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3D acoustic modelling of dissipative silencers with nonhomogeneous properties and mean flow

Sánchez Orgaz, Eva María; Denia, Francisco David; Martínez-Casas, José; Baeza, Luis (Hindawi Publishing Corporation, 2014-06)

A finite element approach is proposed for the acoustic analysis of automotive silencers including a perforated duct with uniform axial mean flow and an outer chamber with heterogeneous absorbent material. This material can ...
Advanced numerical techniques for the acoustic modelling of materials and noise control devices in the exhaust system of internal combustion engines

Sánchez Orgaz, Eva María (Universitat Politècnica de València, 2016-05-16)

[EN] This Thesis is focused on the development and implementation of efficient numerical methods for the acoustic modelling and design of noise control devices in the exhaust system of combustion engines. Special attention ...
Point collocation scheme in silencers with temperature gradient and mean flow

Denia Guzmán, Francisco David; Sánchez Orgaz, Eva María; Baeza González, Luis Miguel; Kirby, R (Elsevier, 2016-01-01)

This work presents a mathematical approach based on the point collocation technique to compute the transmission loss of perforated dissipative silencers with transversal temperature gradients and mean flow. Three-dimensional ...

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