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- W2743241605 abstract "The multi-objective design exploration of the two-dimensional shielding effect for engine noise using V-tale wing has been performed. Two objective functions are considered as the minimization of the sound pressure level at the side and bottom locations relative to the fuselage, which values are evaluated by using the linearized Euler equation. Two design variables are defined as the wing length and the wing cant angle to set on the fuselage. The response surface method based on the kriging model is employed as the optimizer to reduce the time required for design exploration. As a result, there is no tradeoff between two objective functions, i.e., the sound pressure level at the side and bottom measuring locations can be reduced, simultaneously. The wing cant angle which is set at roughly 65 deg is most effective to shield the noise. It is justly the necessary condition to reduce the sound pressure level that the wing length becomes long. Moreover, a self-organizing map as a data mining technique reveals the knowledge in the design space regarding the correlation among the objective functions and the design variables." @default.
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- W2743241605 date "2006-01-01" @default.
- W2743241605 modified "2023-09-26" @default.
- W2743241605 title "5314 Design Exploration of Shielding Effect for Aircraft-Engine Noise" @default.
- W2743241605 doi "https://doi.org/10.1299/jsmemecjo.2006.7.0_281" @default.
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