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Economic assessment of morphing leading edge systems in conceptual aircraft design

机译:概念飞机设计中变形前沿系统的经济评估

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This paper presents an economic assessment of an aircraft design incorporating a morphing leading edge (MLE) device and electrical anti icing (EAI) as necessary technology for its operation. For a representative comparison to other designs direct operating costs (DOC) are chosen as a parameter to capture the multiple impacts of the change from a conventional turbulent design to a natural laminar flow (NLF) and further to the incorporation of the MLE technology. The process of integration of the technologies neccessary to operate a MLE device are described. For a better understanding of the propagation of changes, technical parameters i.e. block fuel (BF) are analyzed as well and compared between the different design steps. The designs compared are derived from the mission of a regional aircraft with a maximum capacity of 185 passengers. The software tool applied incorporates empirical and analytical methods that have been validated for the conceptual design phase. The results of the presented process give an indication for decision making towards the potential of innovative technologies.
机译:本文介绍了一种飞机设计的经济评估,该飞机结合了变形前缘(MLE)装置和电气防冰(EAI)作为其运行的必要技术。为了与其他设计进行代表性比较,选择直接运营成本(DOC)作为参数,以捕获从传统的湍流设计到自然层流(NLF)的变化以及进一步引入MLE技术所带来的多重影响。描述了操作MLE设备所需的技术的集成过程。为了更好地理解变化的传播,还对技术参数(即块状燃料(BF))进行了分析,并在不同的设计步骤之间进行了比较。比较的设计来自一架最大可容纳185名乘客的支线飞机的任务。所应用的软件工具结合了已在概念设计阶段得到验证的经验和分析方法。所提出的过程的结果表明了对创新技术潜力的决策。

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