The Proceedings of Ibaraki District Conference
Online ISSN : 2424-2683
ISSN-L : 2424-2683
2018.26
Session ID : 101
Conference information

Host: The Japan Society of Mechanical Engineers

Name : [in Japanese]

Date : August 22, 2018

Numerical simulation on fluid dynamic noise
*Genki MORISHITA, Yanrong LI, Terumi INAGAKI
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Keywords: Numerical simulation, Turbulent model, Turbulent flow, Turbulent flow, Fluid noise, Horizontal cylinder
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Abstract
Fluid noise is what always happens in the windmill. Therefore, the purpose of this study is to analyze the fluid noise induced around horizontal cylinder using numerical simulation. The tubulence models used in the numerical simulation are SST k-ω model，LES (Large Eddy Simulation) model and Dynamic-LES (Dynamic-Large Eddy Simulation) model. The acoustic model is FW-H model. The caluclation target is the cylinder. Characteristics of the fluid noise is revealed by the FFT analysis and wavelet analysis.
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© 2018 The Japan Society of Mechanical Engineers
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