| 1. | A Strong Expertise in Turbofan Aeroacoustics - Onera's Technological Offer |
| | A Strong Expertise in Turbofan Aeroacoustics - Onera's Technological OfferWho are we ?Technology Transfer... A Strong Expertise in Turbofan Aeroacoustics. Applications. High-performance, low-noise advanced engine design.... Aeroacoustic optimisation of turbofans.. Environment. Keywords... Engines, Turbofans, Nacelles, Noise reduction, Fan noise sources, Fan performances, Acoustic propagation in ducted fans.. |
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| 2. | Numerical Aero-Acoustics of Fans, Projects in Progress - ONERA / DSNA-EN |
| | Aero-acoustic simulations of counter-rotating turbofan noise lines - 2005-2009... Counter-rotating turbofan... |
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| 3. | CV de Cyril Polacsek - Onera |
| | Rapidly he became a specialist in rotor, propeller and turbofan aeroacoustics and was involved many projects devoted to rotating plant and ducted fan applications for industry partners (Airbus, Safran).... |
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| 4. | Evaluating the local environmental impact of air traffic with IESTA : outputs and validation walkthrough |
| | This section takes the modelling of a new turbofan engine as an example of input data preparation in IESTA / Clean Airport.... Fig. 2 provides an overview of a turbofan model in GSP. · take-off conditions :... Fig. 2 Screenshot of GSP - turbofan model... When modelling a new turbofan in the simulation, the input of the model configuration is ideally the cycle design, or any known reference points of the engine.... |
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| 5. | No title |
| | ICAO Engine Exhaust Emissions Data Bank 3 (turbofans), Swedish Defence Research Agency (turboprops) and Federal Office of Civil Aviation (Swiss confederation) (pistons).... |
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| 6. | ICAS 2008 |
| | Since the initial introduction of jet transport aircraft, the introduction of high bypass ratio turbofans and of low emissions annular combustion systems has resulted in significantly reduced aircraft fuel consumption, noise, NOx and other gaseous emissions.... |
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| 7. | p12 Basora |
| | Engine thermodynamic parameters computed by the Engine Thermo model at pre-processing One of the following emission databases : · Turbofans :... |
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| 8. | 10-Basora.pdf |
| | ICAO Engine Exhaust Emissions Data Bank 3 (turbofans), Swedish Defence Research Agency (turboprops) and Federal Office of Civil Aviation (Swiss confederation) (pistons).... |
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| 9. | 35-Wunderlich.pdf |
| | The specific fuel consumption (S F C) in the range equation (3) is set to 0.5 k g / k g h for high-bypass turbofan engines under cruise flight conditions 1. R= 2.2 Parametric CAD Model The parametric CAD model was built in CATIA V5 5. To change the geometry, a construction table is linked to the model.... |
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| 10. | 36-Enghardt.pdf |
| | Experimental Validation of an Active Stator Technology Reducing Modern Turbofan Engine Noise.... |
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