Improving rotorcraft aerodynamic using computational fluid dynamics
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(11) 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. æmýáå ã¸ád" â:ýèm á í7á/ýv6ÿS2sîá9 âvå ãÇì. áâvã(äBåæç$èmá]èÇé®êãëGìsâèí¤ãyèsæmçî ãfï ð¿ñ(ò*ó]ô+õ?ök÷?øùBúó û. . ü âmýiþkëGî ãæçfáâývÿáâvãÇèsåþoÿÅý®åî. . þxã¥í7í sþx ã ý ` ã ï.
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(17) / éãî ëiíBäBå áâiåæyáâmãývÿUáâmã á4åcK ì výsþá0ãêÑþxã¥çå ýæï l âså íTëèmá7è.å í¸áâm íã¤æ ãë"èí(áâmã åæiå á4å èîÄìvèþxá+ývÿ`áâmã ü J]f f K èsîå ë®èáå ýæ$6ìvãþk¥ý í7íï. 29TH EUROPEAN ROTORCRAFT FORUM Friedrichshafen, Germany, 16-18 September 2003. J. Beedy et al. Improving Rotorcraft Aerodynamics.... 72-2.
(18) 29th European Rotorcraft Forum, Friedrichshafen, 16-18 September 2003 Tuesday 16 September 2003 (Cont´d) 13:30. AHS BEST PAPER. Ludwig-Dürr-Saal. 14:00. Ludwig-Dürr-Saal Alfred-Colsmann-Saal. Session 1: Acoustics 1 Chairman:. Session 2: Dynamics 1 Chairman:. (1) Influence of a Helicopter Tail Rotor Shroud on the Interaction Noise Due to the Main Rotor Vortices. (4) Fundamental Understanding and Prediction of Rotor Vibratory Loads in High-Speed Forward Flight. M. Weisgerber, G. Neuwerth. J. Sitaraman, A. Datta, J. Baeder, I. Chopra. 14:30. (5) Aeroelastic Stability Analysis of Wind(2) Improvement of DLR Rotor AeroTurbines Using an Eigenvalue Approacoustic Code (APSIM) and its Validaach tion with Analytic Solution. 15:00. (6) New General Code for Helicopter Dy(3) Airfoil-Vortex Interaction Simulation namics Optimisation Using the Compressible Vorticity Confinement Method P. Cranga, T. Krysinski, H. Strehlow, G. Ferraris R. Morvant, K.J. Badcock, G. N. Barakos. J. Yin, J. Delfs. 15:30. M. H. Hansen. Theodor-Kober-Saal Session 3: Safety & Airworthiness Chairman:. (7) Loss-of-Oil Behavior of Eurocopter Gearboxes from AS350 to EC225. M. Blanc, E. Mermoz. (8) Airframe Life Extension Versus ReAirframing: Economic and Airworthiness Considerations M. L. Overd (9) HeliSafe®- A New Concept to Reduce Fatal and Severe Injuries in Helicopter Accidents U. Heßmer. Coffee. 10. ©=ª¬«q¯®°²±³µ´·¶c¸. ¹º®(®u¯». ¼ ½.¾q¿BÀ[ÁÃÂ0ÄRÅ Æs¾sÇÈ'Â0¾ÉNÊÄ2ÇRËe½2Ì Â²ÂÍË È.ÉHÎuÌ Â²Ë ½.¾uÏÐYÑ q Ò Ä6É6¾É2¾ Æs¾sÅ ÄRÓH¾ÉTÔ.ËË ½.¾ÕÖHÌ Æ,¾sÇÂÌ ËÎÄ,Ê×Å Ô'ÂÍØHÄÙÛÚÜ ÝÞ ¼½.¾ Ò Ä$É2¾Ì Â Ò Ô6ÓsÔ2ß6Å ¾mÄ,Ê=Â0ÄRÅ Æ2ÌÖ'اà+ÄÙ Ò ÄRÖ,É|Ì ËáÌ ÄRÖ' ÊÇpÄRâãÌÖÆ2Ì Â Ò Ì ÉoËÄÅ Ô6â<Ì_ÖsÔsÇËÄTÊÈ2Å_Å ÎË È2ÇPß2È2Å ¾sÖ'ËÈ'ÂÌÖ'Ø Ëe½,¾ä¾ Î6Ö,ÄRÅ É2ÂæåBÆs¾sǯÔ.ØH¾ÉèçIÔÆ6Ì ¾sÇbéê|ËÄRëá¾Â?ì0äåçIê]í ¾î+È,Ô.ËeÌ ÄRÖ.ÂcÌ_ÖïËe½6Çp¾¾É+Ì_âN¾sÖ.ÂÌ ÄRÖ.ÂÞ¼q½.¾Â0¾¾î]È,Ô.ËáÌ ÄRÖ' ÔsÇp¾ïÖ.ÄRÖ'éPÉ|Ì_âu¾sÖ'ÂÌ ÄRÖ,Ô6ÅðÌ Â0¾ÉÃÔ2Ö,ÉTËeÇñÔ2Ö.ÂÊÄ2Ç#âN¾ÉYÊÇpÄRâòÔ ¿VÔsÇp˾ÂÌ¥Ô2֦ǯ¾ ʾsÇp¾sÖ Ò ¾óÂÎ.ÂÍ˾sâôËÄ§Ô Ò È2ÇÆ2Ì_ÅyÌ_Ö,¾ÔsÇ(ÄRÖ.¾ ßH¾ ÊÄ2Çp¾ïßH¾,Ì_Ö'ØïÂ0ÄRÅ Æs¾É]Þu¼½,¾ºÈ.Â0¾=Ä,ÊË ½.¾ïäåçIêYÊõÄHÇPâ Ä,ÊËe½,¾¾î]È,Ô.ËeÌ ÄRÖ'ÂYÔ6ÅyÅ ÄÙÂÊõÄHǨÊÈ2ÅyÅ ÎóË È2ÇPß2È2Å ¾sÖ'Ëcà+ÄÙ Ò ÄRÖ.É|Ì ËáÌ ÄRÖ'²ËÄ<ßH¾ Ò Ô6Å Ò È2Å Ô.˾ÉÙNÌ Ë ½Ô6Ó6Ó,ǯÄRÓ,Ç#Ì Ô.˾âNÄ$Éé ¾sÅyÅðÌÖ'ØTÄ,ÊËeÈ6Ç#ß2È6Å ¾sÖ Ò ¾ÞN¼q½.¾=ËeÈ6Ç#ß2È6Å ¾sÖ Ò ¾âNÄ$É2¾sÅVÈ.Â0¾É ÊÄ2Ç$Ë ½HÌ Â²ÂÍË È.ÉÎ¨Ì ÂöË ½.¾ÂÍËÍÔ6Ö.É$ÔsÇpɨ÷öø¨ùâNÄ$É2¾sÅHÚÜú,ÝÞ¼Ä Â0ÄRÅ Æ,¾Ëe½,¾YäûåqçBêm¾î]È,Ô.ËeÌ ÄRÖ'ÂüÔoâ=È2Å ËáÌ é0ß2Å Ä Ò ëØ|ÇõÌ ÉnÌ Â ØH¾sÖ.¾sǯÔ.˾ɺÔsÇpÄRÈ6Ö.ÉË ½.¾<ǯ¾î+ÈHÌÇp¾ÉØH¾ÄRâN¾Ë ÇbÎü[Ô6Ö.ÉË ½.¾ ¾î+È,Ô.ËeÌ ÄRÖ.ÂÔsǯ¾É+Ì Â Ò Çp¾ËeÌ Â0¾É§È.ÂÌ_Ö'ØËe½,¾ Ò ¾sÅ_Å é Ò ¾sÖ.˾sÇp¾É ý Ö2Ì Ë¾IÆsÄRÅyÈ2âu¾Ô6Ó2ÓsÇpÄHÔ Ò ½$Þ¿VÄRÖÆs¾ Ò ËáÌ Æ,¾àÈþs¾ÂBÔsÇp¾É+Ì Âé ¥ÂT ÿÈ2ÂÓ ½,Ùq¾sÇ ÌÖ.ÉmÂ Ò Çp¾ËáÌ Â0¾É¦È'ÂÌÖ'Ø· Ò ½,¾sâN¾süÙN½HÌ Ò ½mÌ Â È'Â0¾ÉïßH¾ Ò Ô6È'Â0¾qÄ,ÊBÌ ËÂǯÄRß2È'ÂÍË Ö.¾ÂÍÂü|Ô ÒÒ È2Ç¯Ô Ò ÎÔ6Ö.É=ÂÍËÔ'é ßHÌ_ÅyÌ ËÎÓsÇpÄRÓH¾sÇpËáÌ ¾Â ÞÌ Â Ò ÄRÈ'ÂïàVÈþ¾ÂYÔÇp¾É|Ì Â Ò Çp¾ËáÌ Â0¾É È'ÂÌ_Ö.Ø Ò ¾sÖ'Ë Ç¯Ô6ÅÉ|Ì V¾sÇp¾sÖ Ò ¾ÂÞ ÑVÄRÈ6Ö.É$ÔsÇbÎ Ò ÄRÖ,É|Ì ËáÌ ÄRÖ' ÔsÇp¾ïÂ0¾ËÈ'ÂÌÖ'ØÂ0¾ËÂÄ,ʽ,Ô6Å Ä Ò ¾sÅ_Å ÂÞó¼½.¾Â0ÄRÅyÈ.ËáÌ ÄRÖmÌ Â âuÔsÇ Ò ½,¾É§Ì_â=Ó2ÅyÌ Ò Ì Ë Å ÎmÌÖYËáÌâN¾È'ÂÌ_Ö.ØóÔÃÂ0¾ Ò ÄRÖ.ÉéPÄ2ÇpÉ2¾sÇ Â Ò ½.¾sâN¾Ô2Ö,ÉË ½.¾ ý Ö,Ô6ŲÂÎ,ÂÍ˾sâ Ä,Ê<Ô6Å ØH¾sßsǯÔ2Ì Ò ¾î]È,Ô'é ËáÌ ÄRÖ'ÂIÌ ÂVÂ0ÄRÅ Æ,¾É=È'ÂÌÖ'ØNÔ Ò ÄRÖ áÈ.Ø2Ô.˾Ø|ǯÔ,É|Ì ¾sÖ.ËBâN¾Ë ½.Ä$É]Þ ³ ®.
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(20) 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 2: Dynamics 1 Chairman:. (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. (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. 15:30. (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. M. H. Hansen. J. Yin, J. Delfs. Theodor-Kober-Saal Session 3: Safety & Airworthiness Chairman:. 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. (9) HeliSafe®- A New Concept to Reduce Fatal and Severe Injuries in Helicopter Accidents U. Heßmer. Coffee. 10. hIiUjklj'm nohIp qUjsrBt'uvp hDp t:w
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(37) pw~Ùu#hzioj)pwoUp <j'wodj)pw" 'klj"noujvun<wUhzioj|qUt<k,hjI~1klt"{Gu>pw.uvp í"jsÊ£1p ~1<klj.ÞHÊÎÎ hIiUj.1p uhn4wodjBjvh{±jdj'wshIiUj|qUt<k,hjIFn4wohIiUj>{
(38) pw~\n4r" rBj"n'k,uht)<jd'kj"nujn4wonpwBp}F<^p uFklj"nU'iUjd7xt<k hIiUj\²k,uh#<td{sw"uhzklt:¶Djuhj'rÊ£1p ~1<kljÞHÊÎÎz¹<kRpw~. 29TH EUROPEAN ROTORCRAFT FORUM Friedrichshafen, Germany, 16-18 September 2003. J. Beedy et al. Improving Rotorcraft Aerodynamics.... 72-4.
(39) 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. 15:30. Session 3: Safety & Airworthiness Chairman:. (7) Loss-of-Oil Behavior of Eurocopter Gearboxes from AS350 to EC225. M. Blanc, E. Mermoz. 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. J. Yin, J. Delfs. 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. (8) Airframe Life Extension Versus ReAirframing: Economic and Airworthiness Considerations M. L. Overd. M. H. Hansen. (9) HeliSafe®- A New Concept to Reduce Fatal and Severe Injuries in Helicopter Accidents U. Heßmer. Coffee. 10. îIïUðñ4òdósô"õöîz÷lò:øDðù'ú'÷,î#òUûGîIïUðüzý'ü'þ ðîzïoðFÿU7ñ ò<÷,<îðzõ. ôoð"ú'÷îzïoðF þMô îIð ÷ ú d Bð, ñ. ü'÷lð"úoö ðv ô# ö ö. "ð÷lð"úUôü'\î ï z. ïoôð
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