首页> 美国政府科技报告 >Special Course on Inverse Methods for Airfoil Design for Aeronautical and Turbomachinery Applications (Methodes Inverses pour la Conception des Profils Porteurs pour des Applications dans les Domaines de l'Aeronautique et des Turbomachines).
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Special Course on Inverse Methods for Airfoil Design for Aeronautical and Turbomachinery Applications (Methodes Inverses pour la Conception des Profils Porteurs pour des Applications dans les Domaines de l'Aeronautique et des Turbomachines).

机译:航空和涡轮机械应用的翼型设计反演方法特别课程(方法学家的倾向应用程序,以及aeronautique et des Turbomachines的应用程序)。

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摘要

This lecture series is devoted to major aspects of airfoil design both for aeronautical and turbomachine application. These include: (1) optimization of target pressure and velocity distribution. Both direct optimization resulting from an inverse boundary layer calculation and an iterative optimization of the loses are presented. (2) airfoil design by means of inverse methods. This ranges from simple parametric definitions of two-dimensional cross sections to a detailed numerical definition of three dimensional shapes. blade or airfoil designs are normally made in two steps, and the lectures are accordingly grouped into two parts. First, optimization of target pressure and velocity distributions are discussed taking into account the required performance and the lost mechanisms in the boundary layer. Both direct optimization resulting from an inverse boundary layer calculation, and an iterative optimization by minimization of the losses are presented. It is clear from both procedures that inclusion of off-design operation is one of the greatest difficulties involved in blade or airfoil operation. The second part gives an overview of the numerous inverse blade design methods that have been developed both for turbomachinery and aeronautical applications. This ranges from simple parameter definitions of two-dimensional cross-sections to the full three-dimensional definition of wings and blade channels.

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