Concept

Blade Runner

Related publications (25)

Fabrication of high adhesion cm-scale compliant electrodes for dielectric elastomer transducers using O2 plasma activation

Herbert Shea, Samuel Rosset, Oluwaseun Adelowo Araromi

We present a novel methodology for the production of PDMS-carbon powder electrodes with high adhesion for dielectric elastomer (DE) transducers. DE transducers have received significant interest in recent years due to their potential as stretchable-flexibl ...

2014

Design optimization of a 2D blade by means of milling tool path

François Avellan, Christian Vessaz, Christophe Tournier

In a conventional design and manufacturing process, turbine blades are modeled based on reverse engineering or on parametric modeling with Computer Fluids Dynamics (CFD) optimization. Then, only raises the question of the manufacturing of the blades. As th ...

2013

Experimental Aeroelastic Investigation of Vibrating Turbine Blade Clusters

Peter Ott, Achim Zanker

This paper presents and discusses unsteady experimental results of controlled vibration measurements of blade-cluster and single-blade test cases, all subjected to the same subsonic ow conditions. The experiments were performed in a non-rotating annular te ...

2013

Experimental Aeroelastic Analysis of Clustered Turbine Blades Vibrating in Mixed Torsion/Bending Mode

Peter Ott, Achim Zanker

The American Institute of Aeronautics and Astronautics2013

Experimental Aeroelastic Investigation of Vibrating Turbine Blade Clusters

Peter Ott, Achim Zanker

The presented work consists of the presentation and discussion of unsteady experimental results of controlled vibration measurements for two single-blade and two cluster test cases subjected to the same subsonic flow conditions. The experiments were perfor ...

Lappeenranta University of Technology2013

Mathematical modelling of swirling flow in hydraulic turbines for the full operating range

François Avellan

We introduce and validate a novel mathematical model for computing the radial profiles of both axial and circumferential velocity components, respectively, of the swirling flow exiting the runner of hydraulic turbines within the full operating range. We as ...

Elsevier2011

Large-eddy simulation of a very large wind farm in a stable atmospheric boundary layer

Fernando Porté Agel, Hao Lu

When deployed as large arrays, wind turbines significantly interact among themselves and with the atmospheric boundary layer. In this study, we integrate a three-dimensional large-eddy simulation with an actuator line technique to examine the characteristi ...

American Institute of Physics2011

CFD prediction of unsteady wicket gate-runner interaction in Francis turbines: A new standard hydraulic design procedure

Mohamed Farhat

GE Energy Hydro has developed a new procedure for the CFD analysis of the unsteady rotor-stator interaction between the wicket gates and runner blades of Francis turbines. The results from the CFD calculations have been successfully validated by means of h ...

2005

Cavitation Erosion Prediction in Hydro Turbines from Onboard Vibrations

François Avellan, Mohamed Farhat, Eduard Egusquiza

The current work intends to improve the cavitation erosion prediction methodology in hydro turbines by the use of onboard vibration measurements taken on the rotating shaft. For that, a measuring campaign in two similar Francis turbine prototypes has been ...

International Association For Hydraulic Research2004

Onboard Measurements of Pressure and Strain Fluctuations in a Model of low Head Francis Turbine. Part 1 : Instrumentation

François Avellan, Mohamed Farhat, Michel Couston, Silvia Natal

In this first part of a 2 papers series, we present the experimental procedure for onboard measurement of pressure and strain fluctuation in a model of low head Francis turbine. 28 miniature pressure sensors are fitted in the pressure and suction sides of ...

International Association For Hydraulic Research2002

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