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Hongming Cai, Zhuoran Zhang, Ziqi Li and Hongda Li
Cavity flows are a prevalent phenomenon in aerospace engineering, known for their intricate structures and substantial pressure fluctuations arising from interactions among vortices. The primary objective of this research is to predict noise levels in hi...
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Qiaoyue Yang, Wei Li, Leilei Ji, Weidong Shi, Wei Pu, Yu Long and Xinrui He
This study presents a comprehensive investigation of the internal noise characteristics of a mixed-flow pump by combining computational fluid dynamics (CFD) and computational acoustics. The turbulent flow field of the pump is simulated using the unsteady...
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Jan Geese, Julian Kimmerl, Marc Nadler and Moustafa Abdel-Maksoud
The investigation of cavitating trailing vortices emerging from marine propellers is of great interest in the industry. With the help of computational fluid dynamics (CFD), studying the cavitating trailing vortices may be facilitated. However, limitation...
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Joshua D. Blake, Adrian Sescu, David Thompson and Yuji Hattori
Large-eddy simulation (LES)-based jet noise predictions do not resolve the entire broadband noise spectra, often under-predicting high frequencies that correspond to un-resolved small-scale turbulence. The coupled LES-synthetic turbulence (CLST) model is...
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Stefan Nilsson, Hua-Dong Yao, Anders Karlsson and Sebastian Arvidson
The effects of elastic cavity walls on noise generation at transonic speed are investigated for the generic M219 cavity. The flow is simulated with the Spalart?Allmaras (SA) improved delayed detached-eddy simulation (IDDES) turbulence model in combinatio...
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