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Investigation of Dynamic Flight Maneuvers With an Iced Tailplane
| 题名： | Investigation of Dynamic Flight Maneuvers With an Iced Tailplane |
| 作者： | VanZante, Judith Foss; Ratvasky, Thomas P. |
| 关键词： | invest；dynamic；pushover；stig；light；tail；lane；with；flig；vers |
| 摘要： | A detailed analysis of two of the dynamic maneuvers, the pushover and elevator doublet, from the NASA FAA Tailplane Icing Program are discussed. For this series of flight tests, artificial ice shapes were attached to the leading edge of the horizontal stabilizer of the NASA Lewis Research Center icing aircraft, a DHC-6 Twin Otter. The purpose of these tests was to learn more about ice-contaminated tailplane stall (ICTS), the known cause of 16 accidents resulting in 139 fatalities. The pushover has been employed by the FAA, JAA and Transport Canada for tailplane icing certification. This research analyzes the pushover and reports on the maneuver performance degradation due to ice shape severity and flap deflection. A repeatability analysis suggests tolerances for meeting the required targets of the maneuver. A second maneuver, the elevator doublet, is also studied. |
| 报告类型： | 科技报告 |
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