Evaluation Of High Speed Civil Transport Handling Qualities Criteria With Supersonic Flight Data
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Evaluation Of High Speed Civil Transport Handling Qualities Criteria With Supersonic Flight Data
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Author : Timothy H. Cox
language : en
Publisher:
Release Date : 1997
Evaluation Of High Speed Civil Transport Handling Qualities Criteria With Supersonic Flight Data written by Timothy H. Cox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Supersonic planes categories.
Evaluation Of High Speed Civil Transport Handling Qualities Criteria With Supersonic Flight Data
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-03
Evaluation Of High Speed Civil Transport Handling Qualities Criteria With Supersonic Flight Data written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-03 with categories.
Most flying qualities criteria have been developed from data in the subsonic flight regime. Unique characteristics of supersonic flight raise questions about whether these criteria successfully extend into the supersonic flight regime. Approximately 25 years ago NASA Dryden Flight Research Center addressed this issue with handling qualities evaluations of the XB-70 and YF-12. Good correlations between some of the classical handling qualities parameters, such as the control anticipation parameter as a function of damping, were discovered. More criteria have been developed since these studies. Some of these more recent criteria are being used in designing the High-Speed Civil Transport (HSCT). A second research study recently addressed this issue through flying qualities evaluations of the SR-71 at Mach 3. The research goal was to extend the high-speed flying qualities experience of large airplanes and to evaluate more recent MIL-STD-1797 criteria against pilot comments and ratings. Emphasis was placed on evaluating the criteria used for designing the HSCT. XB-70 and YF-12 data from the previous research supplemented the SR-71 data. The results indicate that the criteria used in the HSCT design are conservative and should provide good flying qualities for typical high-speed maneuvering. Additional results show correlation between the ratings and comments and criteria for gradual maneuvering with precision control. Correlation is shown between ratings and comments and an extension of the Neal/Smith criterion using normal acceleration instead of pitch rate. Cox, Timothy H. and Jackson, Dante W. Armstrong Flight Research Center RTOP 529-50-24...
U S Supersonic Commercial Aircraft
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1997-08-25
U S Supersonic Commercial Aircraft written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-08-25 with Technology & Engineering categories.
The National Aeronautics and Space Administration (NASA) is currently developing advanced technologies to form the foundation for the next breakthrough in civil aviation: an economically viable, environmentally acceptable supersonic transport. NASA's High Speed Research Program works in conjunction with industry to identify and address critical technological challenges to initiating commercial development of a practical supersonic transport. The key technical areas investigated are engine emissions, fuel efficiency, service life, and weight; community noise; aircraft range and payload; and weight and service life of airframe structures. Areas of particular interest include the ability of technologies under development to meet program goals related to noise, emissions, service life, weight, range, and payload. This book examines aircraft design requirements, assesses the program's planning and progress, and recommends changes that will help the program achieve its overall objectives.
A Preliminary Study Of Handling Qualities Requirements Of Supersonic Transports In High Speed Cruising Flight Using Piloted Simulators
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Author :
language : en
Publisher:
Release Date : 1963
A Preliminary Study Of Handling Qualities Requirements Of Supersonic Transports In High Speed Cruising Flight Using Piloted Simulators written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Flight categories.
High Speed Civil Transport Study Summary
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Author :
language : en
Publisher:
Release Date : 1989
High Speed Civil Transport Study Summary written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Supersonic Flying Qualities Experience Using The Sr 71
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Author : Timothy H. Cox
language : en
Publisher:
Release Date : 1997
Supersonic Flying Qualities Experience Using The Sr 71 written by Timothy H. Cox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
A Qualitative Piloted Evaluation Of The Tupolev Tu 144 Supersonic Transport
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Author : Robert A. Rivers
language : en
Publisher:
Release Date : 2000
A Qualitative Piloted Evaluation Of The Tupolev Tu 144 Supersonic Transport written by Robert A. Rivers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Aerodynamics, Supersonic categories.
Two U.S. research pilots evaluated the Tupolev Tu-144 supersonic transport aircraft on three dedicated flights: one subsonic and two supersonic profiles. The flight profiles and maneuvers were developed jointly by Tupolev and U.S. engineers. The vehicle was found to have unique operational and flight characteristics that serve as lessons for designers of future supersonic transport aircraft. Vehicle subsystems and observed characteristics are described as are flight test planning and ground monitoring facilities. Maneuver descriptions and extended pilot narratives for each flight are included as appendices.
Monthly Catalog Of United States Government Publications
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1968
Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Government publications categories.
Piloted Simulation Assessment Of A High Speed Civil Transport Configuration
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Author :
language : en
Publisher:
Release Date : 2002
Piloted Simulation Assessment Of A High Speed Civil Transport Configuration written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Airplanes categories.
An assessment of a proposed configuration of a high-speed civil transport was conducted by using NASA and industry research pilots. The assessment was conducted to evaluate operational aspects of the configuration from a pilot's perspective, with the primary goal being to identify potential deficiencies in the configuration. The configuration was evaluated within and at the limits of the design operating envelope to determine the suitability of the configuration to maneuver in a typical mission as well as in emergency Or envelope-limit conditions. The Cooper-Harper rating scale was used to evaluate the flying qualities of the configuration. A summary flying qualities metric was also calculated. The assessment was performed in the Langley six-degree-of-freedom Visual Motion Simulator. The effect of a restricted cockpit field-of-view due to obstruction by the vehicle nose was not included in this study.
Longitudinal Handling Qualities Of The Tu 144ll Airplanes And Comparisons With Other Large Supersonic Aircraft
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Author : Timothy H. Cox
language : en
Publisher:
Release Date : 2000
Longitudinal Handling Qualities Of The Tu 144ll Airplanes And Comparisons With Other Large Supersonic Aircraft written by Timothy H. Cox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Aerodynamics, Supersonic categories.
Four flights have been conducted using the Tu-144LL supersonic transport aircraft with the dedicated objective of collecting quantitative data and qualitative pilot comments. These data are compared with the following longitudinal flying qualities criteria: Neal-Smith, short-period damping, time delay, control anticipation parameter, phase delay [omitted], pitch bandwidth as a function of time delay, and flightpath as a function of pitch bandwidth. Determining the applicability of these criteria and gaining insight into the flying qualities of a large, supersonic aircraft are attempted. Where appropriate, YF-12, X-70, and SR-71 pilot ratings are compared with the Tu-144LL results to aid in the interpretation of the Tu-144LL data and to gain insight into the application of the criteria. The data show that approach and landing requirements appear to be applicable to the precision flightpath control required for up-and-away flight of large, supersonic aircraft. The Neal-Smith, control anticipation parameter, and pitch-bandwidth criteria tend to correlate with the pilot comments better than the phase delay criterion, [omitted]. The data indicate that the detrimental flying qualities implication of decoupled pitch-attitude and flightpath responses occurring for high-speed flight may be mitigated by requiring the pilot to close the loop on flightpath or vertical speed.