Efficient rotor aerodynamics predictions with an Euler method

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(1)29th European Rotorcraft Forum, Friedrichshafen, 16-18 September 2003 Tuesday 16 September 2003 (Cont´d) 13:30. AHS BEST PAPER. Ludwig-Dürr-Saal. 14:00. Ludwig-Dürr-Saal Alfred-Colsmann-Saal. Session 1: Acoustics 1 Chairman:. Session 2: Dynamics 1 Chairman:. (1) Influence of a Helicopter Tail Rotor Shroud on the Interaction Noise Due to the Main Rotor Vortices. (4) Fundamental Understanding and Prediction of Rotor Vibratory Loads in High-Speed Forward Flight. M. Weisgerber, G. Neuwerth. J. Sitaraman, A. Datta, J. Baeder, I. Chopra. 14:30. (5) Aeroelastic Stability Analysis of Wind(2) Improvement of DLR Rotor AeroTurbines Using an Eigenvalue Approacoustic Code (APSIM) and its Validaach tion with Analytic Solution. 15:00. (6) New General Code for Helicopter Dy(3) Airfoil-Vortex Interaction Simulation namics Optimisation Using the Compressible Vorticity Confinement Method P. Cranga, T. Krysinski, H. Strehlow, G. Ferraris R. Morvant, K.J. Badcock, G. N. Barakos. J. Yin, J. Delfs. 15:30. M. H. Hansen. Theodor-Kober-Saal Session 3: Safety & Airworthiness Chairman:. (7) Loss-of-Oil Behavior of Eurocopter Gearboxes from AS350 to EC225. M. Blanc, E. Mermoz. (8) Airframe Life Extension Versus ReAirframing: Economic and Airworthiness Considerations M. L. Overd (9) HeliSafe®- A New Concept to Reduce Fatal and Severe Injuries in Helicopter Accidents U. Heßmer. Coffee. 10.

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(38) 29th European Rotorcraft Forum, Friedrichshafen, 16-18 September 2003 Tuesday 16 September 2003 (Cont´d) 13:30. AHS BEST PAPER. Ludwig-Dürr-Saal Alfred-Colsmann-Saal. Ludwig-Dürr-Saal. 14:00. Session 1: Acoustics 1 Chairman:. Session 2: Dynamics 1 Chairman:. (1) Influence of a Helicopter Tail Rotor Shroud on the Interaction Noise Due to the Main Rotor Vortices. (4) Fundamental Understanding and Prediction of Rotor Vibratory Loads in High-Speed Forward Flight J. Sitaraman, A. Datta, J. Baeder, I. Chopra. M. Weisgerber, G. Neuwerth. 14:30. (5) Aeroelastic Stability Analysis of Wind(2) Improvement of DLR Rotor AeroTurbines Using an Eigenvalue Approacoustic Code (APSIM) and its Validaach tion with Analytic Solution. 15:00. (6) New General Code for Helicopter Dy(3) Airfoil-Vortex Interaction Simulation namics Optimisation Using the Compressible Vorticity Confinement Method P. Cranga, T. Krysinski, H. Strehlow, G. Ferraris R. Morvant, K.J. Badcock, G. N. Barakos. M. H. Hansen. J. Yin, J. Delfs. 15:30. Theodor-Kober-Saal Session 3: Safety & Airworthiness Chairman:. (7) Loss-of-Oil Behavior of Eurocopter Gearboxes from AS350 to EC225. M. Blanc, E. Mermoz. (8) Airframe Life Extension Versus ReAirframing: Economic and Airworthiness Considerations M. L. Overd (9) HeliSafe®- A New Concept to Reduce Fatal and Severe Injuries in Helicopter Accidents U. Heßmer. Coffee. 10. ½ ¥i)6M¥£¤6¤D²´§¥{~)p)D [¡mM´6¡or

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(80) 29th European Rotorcraft Forum, Friedrichshafen, 16-18 September 2003 Tuesday 16 September 2003 (Cont´d) 13:30. AHS BEST PAPER. Ludwig-Dürr-Saal. Ludwig-Dürr-Saal. 14:00. Session 2: Dynamics 1 Chairman:. (4) Fundamental Understanding and Prediction of Rotor Vibratory Loads in High-Speed Forward Flight. M. Weisgerber, G. Neuwerth. J. Sitaraman, A. Datta, J. Baeder, I. Chopra. (5) Aeroelastic Stability Analysis of Wind(2) Improvement of DLR Rotor AeroTurbines Using an Eigenvalue Approacoustic Code (APSIM) and its Validaach tion with Analytic Solution. (6) New General Code for Helicopter Dy(3) Airfoil-Vortex Interaction Simulation namics Optimisation Using the Compressible Vorticity Confinement Method P. Cranga, T. Krysinski, H. Strehlow, G. Ferraris R. Morvant, K.J. Badcock, G. N. Barakos. M. H. Hansen. J. Yin, J. Delfs. 15:30. Theodor-Kober-Saal. Alfred-Colsmann-Saal. Session 1: Acoustics 1 Chairman:. (1) Influence of a Helicopter Tail Rotor Shroud on the Interaction Noise Due to the Main Rotor Vortices. 14:30. 15:00. Session 3: Safety & Airworthiness Chairman:. (7) Loss-of-Oil Behavior of Eurocopter Gearboxes from AS350 to EC225. M. Blanc, E. Mermoz. (8) Airframe Life Extension Versus ReAirframing: Economic and Airworthiness Considerations M. L. Overd (9) HeliSafe®- A New Concept to Reduce Fatal and Severe Injuries in Helicopter Accidents U. Heßmer. Coffee. 10. ROSITA Modane S1 TC 0987 HeliFP ROTCATS. 0.4. ROSITA Modane S1 TC 0987 HeliFP ROTCATS. 0.4. 0.2. 0.2. Cn M. Cn M. 2. 0.3. 2. 0.3. 0.1. 0.1. 0. 0. -0.1. -0.1. -0.2. 0. 100. Ψ. 200. -0.2. 300. 0. 100. r/R=0.700. Ψ. 200. 300. r/R=0.915. D«[®m)¯ Ç {½´§¥£)P¦~ [¡©Dr" £)mUÔ¦rD¡§«{¤6¬»m¤6¥[& H¦¢¨ {Ô Ç,æ{À ROSITA Modane S1 TC 0987 ONERA Moving Grid DLR Chimera. 0.4. ROSITA Modane S1 TC 0987 ONERA Moving Grid DLR Chimera. 0.4. 0.2. 0.2. Cn M. Cn M. 2. 0.3. 2. 0.3. 0.1. 0.1. 0. 0. -0.1. -0.1. -0.2. 0. 100. Ψ. 200. -0.2. 300. 0. 100. r/R=0.700. Ψ. 200. 300. r/R=0.915. D«[®mrèÇ {½´§¥£)P¦~ [¡©Dr"½z®m¤DrD¬»m¤6¥[& H¦_¢¨ {Ô Ç,æ[À r6 {¡R¦z¥£¡RBrm½

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