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原文传递 Numerical Simulation Study to Develop an Acceptable Wake Encounter Boundary for a B737-100 Airplane.

题名：	Numerical Simulation Study to Develop an Acceptable Wake Encounter Boundary for a B737-100 Airplane.
作者：	vicroy, d. d. nguyen, t.
关键词：	flight paths, spacing, air navigation, aircraft guidance, flight simulation
摘要：	The National Aeronautics and Space Administration (NASA) is conducting research with the goal of enabling safe improvements in the capacity of the nation's air transportation system. The wake-vortex upset hazard is an important factor in establishing the minimum safe spacing between aircraft during landing and take-off operations, thus impacting airport capacity. A batch simulation study was conducted to assess the sensitivity of various safe landing criteria in the development of an acceptable wake encounter boundary. A baseline six-degree-of-freedom simulation of a B737-100 airplane was modified to include a wake model and the vortex-induced forces and moments. The guidance and control input for the airplane was provided by an auto-land system. The wake strength and encounter geometry were varied. A sensitivity study was also conducted to assess the effects of encounter modeling methods and accuracy.
总页数：	u0702；14p
报告类型：	科技报告