Nacelle Chine Installation Based on Wind-Tunnel Test Using Efficient Global Optimization
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概要
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Design exploration of a nacelle chine installation was carried out. The nacelle chine improves stall performance when deploying multi-element high-lift devices. This study proposes an efficient design process using a Kriging surrogate model to determine the nacelle chine installation point in wind-tunnel tests. The design exploration was conducted in a wind-tunnel using the JAXA high-lift aircraft model at the JAXA Large-scale Low-speed Wind Tunnel. The objective was to maximize the maximum lift. The chine installation points were designed on the engine nacelle in the axial and chord-wise direction, while the geometry of the chine was fixed. In the design process, efficient global optimization (EGO) which includes Kriging model and genetic algorithm (GA) was employed. This method makes it possible both to improve the accuracy of the response surface and to explore the global optimum efficiently. Detailed observations of flowfields using the Particle Image Velocimetry method confirmed the chine effect and design results.
- 2008-11-04
著者
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KANAZAKI Masahiro
Aviation Program, Japan Aerospace Exploration Agency
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YOKOKAWA Yuzuru
Aviation Program, Japan Aerospace Exploration Agency
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MURAYAMA Mitsuhiro
Aviation Program, Japan Aerospace Exploration Agency
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ITO Takeshi
Institute of Aerospace Technology, Japan Aerospace Exploration Agency
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JEONG Shinkyu
Institute of Fluid Science, Tohoku University
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YAMAMOTO Kazuomi
Aviation Program, Japan Aerospace Exploration Agency
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Jeong Shinkyu
Inst. Of Fluid Sci. Tohoku Univ.
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Jeong Shinkyu
Institute Of Fluid Science Tohoku University
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Yokokawa Yuzuru
Aviation Program Japan Aerospace Exploration Agency
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Yamamoto Kazuomi
Aviation Program Japan Aerospace Exploration Agency
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Yamamoto Kazuomi
Aviation Program Group Japan Aerospace Exploration Agency
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Kanazaki Masahiro
Aviation Program Japan Aerospace Exploration Agency
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Murayama Mitsuhiro
Aviation Program Group Japan Aerospace Exploration Agency
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Murayama Mitsuhiro
Aviation Program Japan Aerospace Exploration Agency
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Ito Takeshi
Institute Of Aerospace Technology Japan Aerospace Exploration Agency
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