On-orbit noise control for Space Station Freedom

O'Keefe, Ed; Counter, D. N.

doi:10.2514/6.1993-4080

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Acoustic Modeling Of Css Module1

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2014

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“…Therefore, it is important to predict the total acoustic environment using preliminary equipment measurements or predictions. Many different modeling approaches are possible in acoustics, such as ray tracing method, acoustic Finite Element Method (FEM), acoustic BEM, and SEA method etc [5]. Each modeling approach is suitable for a different frequency range and has some limitation.…”

Section: Acoustic Modeling Of Css Modulementioning

confidence: 99%

Preliminary Model Analysis of Acoustic Noise Levels for Space Station

Yao

Yang

Feng

et al. 2014

AMR

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This paper presents the modeling and analysis method of acoustic noise levels of whole audible frequency range for Chinese Space Station (CSS) module. UsingBoundaryElementModeling(BEM), the acoustic analysis model of low frequency range for CSS module was established. The analysis model of high frequency range was created by usingStatistical EnergyAnalysis(SEA) method. Based on the established models, the acoustic noise levels in all areas of CSS module were analyzed and the results for some typical areas are provided. Finally, the acoustic contribution of noise sources according to their spectral characteristics is analyzed and the implementation of noise control methods to reduce acoustic levels in CSS module is discussed.

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Section: Acoustic Modeling Of Css Modulementioning

confidence: 99%