Results 11 to 20 of about 43,909 (261)
Sound transmission loss of windows [PDF]
The Journal of the Acoustical Society of America, 1979 An extensive series of measurements has been made to obtain a systematic evaluation of the effects of glass thickness and interpane spacing on the sound transmission loss of windows. These included 93 laboratory measurements conforming to ASTM standard E90 and field measurements on a subset of 18 of these window types.
openaire +1 more source
Physics-Aware Machine-Learning-Driven Inverse Design of Broadband Ultra-Open Acoustic Metamaterials. [PDF]
Adv Sci (Weinh)A physics‐aware machine‐learning framework enables inverse design of ultra‐open acoustic silencers by decoupling spectral and radial design spaces. The approach rapidly identifies broadband, compact, and highly ventilated architectures, while revealing hidden linear design rules that link geometry, impedance matching, and acoustic performance.
Yang Z +5 more
europepmc +2 more sources
Effect of sound-absorptive facings on partition airborne-sound transmission loss [PDF]
The Journal of the Acoustical Society of America, 1977 Laboratory measurements of the improvement of partition airborne-sound transmission loss in the presence of sound-absorptive partition facings are presented. For a double-leaf partition of 1/2-in.-thick gypsum board on 2×4-in. studs, the application of such facings has led to improvements in transmission loss in excess of 10 dB in the 1/3-octave bands ...
Steven M. Brown +2 more
openaire +1 more source
Noise prediction considering transmitted sound from noise barriers
Nihon Kikai Gakkai ronbunshu, 2019 In the noise prediction on railway viaducts by numerical acoustic analysis, it is premised that the noise barriers have sufficient sound insulation performance.
Daigo SATO, Akira OMOTO
doaj +1 more source
Experimental Investigation of Sound Transmission Loss in Double-Glazing Filled with Hydrogel
Muhandisī-i bihdāsht-i ḥirfah/ī, 2022 Background and Objective: Double-glazing is one of the methods of sound control. The use of materials other than gas inside double-glazing can develop sound transmission loss.
Iraj Ali Mohammadi +4 more
doaj
Archives of Acoustics, 2015 The paper presents application of Taguchi method in optimizing the sound transmission loss through sandwich gypsum constructions and those comprising of masonry concrete blocks and gypsum boards in order to investigate the relative influence of the ...
Naveen GARG, Anil KUMAR, Sagar MAJI
doaj +1 more source
Experimental study on sound transmission loss of plenum windows [PDF]
The Journal of the Acoustical Society of America, 2019 To investigate the noise reduction mechanism of plenum windows, the paper experimentally studied the influence of the air-gap spacing between two glass panes, the panel thickness, and the opening size on the sound transmission loss (TL). The results show that when the half wavelength of impinged sound is smaller than the air-gap spacing, the TL can be ...
Liangfen, Du +2 more
openaire +2 more sources
Effect of Humidity on Sound-Transmission Loss [PDF]
The Journal of the Acoustical Society of America, 1964 A test program was recently instituted by the United States Gypsum Company Research Center with the cooperation of the Riverbank Acoustical Laboratories to determine the effect of ambient humidity on the sound-transmission loss of a double-leaf gypsum-board partition system. The results of this test series were quite explicit.
openaire +1 more source
A new method to compute sound transmission loss by acoustic FEM
Nihon Kikai Gakkai ronbunshu, 2014 In this paper, a new method to evaluate performance of sound insulating plates in closed medium is investigated by using acoustic finite element method (FEM) under such two conditions that plates are having free ends and that plates are simply supported.
Sachiko ISHIDA +3 more
doaj +1 more source
Recent Advances in the Sound Insulation Properties of Bio-based Materials
BioResources, 2013 Many bio-based materials, which have lower environmental impact than traditional synthetic materials, show good sound absorbing and sound insulation performances. This review highlights progress in sound transmission properties of bio-based materials and
Xiaodong Zhu +3 more
doaj +1 more source