Download or read book NASA FAA Tailplane Icing Program written by Thomas P. Ratvasky and published by . This book was released on 2000 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents results from research flights that explored the characteristics of an ice-contaminated tailplane using various simulated ice shapes attached to the leading edge of the horizontal tailplane. A clean leading edge provided the baseline case, then three ice shapes were flown in order of increasing severity. Flight tests included both steady state and dynamic maneuvers. The steady state points were 1G wings level and steady heading sideslips. The primary dynamic maneuvers were pushovers to various G-levels; elevator doublets; and thrust transitions. These maneuvers were conducted for a full range of flap positions and aircraft angle of attack where possible. The analysis of this data set has clearly demonstrated the detrimental effects of ice contamination on aircraft stability and controllability. Paths to tailplane stall were revealed through parameter isolation and transition studies. These paths are (1) increasing ice shape severity, (2) increasing flap deflection, (3) high or low speeds, depending on whether the aircraft is in a steady state (high speed) or pushover maneuver (low speed), and (4) increasing thrust. The flight research effort was very comprehensive, but did not examine effects of tailplane design and location, or other aircraft geometry configuration effects. However, this effort provided the role of some of the parameters in promoting tailplane stall. The lessons learned will provide guidance to regulatory agencies, aircraft manufacturers, and operators on ice-contaminated tailplane stall in the effort to increase aviation safety and reduce the fatal accident rate.
Download or read book NASA FAA Tailplane Icing Program Overview written by Thomas P. Ratvasky and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA s Contributions to Aeronautics Flight environment operations flight testing and research written by and published by . This book was released on 2010 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-volume collection of case studies on aspects of NACA-NASA research by noted engineers, airmen, historians, museum curators, journalists, and independent scholars. Explores various aspects of how NACA-NASA research took aeronautics from the subsonic to the hypersonic era.-publisher description.
Download or read book NASA s Contributions to Aeronautics Volume 2 Flight Environment NASA SP 2010 570 Vol 2 2010 written by and published by . This book was released on 2011 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Nasa FAA Tailplane Icing Program written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-13 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents results from research flights that explored the characteristics of an ice-contaminated tailplane using various simulated ice shapes attached to the leading edge of the horizontal tailplane. A clean leading edge provided the baseline case, then three ice shapes were flown in order of increasing severity. Flight tests included both steady state and dynamic maneuvers. The steady state points were 1G wings level and steady heading sideslips. The primary dynamic maneuvers were pushovers to various G-levels; elevator doublets; and thrust transitions. These maneuvers were conducted for a full range of flap positions and aircraft angle of attack where possible. The analysis of this data set has clearly demonstrated the detrimental effects of ice contamination on aircraft stability and controllability. Paths to tailplane stall were revealed through parameter isolation and transition studies. These paths are (1) increasing ice shape severity, (2) increasing flap deflection, (3) high or low speeds, depending on whether the aircraft is in a steady state (high speed) or pushover maneuver (low speed), and (4) increasing thrust. The flight research effort was very comprehensive, but did not examine effects of tailplane design and location, or other aircraft geometry configuration effects. However, this effort provided the role of some of the parameters in promoting tailplane stall. The lessons learned will provide guidance to regulatory agencies, aircraft manufacturers, and operators on ice-contaminated tailplane stall in the effort to increase aviation safety and reduce the fatal accident rate. Ratvasky, Thomas P. and VanZante, Judith Foss and Sim, Alex Armstrong Flight Research Center; Glenn Research Center DTFA03-95-90001; RTOP 548-21-23
Download or read book Aircraft Accident Report written by and published by . This book was released on 197? with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA FAA Tailplane Icing Program written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2020-06-30 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents results from research flights that explored the characteristics of an ice-contaminated tailplane using various simulated ice shapes attached to the leading edge of the horizontal tailplane. A clean leading edge provided the baseline case, then three ice shapes were flown in order of increasing severity. Flight tests included both steady state and dynamic maneuvers. The steady state points were 1G wings level and steady heading sideslips. The primary dynamic maneuvers were pushovers to various G-levels; elevator doublets; and thrust transitions. These maneuvers were conducted for a full range of flap positions and aircraft angle of attack where possible. The analysis of this data set has clearly demonstrated the detrimental effects of ice contamination on aircraft stability and controllability. Paths to tailplane stall were revealed through parameter isolation and transition studies. These paths are (1) increasing ice shape severity, (2) increasing flap deflection, (3) high or low speeds, depending on whether the aircraft is in a steady state (high speed) or pushover maneuver (low speed), and (4) increasing thrust. The flight research effort was very comprehensive, but did not examine effects of tailplane design and location, or other aircraft geometry configuration effects. However, this effort provided the role of some of the parameters in promoting tailplane stall. The lessons learned will provide guidance to regulatory agencies, aircraft manufacturers, and operators on ice-contaminated tailplane stall in the effort to increase aviation safety and reduce the fatal accident rate. Ratvasky, Thomas P. and VanZante, Judith Foss and Sim, Alex Armstrong Flight Research Center; Glenn Research Center NASA/TP-2000-209908, NAS 1.60:209908, DOT/FAA/AR-99/85, E-12126 DTFA03-95-90001; RTOP 548-21-23 36586 AIRCRAFT ICING; HORIZONTAL TAIL SURFACES; AIRCRAFT STABILITY; LEADING EDGES; FLIGHT TESTS; AIRCRAFT SAFETY; CONTROLLABILITY; FLAPPING; WINGS; THRUST; FLIGHT HAZARDS; ICE PREVENTION
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Download or read book Research Technology 1999 written by and published by DIANE Publishing. This book was released on with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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