Two-Step Inversion of Geoacoustic Parameters with Bottom Reverberation and Transmission Loss in the Deep Ocean
Sign Up to like & getrecommendations! Published in 2018 at "Acoustics Australia"
DOI: 10.1007/s40857-018-0130-2
Abstract: The parameters of deep ocean sediments are relevant for accurately predicting the sound field; however, it is difficult to measure the parameters in situ. Most inversion methods used in shallow water are inapplicable in the… read more here.
Keywords: transmission loss; inversion; two step; deep ocean ... See more keywords
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
Vibro-acoustic response and sound transmission loss characteristics of truss core sandwich panel filled with foam
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.03.029
Abstract: Abstract This paper presents the studies carried out for improving the acoustic behavior of truss core sandwich panel, which is mostly used in aerospace structural applications. The empty space of the truss core is filled… read more here.
Keywords: transmission loss; panel; truss core; core ... 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
Analysis of the measurement of transmission loss in rigid building materials with a standing wave tube
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.06.098
Abstract: Abstract We explore the limits of the use of the Kund’s tube and the transfer matrix method for the measurement of transmission loss with common building materials. The results of several tests performed in a… read more here.
Keywords: building materials; transmission loss; tube;
Prediction of the transmission loss in a flexible chamber
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluids and Structures"
DOI: 10.1016/j.jfluidstructs.2018.07.003
Abstract: Abstract Acoustic components have been extensively studied supposing perfectly rigid behavior. Although some works have been performed for the radiated sound in the case of a flexible element, an important lack of information exists concerning… read more here.
Keywords: chamber; transmission loss; transmission; prediction transmission ... 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
Design optimization of a cellular-type noise insulation panel to improve transmission loss at low frequency
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.01.046
Abstract: Abstract In this paper, a systematic design method is proposed to improve the sound transmission loss of a cellular-type noise insulation panel, which is a thin rectangular plate with supporting frame. The unit cell of… read more here.
Keywords: transmission loss; noise insulation; transmission;
Transmission loss of plates with multiple embedded acoustic black holes using statistical modal energy distribution analysis
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2020.107262
Abstract: Acoustic black holes (ABHs) in beams and plates have been extensively studied as a passive method for vibration attenuation and noise reduction. However, most research to date has focused on analyzing the behavior of a… read more here.
Keywords: transmission loss; acoustic black; analysis; energy ... See more keywords
Characterizing Transmission Loss Variability During the Target and Reverberation Experiment 2013
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Oceanic Engineering"
DOI: 10.1109/joe.2017.2699058
Abstract: A significant driver of uncertainty in sonar performance is the variability in underwater acoustical propagation caused by environmental fluctuations and uncertainty in the position of sources, targets, and receivers. A set of echo-repeat experiments was… read more here.
Keywords: transmission loss; variability; reverberation experiment; experiment 2013 ... See more keywords
Some practical issues affecting repeatability and reproducibility in laboratory transmission loss tests
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988881
Abstract: The ASTM standard E90 defines the measurement of transmission loss, equivalent to the sound reduction index defined in ISO 10140. ASTM E90 and ISO 10140 specify requirements for the laboratory, the test procedure and conditions,… read more here.
Keywords: laboratory transmission; transmission loss; transmission; repeatability reproducibility ... See more keywords