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Fit to fly

机译：适合飞

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Though the maiden flight of the A380 will certainly constitute an historic milestone in the programme, the flight itself is expect-ed to be fairly routine — more a question of getting a feel for the aircraft, says senior vice-president flight operations Claude Lelaie. "We have all the experience from previous programmes; we don't expect anything fundamentally new," adds Airbus chief test pilot Jacques Rosay. Both men will be on board for the first flight, along with Airbus flight-test director Fernando Alonso and flight test engineers Gerard Desbois, Jacky Joye and Manfred Birnfeld. Rosay is expected to be at the controls for takeoff, and Lelaie for landing. Preparation for the first flight has included long hours on the three cockpit simulators and the systems integration simulator. The latter can be connected to the Iron Bird, a faithful representation of the entire aircraft, including a full suite of flight control systems and equipment — computers and actuators, electric power generators, automatic flight controls, electrical racks, switchgear, hydraulic power sources, flight deck instrumentation, electronic engine con- trols, servo-actuators, black boxes, etc. Static testing by the CEAT test centre has been underway since November 2004 (see box) while fatigue testing starts in September 2005 (see box). The French and German aerospace R&D agencies, Onera and DLR, are performing vibration testing on aircraft 002. Test programme leader Jean-Paul Esquerre explains: "Every structure has its own specific vibration characteristics. If an external force, such as turbulent air flow around an aircraft in flight, applies an excitation to the structure, the mass of the structure will naturally tend to damp it out. However, a poorly designed aircraft can suppress this structural damping due to fluid-structure interactions, leading to flutter and the potential risk of damage and loss of control."
机译：尽管空中客车A380的首航必将构成该计划的历史性里程碑，但预计飞行本身将是相当常规的，这更多是使飞机感觉良好的问题，高级副总裁飞行业务克劳德·莱莱伊（Claude Lelaie）说。空客首席试飞员雅克·罗萨（Jacques Rosay）补充说：“我们拥有以前项目的所有经验；我们不希望有根本上的新变化。”这两个人将与空客飞行测试总监费尔南多·阿隆索以及飞行测试工程师杰拉德·德斯波依斯，杰基·乔伊和曼弗雷德·比恩费尔德一起登机。预计罗莎（Rosay）将处于起飞控制之下，莱莱（Lelaie）将处于着陆控制之下。首次飞行的准备工作包括在三个座舱模拟器和系统集成模拟器上花费很长时间。后者可以连接到Iron Bird，这是整个飞机的忠实代表，包括一整套飞行控制系统和设备-计算机和执行器，发电机，自动飞行控制，电气机架，开关设备，液压动力源，自2004年11月以来，CEAT测试中心一直在进行静态测试（见方框），而疲劳测试则于2005年9月开始（见方框）。法国和德国的航空研发机构Onera和DLR正在002飞机上进行振动测试。测试程序负责人让-保罗·埃斯奎尔（Jean-Paul Esquerre）解释说：“每个结构都有其特定的振动特性。如果有外力，例如周围有湍流，飞行中的飞机对结构施加激励，结构的质量自然会使其衰减，但是，设计不良的飞机会由于流固耦合而抑制这种结构阻尼，从而导致颤动和潜在风险破坏和失去控制。”

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  • 来源
    《Interavia》 |2005年第679期|p.24-25|共2页
  • 作者

    Yann Cochennec;

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