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Troubling Problems Configuring a Forward Swept Wing Transonic Aircraft

机译:令人不安的问题配置前扫翼跨跨跨跨跨跨跨跨跨肿瘤飞机的问题

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This paper discusses a number of issues discovered during the conceptual design of a "Super-Premium Business Jet" with a forward swept wing. Ideally, the team wished to configure forward-swept-wing aircraft with qualities to competitive effectively with a Gulfstream G650; in other words, long range along with a very high subsonic cruise speed all while retaining compatibility with typical airports. We performed comprehensive trade studies using Phoenix Integration's ModelCenter which linked modified versions of NASA's aerodynamic programs EDET and VORLAX, as well as custom VBA based design tools for structural weight estimation, handling qualities assessment as well as point and mission performance. We discovered many unusual and rarely documented characteristics associated with forward sweep, as well as downfalls in existing codes ability to properly account for forward sweep. These negatively impact the economic viability of such a configuration. Thus, we present a paper that describes a "glorious failure" rather than a successful concept design.
机译:本文讨论了在具有前向扫翼的“超级优质业务喷气式飞机”概念设计中发现了许多问题。理想情况下,该团队希望与湾流G650有效地进行竞争力的席卷翼飞机;换句话说,长距离以及非常高的亚源巡航速度,同时保持与典型机场的兼容性。我们使用Phoenix集成的ModelCenter进行了全面的贸易研究,该模型中心联系了修改版本的NASA的空气动力学程序EDET和VORLAX,以及用于结构权重估计的自定义VBA的设计工具,处理品质评估以及点和任务性能。我们发现了许多与前向扫描相关的许多异常和很少有特征,以及现有代码的垮台能够正确地扫描的能力。这些对这种配置的经济可行性产生负面影响。因此,我们提出了一篇描述“光荣失败”而不是成功的概念设计的论文。

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