caa of an air-cooling system for electronic devices
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ID: 170491
2016
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Abstract
This paper presents the workflow and the results of fluid dynamics and aeroacoustic simulations for an air-cooling system as used in electronic devices. The setup represents a generic electronic device with several electronic assemblies with forced convection cooling by two axial fans. The aeroacoustic performance is computed using a hybrid method. In a first step, two unsteady CFD simulations using the Unsteady Reynolds-Averaged Navier-Stokes simulation with Shear Stress Transport (URANS-SST) turbulence model and the Scale Adaptive Simulation with Shear Stress Transport (SAS-SST) models were performed. Based on the unsteady flow results, the acoustic source terms were calculated using Lighthill’s acoustic analogy. Propagation of the flow-induced sound was computed using the Finite Element Method. Finally, the results of the acoustic simulation are compared with measurements and show good agreement.
| Reference Key |
mnsterjohann2016advancescaa
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|---|---|
| Authors | ;Sven Münsterjohann;Jens Grabinger;Stefan Becker;Manfred Kaltenbacher |
| Journal | malaria journal |
| Year | 2016 |
| DOI |
10.1155/2016/4785389
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| URL | |
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