Results 61 to 70 of about 1,377,424 (247)
Strength Analysis of Sound Insulation Body in Ring Groove for Acoustic Logging While Drilling
Shiyou jixie, 2017 The sound insulation body in ring groove is a kind of sound insulation body that is commonly used in the acoustic logging while drilling. The numerical simulation method has been used to study the maximum equivalent stress area of the sound insulation ...
Wu Neng, Zhao Honglin, Liu Xu, Li Yufang
doaj
AIP AdvancesIn this study, we designed a single-opening Helmholtz chamber type acoustic metamaterial with two sides. The complexity of the open channel results in the material having a low frequency of the first sound insulation peak and excellent sound insulation ...
PeiZhou Hu +5 more
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Journal of Natural FibersNatural fiber has been widely used as reinforcement in polymer composites, and the excellent sound insulation and lower mechanical properties of natural fiber increased research interest in hybrid fiber-reinforced composites.
Kaomin Zhang +6 more
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Archives of Acoustics, 2019 The main problem in the measurement of airborne sound insulation is the measurement of the sound power radiated by the barrier, in practice performed by measuring the sound pressure level and the acoustic absorption in the receiving room.
Dominik MLECZKO, Tadeusz WSZOŁEK
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Applied Sciences, 2020 The appropriate acoustic insulation project of building façades is of importance for the design of highly comfortable living environments. In some countries, national regulations require maximum noise levels inside rooms, or minimum sound insulation ...
Nicola Granzotto, Edoardo Alessio Piana
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Airborne sound insulation of wall structures : measurement and prediction methods [PDF]
, 2000 Protection against noise is one of the six essential requirements of the European Construction Product directive. In buildings, airborne sound insulation is used to define the acoustical quality between rooms.
Hongisto, Valtteri
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The Influence of Rosin, Blowing Agent, and Mould Type on the Sound Insulation of Paper-based Foams
BioResources, 2022 Wooden foams have been extensively researched in recent years because of their special structure and green features. At the same time, noise pollution is increasing, prompting sound insulation to become another research focus.
Haoyuan Li +6 more
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Sound Insulation Characteristics Optimization Design of Hydrogen Train’ Interior Floor
机车电传动, 2017 Structure of floor is one of the main path in which wheel-rail noise and underbody electrical equipment noise transmit to interior of the vehicle. Interior floor is one of the important parts of the whole floor structure, the reasonable design of the ...
LUO Zhuhui +4 more
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The equivalent translational stiffness of steel studs [PDF]
, 2010 The effect of the resilience of the steel studs on the sound insulation of steel stud cavity walls can be modelled as an equivalent translational stiffness in simple models for predicting the sound insulation of walls. Numerical calculations (Poblet-Puig
Davy, J, Guigou-Carter, C, Villot, M
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PolymersNew composites made of natural fiber polymers such as wasted date palm surface fiber (DPSF) and pineapple leaf fibers (PALFs) are developed in an attempt to lower the environmental impact worldwide and, at the same time, produce eco-friendly insulation ...
Mohamed Ali +5 more
semanticscholar +1 more source