Simulating the sound transmission loss of complex curved panels with attached noise control materials using periodic cell wavemodes
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.06.027
Abstract: Abstract The sound transmission loss of complex curved aircraft panels under diffuse acoustic field excitation is experimentally and numerically studied. Two different aircraft sidewall panels are considered: a thick composite sandwich panel and a thin… read more here.
Keywords: transmission loss; sound transmission; complex curved; loss complex ... See more keywords
An investigation of the sound transmission loss for elastomeric vehicle door seals
Sign Up to like & getrecommendations! Published in 2020 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2020.107296
Abstract: Abstract The reduction of noise in vehicle body components is one of the main themes of the acoustics profession for vehicles. At high vehicle cruising speeds, the predominant contributor to wind noise occurs via the… read more here.
Keywords: system; vehicle; door seals; sound transmission ... See more keywords
External mean flow effect on sound transmission through composite sandwich structures filled with porous materials
Sign Up to like & getrecommendations! Published in 2022 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2021.09.014
Abstract: Abstract A theoretical model is developed to investigate the influence of external mean flow on sound transmission loss (STL) through composite sandwich panels filled with porous materials. The equations of the motions for the composite… read more here.
Keywords: mean flow; sandwich structures; external mean; sound transmission ... See more keywords
Sound transmission loss behavior of sandwich panel with different truss cores under external mean airflow
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.01.050
Abstract: Abstract This paper presents an analytical study on the sound transmission loss characteristics of sandwich plate with different truss cores under external mean airflow. Three types of truss cores are considered, which include pyramidal core,… read more here.
Keywords: transmission loss; different truss; truss cores; sound transmission ... See more keywords
Simplified method for calculating airborne sound transmission through composite barriers
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2021.114526
Abstract: Abstract The sound transmission loss (STL) of composite barriers is investigated by means of 3D structure-acoustic finite element analysis (FEA). A simplified calculation method for fast assessment of sound insulation properties of complex structures is… read more here.
Keywords: composite barriers; frequency range; sound transmission; method calculating ... See more keywords
Impedances of the inner and middle ear estimated from intracochlear sound pressures in normal human temporal bones
Sign Up to like & getrecommendations! Published in 2018 at "Hearing Research"
DOI: 10.1016/j.heares.2018.06.019
Abstract: ABSTRACT For almost a decade, we have measured intracochlear sound pressures evoked by air conducted (AC) sound presented to the ear canal in many fresh human cadaveric specimens. Similar measurements were also obtained during round… read more here.
Keywords: stimulation; sound pressures; sound transmission; intracochlear sound ... See more keywords
Analysis of different techniques to improve sound transmission loss in cylindrical shells
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2016.11.016
Abstract: Abstract In this study, sound transmission through double- and triple-walled shells is investigated. The structure-acoustic equations based on Donnell's shell theory are presented and transmission losses calculated by this approach are compared with the transmission… read more here.
Keywords: transmission; frequency; different techniques; transmission losses ... See more keywords
Numerical and experimental investigation on structure-borne sound transmission in multilayered concrete structures
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.09.028
Abstract: Abstract Environmental vibrations in cities are transmitted to buildings and propagate through the buildings via complex paths composed of the structural elements in the building, such as concrete slabs, beams, and columns. In this study,… read more here.
Keywords: numerical experimental; structure borne; borne sound; sound transmission ... See more keywords
Fast mean and variance computation of the diffuse sound transmission through finite-sized thick and layered wall and floor systems
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.02.001
Abstract: Abstract A method is developed for computing the mean and variance of the diffuse field sound transmission loss of finite-sized layered wall and floor systems that consist of solid, fluid and/or poroelastic layers. This is… read more here.
Keywords: mean variance; wall floor; sound transmission; method ... See more keywords
Experimental and analytical investigation on sound transmission loss of cylindrical shells with absorbing material
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.07.017
Abstract: Abstract In this study, sound transmission through a thin-walled cylindrical shell is investigated both analytically and experimentally. A theoretical model based on statistical energy analysis (SEA) is developed in order to calculate the noise reduction… read more here.
Keywords: transmission; transmission loss; cylindrical shell; sound transmission ... See more keywords
A wave and finite element based homogenised model for predicting sound transmission through honeycomb panels
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.114963
Abstract: Abstract For vibroacoustic analysis, honeycomb-cored panels are often modelled as homogenised solid plates, which involves various assumptions and approximations. In this paper, a wave and finite element (WFE) based modelling strategy is proposed to predict… read more here.
Keywords: finite element; homogenised model; honeycomb; model ... See more keywords