Population divergence in the acoustic properties of crickets during the COVID‐19 pandemic
Sign Up to like & getrecommendations! Published in 2021 at "Ecology"
DOI: 10.1002/ecy.3323
Abstract: During the year 2020, the COVID-19 crisis resulted in many countries around the world going into a nationwide lockdown that lasted between weeks and months (Rutz et al. 2020). Anecdotal observations and social media revealed… read more here.
Keywords: population divergence; covid pandemic; divergence acoustic; acoustic properties ... See more keywords
Acoustic Properties of Multilayered Structures
Sign Up to like & getrecommendations! Published in 2020 at "Acoustics Australia"
DOI: 10.1007/s40857-020-00196-0
Abstract: The acoustic performance of multilayered structures (MLSs) can be identified by experiments and calculation models that use commercially available software. This paper presents both an experimental method and data processing techniques that can be used… read more here.
Keywords: calculation; multilayered structures; acoustic properties; properties multilayered ... See more keywords
Assessment of methods to study the acoustic properties of heterogeneous perforated panel absorbers
Sign Up to like & getrecommendations! Published in 2018 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2017.12.001
Abstract: Abstract Heterogeneous perforated panels are of great interest as sound absorbers, while achieving a smart high-end decoration in meeting rooms, showrooms, conference halls, etc. However, their uneven nature may pose a difficulty when trying to… read more here.
Keywords: heterogeneous perforated; properties heterogeneous; methods study; study acoustic ... See more keywords
Study on acoustic properties at normal incidence of three-multilayer composite made of glass wool, glue and polyurethane foam
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.07.016
Abstract: Abstract The sound absorption and sound insulation properties of multilayer composites can be changed rapidly by optimizing the combination of acoustic parameters between different layers. In order to study the influence of volume modulus, loss… read more here.
Keywords: absorption; glass wool; acoustic properties; multilayer ... See more keywords
Sound absorption performance of sustainable foam materials: Application of analytical and numerical tools for the optimization of forecasting models
Sign Up to like & getrecommendations! Published in 2020 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.107166
Abstract: Abstract Traditional models used to predict acoustic properties of poroelastic materials are usually applied to fibrous layers or polyurethane foams. However, for new materials like complex cellular foams these procedures may not be applied due… read more here.
Keywords: foam; foam materials; acoustic properties; sustainable foam ... See more keywords
Study of the electronic, bonding, elastic and acoustic properties of covellite via first principles
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.09.095
Abstract: Abstract Covellite (CuS) is a compound with a simple chemical formula but a rather complex crystal structure. In this work, we studied the electronic, bonding, elastic and acoustic properties of covellite by first principles calculation.… read more here.
Keywords: bonding elastic; acoustic properties; properties covellite; elastic acoustic ... See more keywords
Caprock characterization of Upper Jurassic organic-rich shales using acoustic properties, Norwegian Continental Shelf
Sign Up to like & getrecommendations! Published in 2020 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2020.104603
Abstract: Abstract Our analysis of a comprehensive well log database and complementary mineralogical and geochemical information indicates that the risk for Upper Jurassic shales on the Norwegian Continental Shelf (NCS) to permit severe leakage of hydrocarbons… read more here.
Keywords: organic rich; caprock; continental shelf; upper jurassic ... See more keywords
Thermo-acoustic properties of maltose in aqueous amino acids system
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.112932
Abstract: Abstract Sweetness behavior of a carbohydrate namely maltose was studied in the presence of amino acids (L-alanine and L-arginine) in terms of volumetric and acoustic properties of their solutions. Density (ρ) and ultrasonic velocity (μ)… read more here.
Keywords: amino; amino acids; aqueous amino; maltose aqueous ... See more keywords
Thermo-Acoustic Properties of (Ethanol + n-Heptane) Binary Mixtures from 293.35 to 433.89 K and up to 5.0 MPa
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Chemical & Engineering Data"
DOI: 10.1021/acs.jced.0c00237
Abstract: The experimental speeds of sound for the binary system of ethanol (1) + n-heptane (2) with the mole fractions of ethanol being (0.100, 0.300, 0.500, 0.700, and 0.900) were measured by Rayleigh-Bril... read more here.
Keywords: thermo acoustic; ethanol heptane; heptane binary; acoustic properties ... See more keywords
Water Uptake and Its Effects on Mechanical and Acoustic Properties of flax/polypropylene Composite
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Natural Fibers"
DOI: 10.1080/15440478.2019.1691112
Abstract: ABSTRACT The effects of moisture on the mechanical and acoustic properties of flax fibers embedded in polypropylene (PP) were investigated in the present study. Flax/PP and hybrid flax-carbon/PP samples were immersed in water at controlled… read more here.
Keywords: mechanical acoustic; carbon; properties flax; water ... See more keywords
Auxetic behavior and acoustic properties of microstructured piezoelectric strain sensors
Sign Up to like & getrecommendations! Published in 2017 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/aa7772
Abstract: The use of multifunctional composite materials adopting piezo-electric periodic cellular lattice structures with auxetic elastic behavior is a recent and promising solution in the design of piezoelectric sensors. In the present work, periodic anti-tetrachiral auxetic… read more here.
Keywords: properties microstructured; strain sensors; acoustic properties; auxetic behavior ... See more keywords