Results 81 to 90 of about 1,377,424 (247)
Optimization Design and Experimental Testing of Sound Insulation Performance for Silent Cabins
Applied SciencesThis study investigates the sound insulation performance of an anechoic chamber, exploring the influence patterns of different multilayer material combinations on wall sound insulation characteristics.
Li Tang +4 more
doaj +1 more source
EXPERIMENTAL ANALYSIS OF INNOVATIVE ACOUSTIC MA-TERIALS FOR ENGINE NOISE CONTROL IN VEHICLES [PDF]
, 2019 Due to the continuous evolution of vehicle noise regulations, the automotive industry is increasingly looking for more efficient engine bay design solutions to control noise coming from the engine.
Alfonso, Molaro +5 more
core
Application of acoustically tuned resonators for the improvement of sound insulation in aircraft [PDF]
, 2005 One of the aims of the EU project FACE (Friendly Aircraft Cabin Environment) is to reduce aircraft interior noise. For modern aircraft flying at cruise conditions, the turbulent boundary layer is the main source for cabin noise.
Boer, A. de +3 more
core +1 more source
Advances in Polymer Technology, 2019 Lightweight sound insulation materials have received much attention. In this study, a series of superfine metal powder (SFM)/nitrile-butadiene rubber (NBR)-polyvinyl chloride (PVC) microcellular foaming materials were prepared with NBR-PVC as matrix and ...
Sheng Hu +3 more
doaj +1 more source
Noise reduction performance of thermobonded nonwovens [PDF]
, 2012 Acoustic insulation is an important requirement for the human life today, since noise affects the efficiency of day-to-day activities and even cause various health problems Materials based on fibrous structures show very good acoustic insulation ...
Carvalho, R. +3 more
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Acoustic evaluation of beam and pot slabs with lightweight regularization layers: a case study [PDF]
, 2004 The objective of this work is to evaluate the acoustic performance of beam and pot slabs with regularization layers made of lightweight concrete. The study consists on the analysis of the acoustic behaviour of three types of solutions, through the ...
Almeida, Manuela Guedes de +3 more
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BiomimeticsHoneycomb plates, due to their multi-cavity structure, exhibit excellent mechanical properties and sound insulation. Previous studies have demonstrated that altering the cell size and arrangement of honeycomb structures impacts their acoustic performance.
Yiheng Song +3 more
doaj +1 more source
Retracted: Preparation and Sound Insulation Performance of Polystyrene Building Flame Retardant and Thermal Insulation Building Materials. [PDF]
Int J Anal Chem, 2023 Chemistry IJOA.
europepmc +1 more source
Impacting device for testing insulation [PDF]
, 1984 An electro-mechanical impacting device for testing the bonding of foam insulation to metal is descirbed. The device lightly impacts foam insulation attached to metal to determine whether the insulation is properly bonded to the metal and to determine the
Redmon, J. W.
core +1 more source
Sound insulation dataset of 30 wooden and 8 concrete floors tested in laboratory conditions. [PDF]
Data Brief, 2023 Hongisto V +9 more
europepmc +1 more source