| 1. | Wind turbines, computers in the fields - Zoom in the Lab |
| | The solution may lie in more flexible blades.... A wind turbine is made up of three parts : the tower, which supports the whole assembly, the nacelle, which contains the electricity generator along with the accessory equipment (brake, electronic controller, etc.) and finally the rotor, which is itself made up of the blades and the main shaft.... |
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| 2. | Experimental validation of a flap actuator for helicopter blades - ONERA / DADS-EN |
| | Experimental validation of a flap actuator for helicopter blades - ONERA / DADS-EN... Experimental validation of a flap actuator for helicopter blades... Due to the major progress that has been made in " intelligent " materials, new concepts like active flaps and active blade torsion are now being studied at Onera.... |
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| 3. | Design and Qualification of Rotating Wing Models : Active helicopter blades - ONERA / DADS-EN |
| | Design and Qualification of Rotating Wing Models : Active helicopter blades - ONERA / DADS-EN... Active helicopter blades... As part of research on future helicopter rotors, the development of active twisting blades is being considered to reduce the radiated noise, improve the aerodynamic performance of the blades, and reduce the vibratory level of the main rotors.... |
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| 4. | Numerical optimization of blades for turbomachines - ONERA / DAAP-EN |
| | Numerical optimization of blades for turbomachines - ONERA / DAAP-EN... Numerical optimization of blades for turbomachinery... The objective of shape optimization is to modify the blades in order to reduce losses.... Reduction of the shocks with " Quasi-3D Optimization " of a set of blades of a compressor : alteration of the upper surface... |
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| 5. | Axial Machines - ONERA / DAAP-EN |
| | 3D Navier-Stokes computing codes are tools that are commonly used today to design turbomachinery blades.... The rotor - 37 is a transonic axial compressor, made up of a single rotor with 36 blades and rotating at 17,188 rpm.... 2), both in the inter-platform clearance zone (blade root) and at the tips of the rotor blades (casing treatment).... |
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| 6. | Development of new high temperature bulk materials : superalloys for turbine disks and blades - ONERA / DMSM-EN |
| | Development of new high temperature bulk materials : superalloys for turbine disks and blades - ONERA / DMSM-EN... Development of new high temperature bulk materials : superalloys for turbine disks and blades, titanium aluminides, silicides... Research of new compositions of nickel-based superalloys for disks and blades of gas turbine engines.... |
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| 7. | Numerical simulation of the transitional flow around a fixed blade of a low pressure turbine - ONERA / DSNA-EN |
| | Numerical simulation of the transitional flow around a fixed blade of a low pressure turbine - ONERA / DSNA-EN... |
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| 8. | Large Eddy Simulation of the Flow around a Turbine Blade - ONERA's Science Pictures |
| | Large Eddy Simulation of the Flow around a Turbine Blade - ONERA's Science PicturesWho are we ?Science Pictures... Flow around a Turbine Blade copyright © ONERA 1996-2006. Large Eddy Simulation of the flow around a turbine blade.. Isosurface of vorticity colored according to the pressure. (DSNA). |
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| 9. | Helicopters (HELI3) |
| | Paradigm Blades... Optimising Rotor Blade Tip Shapes... Computation and optimisation : the shock wave is weaker on the blade with a parabolic tip, which is therefore better... Aerodynamic optimisation of the blade tip shape allows a reduction in the strength of the shock waves on the advancing blade of a helicopter rotor flying at high speed, thereby decreasing rotor power required and the noise generated.... |
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| 10. | Helicopters (HELI3) |
| | Paradigm Blades... Optimising Rotor Blade Tip Shapes... |
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