What is it about?
Ultra high aspect ratio wings hold promise for next-generation large aircraft designs, with struts employed to enhance mechanical performance. However, the impact of struts on noise certification during the approach process remains uncertain. This paper presents a method that considers the realistic geometry of a full wing to assess this effect.
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Photo by Konrad Wojciechowski on Unsplash
Why is it important?
In the noise estimation of an ultra-high aspect ratio wing, both trailing edge noise and dipole noise must be considered. However, estimating the dipole noise of an entire wing is challenging due to its large size. We utilised a method to predict the dipole noise of the whole wing by using sections of it. This method accounts for the effect of the positions of different sections and the model size changes on the overall wing noise, rather than relying solely on simple area scaling laws.
Perspectives
This article presents a method for assessing the noise of a full-sized wing, which is particularly important in the aircraft design stage. Additionally, the results provide valuable insights into the impact of struts on the noise of strut-braced wings.
Yuan He
University of Southampton
Read the Original
This page is a summary of: Aeroacoustic Study of a Strut Braced Ultra High Aspect Ratio Wing, May 2024, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2024-3239.
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