Improvement of the prediction of the acoustic and aeraulic performance of cylindrical silencers (with central pod)

The improvement of the prediction of the acoustic and aeraulic performance of cylindrical silencers (with central pod) is the subject of Research and Development (R&D) works sinces decades.

Indeed, the cylindrical silencers with central pod are of common use when it is a question of limiting the propagation of noise in a network of pipes or ducts themselves of circular geometry.

This is notably the case for industrial processes and, in the building sector, for all or part of the...

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Silencers - Modeling the acoustic behavior of curved absorbers

Modeling the acoustic behavior of curved absorbers is of the greatest interest in terms of acoustics.

Indeed, curved absorbers occupy a place of choice among the soundproofing components since they constitute the lining of the cylindrical dissipative silencers, often used in the context of industrial sound insulation projects (e.g. for fan discharge, downstream of the diffusers of vent silencers for pressurized gas, downstream of reactive mufflers for thermal engine exhaust lines) and for...

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Simulation of acoustic and aerodynamic performance of silencers with CFD, FEM & BEM calculation tools

Computational Fluid Dynamics (CFD), to which reference is often made by using english wording, is a computational method for studying the motion of a gas or of a liquid, or its effects, by the numerical resolution of the equations that govern its behavior, considering a mesh of the studied system.

The Finite Element Method (FEM) and the Boundary Element Method (BEM), to which reference is also often made by using english wording, are intended to numerically solve equations such as those...

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