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Liberson, Lev and Lummer, Markus and Mößner, Michael and Ewert, Roland and Delfs, Jan Werner (2018) Broadband Noise Prediction of a Ducted Axial Fan by Means of a Discontinuous Galerkin based CAA Solver. CEAA 2018 - Fifth International Workshop "Computational Experiment in AeroAcoustics", 2018-09-19 - 2018-09-20, Svetlogorsk, Russland.
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Abstract
To obtain a low-noise fan design in a justifiable amount of time, efficient computational aeroacoustic (CAA) methods are necessary for the prediction of aerodynamically generated noise. To bridge the gap between the high computational effort of scale resolving simulations and the limited predictability of semi-empirical models, a first principle based approach for broadband noise prediction is developed at the Department of Technical Acoustics of the German Aerospace Center (DLR).
| Item URL in elib: | https://elib.dlr.de/130287/ | ||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||||||
| Title: | Broadband Noise Prediction of a Ducted Axial Fan by Means of a Discontinuous Galerkin based CAA Solver | ||||||||||||||||||||||||
| Authors: |
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| Date: | 19 September 2018 | ||||||||||||||||||||||||
| Refereed publication: | No | ||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | Acoustics, Aeroacoustics, Simulation, Computational Fluid Dynamics, Numerical Aeroacoustics, Synthetic Turbulence, Hybrid CAA Methods, Acoustic Perturbation Equations, Stochastic Turbulence Reconstruction, HVAC Systems, Axial Ventilator, Discontinuous Galerkin Method, Tip Gap Noise | ||||||||||||||||||||||||
| Event Title: | CEAA 2018 - Fifth International Workshop "Computational Experiment in AeroAcoustics" | ||||||||||||||||||||||||
| Event Location: | Svetlogorsk, Russland | ||||||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||||||
| Event Start Date: | 19 September 2018 | ||||||||||||||||||||||||
| Event End Date: | 20 September 2018 | ||||||||||||||||||||||||
| Organizer: | Keldysh Institute of Applied Mathematics RAS | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||||||
| HGF - Program Themes: | fixed-wing aircraft | ||||||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||||||
| DLR - Research theme (Project): | L - Simulation and Validation (old) | ||||||||||||||||||||||||
| Location: | Braunschweig | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute for Aerodynamics and Flow Technology > Technical Acoustics | ||||||||||||||||||||||||
| Deposited By: | Liberson, Lev | ||||||||||||||||||||||||
| Deposited On: | 28 Nov 2019 13:56 | ||||||||||||||||||||||||
| Last Modified: | 01 Jun 2026 11:11 |
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