CFD and Hydroacoustic Simulations in the Stationary Components of a Multistage Centrifugal Pump

S. Berten; P. Dupont; M. Farhat; F. Avellan

2007. FEDSM 2007, San Diego, July 30 - August 2, 2007.

Lausanne, EPFL, 2007. DOI : 10.5075/epfl-thesis-3715.

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Présentations

On Cavitation Bubbles and Their Interaction With a Free Surface

M. Farhat

2nd IAHR International Meeting on cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Timisoara, Romania, October 24-26, 2007.

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2006

Posters

Microgravity Experiment: Cavitation Studies Inside Water Drops

D. Obreschkow; P. Kobel; N. Dorsaz; A. de Bosset; M. Farhat

57th International Astronautical Congress IAC, Valencia, Spain, 2006.

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2005

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Thèses

Physical modelling of leading edge cavitation

Y. Aït Bouziad / F. Avellan; M. Farhat (Dir.)

Lausanne, EPFL, 2005. DOI : 10.5075/epfl-thesis-3353.

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2004

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2003

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2 [two] Phase PIV Measurements at the Runner Outlet in a Francis Turbine

M. S. Iliescu; G. D. Ciocan; F. Avellan

2003.

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New Technology for high Disinfection Level of Flexible Endoscopes

C. Nicolet; F. Avellan

2003.

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Transient Phenomena in Francis Turbine Power Plants : Interaction with the Power Network

C. Nicolet; F. Avellan; P. Allenbach; A. Sapin; J. J. Simond et al.

2003.

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New Tools for the Simulation of Transient Phenomena in Francis Turbine Power Plants

C. Nicolet; F. Avellan; P. Allenbach; A. Sapin; J. J. Simond

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2000

Lausanne, EPFL, 2000. DOI : 10.5075/epfl-thesis-2112.

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1999

Articles de journaux

Experimental investigation on forces due to vortex cavitation collapse for different materials

X. Escaler; P. Dupont; F. Avellan

R. Hirschi; P. Dupont; F. Avellan

Analyse et prédiction de la baisse de rendement des turbines Francis par cavitation à bulles

C. Arn / F. Avellan (Dir.)

Lausanne, EPFL, 1998. DOI : 10.5075/epfl-thesis-1799.

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Prédiction par modélisation numérique tridimensionnelle des effets de la cavitation à poche dans les turbomachines hydrauliques

R. Hirschi / F. Avellan (Dir.)

Lausanne, EPFL, 1998. DOI : 10.5075/epfl-thesis-1777.

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1997

Articles de journaux

Etude théorique et expérimentale de la baisse de rendement des turbines Francis par cavitation à bulles

C. Arn; P. Dupont; F. Avellan

La Houille Blanche. 1997.

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Cavitation Erosion Prediction on Francis Turbines

L. Bellet; E. Laperrousaz; J. M. Dorey; P. Bourdon; M. Farhat et al.

Hydropower & Dams. 1997.

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1996

Fluctuations de pression des turbines Francis : résultats d'essai sur modèle et prototype

T. Jacob; J. E. Prenat; C. Perusset; G. Buffet; F. Avellan et al.

1996. p. 10839.

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Articles de journaux

Model Testing for Upgrading and Refurbishment Projects

H. P. Mombelli; F. Avellan

La cavitation : mécanismes physiques et aspects industriels

J.-P. D. Franc; F. Avellan; B. Belahadji; J.-Y. Billard; L. Briançon-Marjollet et al.

Grenoble: Presses universitaires de Grenoble PUG.

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1994

Papiers de conférences

Mechanism of the Efficiency Drop due to traveling Bubble Cavitation

C. Arn; F. Avellan; P. Henry

1994. 17th IAHR Symposium on Hydraulic machinery and cavitation, Beijing, China, September 15-19, 1994. p. 497-508.

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Nuclei Content Control during Model Tests

F. Avellan; C. Arn

1994. Modelling Testing & Monitoring for Hydro Powerplants, Budapest, Hungary, July 11-13, 1994. p. 391-402.

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Dynamic calibration of transient sensors by spark generated cavity

F. Pereira; M. Farhat; F. Avellan

1993.

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Cavitation erosion, impact intensity and pit size distribution of jet and vortex cavitation

R. Simoneau; P. Bourdon; M. Farhat; F. Avellan; J. M. Dorey

1993. ASME Winter Annual Meeting, New Orleans, Louisiana, USA, November 28-December 3, 1993. p. 69-78.

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1992

Articles de journaux

Calcul de poche de cavitation sur des profils de machines hydrauliques

P. Dupont; F. Avellan; A. Fothi

La Houille Blanche. 1992.

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B. Gindroz; P. Henry; F. Avellan

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Hydraulic analysis of flow computation results

O. Santal; F. Avellan

1992. 16th Symposium of the IAHR, section on hydraulic machinery and cavitation : Large and medium size hydraulic machinery and installations from planning to operation, Sao Paolo, Brésil, 14th to 18th September 1992. p. 545-554.

Papiers de conférences

Cavitation erosion power

F. Avellan; P. Dupont; M. Farhat

1991. Cavitation'91, 1st ASME-JSME Fluid Engineering conference, Portland (Oregon), USA, 23-27 June, 1991. p. 135-140.

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Numerical computation of a leading edge cavity

P. Dupont; F. Avellan

1991. Cavitation'91, 1st ASME-JSME Fluid Engineering Conference, Portland (Oregon), USA, 23-27 June, 1991. p. 47-54.

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1990

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Livres

Rapport d'activité 1990 Groupe EVA

F. Avellan; M. Hussain; E. Parkinson; O. Santal

Lausanne: IMHEF/EPFL.

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1989

Papiers de conférences

Shock pressure generated by cavitation vortex collapse

F. Avellan; M. Farhat

1989. Third International Symposium on Cavitation Noise and Erosion in Fluid System, San Francisco, California, USA, December 10-15, 1989. p. 119-125.

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Simulation d'écoulement partiellement cavitant sur un profil tronqué monté en veine, confrontation avec des mesures de pression

J.-N. Favre; F. Avellan; Y. Kuhn De Chizelle

1989. p. I.19.1-I.19.8.

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Papiers de conférences

Cavitation erosion of the hydraulic machines : generation and dynamics of erosive cavities

F. Avellan; P. Dupont

1988. 14th IAHR Symposium on Hydraulic Machinery : Progress within Large and High Specific Energy Units, Trondheim, Norway, June 20-23, 1988. p. 725-738.

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Etude du sillage d'une poche de cavitation partielle se développant sur un profil hydraulique bi-dimensionnel. SHF, Paris, mars 1988

F. Avellan; P. Dupont

1988.

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Generation mechanism and dynamics of cavitation vortices downstream of a fixed leading edge cavity

F. Avellan; P. Dupont; I. L. Ryhming

1988. p. 1-13.

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Dynamique des cavités érosives : étude du collapse des vortex cavitants SHF, Paris, mars 1988

F. Avellan; M. Farhat

1988.

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

B. Gindroz; F. Avellan; P. Henry

1988. 14th IAHR Symposium on Progress within large and high specific energy units, Trondheim, Norway, 20-23 June, 1988. p. 755-766.

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1987

Papiers de conférences

Wake flow analysis for a hydrofoil with and without hydroelastic lock-in

F. Avellan; P. Dupont; M. Wegner

1987. International Conference on Flow Induced Vibrations, Bowness-on-Windermere, UK, May 12-14, 1987. p. 417-426.

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Towards the prediction of cavitation erosion : IMHEF research program

F. Avellan; P. Henry

1987. p. 1-22.

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A new high speed cavitation tunnel for cavitation studies in hydraulic machinery. ASME, Boston, December1987

F. Avellan; P. Henry; I. L. Ryhming

1987. p. 49-60.

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Dynamics of vortex cavitation involved in the erosion of hydraulic machines

F. Avellan; A. Karimi

1987. 7th International Conference on Erosion by Liquid and Solid Impact, Cambridge, UK, September 6-10, 1987. p. pp. 25.1-25.8.

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1986

Publications

Publications Infoscience

LMH PUBLICATIONS

2020

Articles de journaux

Computational parametric analysis of the design of cross-flow turbines under constraints

Suppressing tip-leakage vortex cavitation by overhanging grooves

Multiscale simulation of erosive wear in a prototype-scale Pelton runner

Open-Source Implementation and Validation of a 3D Inverse Design Method for Francis Turbine Runners

Swirl number based transposition of flow-induced mechanical stresses from reduced scale to full-size Francis turbine runners

Hydrodynamic mechanisms of aggressive collapse events in leading edge cavitation

Dynamic behaviour of a Francis turbine during voltage regulation in the electrical power system

Large eddy simulation of the tip-leakage cavitating flow with an insight on how cavitation influences vorticity and turbulence

GPU-accelerated numerical analysis of jet interference in a six-jet Pelton turbine using Finite Volume Particle Method

Evaluation of a Dynamic Transfer Matrix for a Hydraulic Turbine

Thèses

Physical Mechanism and Flow Control of Tip Vortex Cavitation

2019

Articles de journaux

Gravity-Independent Oscillate Boiling

Mitigating tip vortex cavitation by a flexible trailing thread

How Flow Reduction Influences the Intracranial Aneurysm Occlusion: A Prospective 4D Phase-Contrast MRI Study

Suppressing tip vortex cavitation by winglets

Physical Mechanism of Interblade Vortex Development at Deep Part Load Operation of a Francis Turbine

Numerical and experimental investigation of shedding mechanisms from leading-edge cavitation

Procedure for predicting part load resonance in Francis turbine hydropower units based on swirl number and local cavitation coefficient similitude

LES investigation of the influence of cavitation on flow patterns in a confined tip-leakage flow

Optimal Control of Part Load Vortex Rope in Francis Turbines

FVPM numerical simulation of the effect of particle shape and elasticity on impact erosion

On the physical mechanism of tip vortex cavitation hysteresis

Unsteady Flow Numerical Simulations on Internal Energy Dissipation for a Low-Head Centrifugal Pump at Part-Load Operating Conditions

Cavitation induction by projectile impacting on a water jet

Oxygen diffusion through air–water free surfaces in a pump–turbine operating in condenser mode

Dynamic modal analysis during reduced scale model tests of hydraulic turbines for hydro-acoustic characterization of cavitation flows

Detailed experiments on weakly deformed cavitation bubbles

Numerical analysis for detecting head losses in trifurcations of high head in hydropower plants

Prediction of hydro-acoustic resonances in hydropower plants by a new approach based on the concept of swirl number

Multiscale Simulation of the Hydroabrasive Erosion of a Pelton Bucket: Bridging Scales to Improve the Accuracy

Variable speed operation of centrifugal pumps running as turbines. Experimental investigation

Hill chart modelling using the Hermite polynomial chaos expansion for the performance prediction of pumps running as turbines

Neurovascular stent artifacts in 3D-TOF and 3D-PCMRI: Influence of stent design on flow measurement

Papiers de conférences

GPU-accelerated Pelton turbine simulation using finite volume particle method coupled with linear eddy viscosity models

Numerical investigation of the jet velocity profile and its influence on the Pelton turbine performance

Experimental and numerical investigations of a high-head pumped-storage power plant at speed no-load

On the hysteresis of cavitation incipience and desinence in hydraulic machines

Roll-up region of tip vortex: numerical investigation

Simulation of the hydroabrasive erosion of a bucket: A multiscale model with projective integration to circumvent the spatio-temporal scale separation

High-speed imaging of high pressures produced by cavitation bubbles

Reduced scale model testing for prediction of eigenfrequencies and hydro-acoustic resonances in hydropower plants operating in off-design conditions

Reviews

Analysis of emerging technologies in the hydropower sector

Thèses

GPU-Accelerated Finite Volume Particle Simulation of Free Jet Deviation by Multi-jet Rotating Pelton Runner

Predicting the dynamic behavior of Francis turbine generating units

Multiscale Modeling and Simulation of Erosive Wear in Pelton Turbines

Posters

Hydro-structural investigation of a 100 MW Francis turbine based on experimental tests and numerical simulations

2018

Articles de journaux

Interaction of a rotating two-phase flow with the pressure and torque stability of a reversible pump-turbine operating in condenser mode.

Jetting from cavitation bubbles due to multiple shockwaves

Rebounds of deformed cavitation bubbles

Monitoring a Francis Turbine Operating Conditions

Onset of chaos in helical vortex breakdown at low Reynolds number

Experimental investigation of the sloshing motion of the water free surface in the draft tube of a Francis turbine operating in synchronous condenser mode

New insight in Francis turbine cavitation vortex rope: role of the runner outlet flow swirl number

Production cross sections of hyperons and charmed baryons from e+e− annihilation near s=10.52 GeV

Angular analysis of the e+e−→D(*)±D*∓ process near the open charm threshold using initial-state radiation

A novel approach to surface tension modelling with the Finite Volume Particle Method

GPU-Accelerated 3-D Finite Volume Particle Method

3D phase contrast MRI: Partial volume correction for robust blood flow quantification in small intracranial vessels

RANS computations of a confined cavitating tip-leakage vortex

Rotating air-water ring in the vaneless gap of a pump-turbine operating in condenser mode

Hydraulic performance evaluation of a micro-turbine with counter rotating runners by experimental investigation and numerical simulation

Predictive control of spiral vortex breakdown

Papiers de conférences

Air-Water Ring in the Vaneless Gap of a Reversible Pump-Turbine Operating in Condenser Mode

U-RANS Simulations and PIV Measurements of a Self-excited Cavitation Vortex Rope in a Francis Turbine

Angular analysis of the e+e−→D()±D∓ process near the open charm threshold using initial-state radiation

Measurement of the tau Lepton Polarization and R(D) in the Decay (B)over-bar -> D tau(-) (v)over-bar(tau)

Measurement of the branching ratio of (B)over-bar(0) -> D(+)tau(-)(nu)over-bar(tau) relative to (B)over-bar(0) -> D(+)l(-)(nu)over-bar(l) decays with a semileptonic tagging method