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Flight evaluation of a simple total energy-rate system with potential wind-shear application
| 题名： | Flight evaluation of a simple total energy-rate system with potential wind-shear application |
| 作者： | Ostroff, A. J.; Hueschen, R. M.; Hellbaum, R. F.; Creedon, J. F. |
| 关键词： | application；evaluation；simple；energy；total；tial；light；system；tent；with |
| 摘要： | Wind shears can create havoc during aircraft terminal area operations and have been cited as the primary cause of several major aircraft accidents. A simple sensor, potentially having application to the wind-shear problem, was developed to rapidly measure aircraft total energy relative to the air mass. Combining this sensor with either a variometer or a rate-of-climb indicator provides a total energy-rate system which was successfully applied in soaring flight. The measured rate of change of aircraft energy can potentially be used on display control systems of powered aircraft to reduce glide-slope deviations caused by wind shear. The experimental flight configuration and evaluations of the energy-rate system are described. Two mathematical models are developed the first describes operation of the energy probe in a linear design region and the second model is for the nonlinear region. The calculated total rate is compared with measured signals for many different flight tests. Time history plots show the tow curves to be almost the same for the linear operating region and very close for the nonlinear region. |
| 报告类型： | 科技报告 |
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