Sound Absorption Characteristics of Polyurethane and Polystyrene Foams as Inexpensive Acoustic Treatments
Sign Up to like & getrecommendations! Published in 2019 at "Acoustics Australia"
DOI: 10.1007/s40857-019-00168-z
Abstract: This work examines the absorption characteristics of two well-known porous materials—polyurethane foam (PUF) and polystyrene foam (PSF)—both of which are locally produced and readily available in Saudi Arabia. Nine samples were selected after a careful… read more here.
Keywords: absorption; absorption characteristics; air; material ... See more keywords
Predicting absorption characteristics of single-leaf permeable membrane absorbers using finite element method in a time domain
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2019.03.006
Abstract: Abstract Permeable membranes (PMs), which are air-permeable thin woven fabrics or non-woven fabrics, are attractive sound-absorbing materials used to control acoustics in buildings. Although the absorption characteristics of various PM absorbers have been studied extensively,… read more here.
Keywords: pms; single leaf; method; absorption ... See more keywords
Absorption characteristics of aerosols over the central Himalayas and its adjacent foothills
Sign Up to like & getrecommendations! Published in 2020 at "Atmospheric Research"
DOI: 10.1016/j.atmosres.2019.104718
Abstract: Abstract The absorption characteristics and source processes of aerosols are investigated at two nearby distinct altitude sites: Nainital, located over the central Himalayas (~1958 m amsl) and Pantnagar, in the adjacent foothill region (~231 m amsl) in… read more here.
Keywords: absorption characteristics; biomass; central himalayas; region ... See more keywords
Comparison of energy absorption characteristics of PCM-metal foam systems with different pore size distributions
Sign Up to like & getrecommendations! Published in 2020 at "Journal of energy storage"
DOI: 10.1016/j.est.2019.101190
Abstract: Abstract This paper presents a study on the effect of pore size on energy absorption characteristics of a PCM-metal foam energy storage system. Different metal foam geometries are generated by using a geometry creation model… read more here.
Keywords: metal foam; absorption characteristics; energy; energy absorption ... See more keywords
Improved and tunable optical absorption characteristics of MQW GaAs/AlGaAs nano-scale heterostructure
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164544
Abstract: Abstract In this article, we report the significant improvement with the tunable character of optical absorption characteristics of MQW (multi quantum well) GaAs/AlGaAs nano-scale heterostructure. The improvement and tunability of the optical characteristics have been… read more here.
Keywords: absorption; optical absorption; absorption characteristics; characteristics mqw ... See more keywords
Energy absorption characteristics of bio-inspired honeycomb column thin-walled structure under impact loading.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the mechanical behavior of biomedical materials"
DOI: 10.1016/j.jmbbm.2018.01.001
Abstract: Beetles have developed the elytra that are interesting and impressive strategy for thriving in their native environments. The elytra, although formed from simple biopolymer constituents, take on many effective designs. In present work, internal structure… read more here.
Keywords: absorption characteristics; structure; column; energy absorption ... See more keywords
Analysis of dispersion and absorption characteristics of shear waves in sinusoidally corrugated elastic medium with void pores
Sign Up to like & getrecommendations! Published in 2017 at "Royal Society Open Science"
DOI: 10.1098/rsos.160511
Abstract: This theoretical work reports the dispersion and absorption characteristics of horizontally polarized shear wave (SH-wave) in a corrugated medium with void pores sandwiched between two dissimilar half-spaces. The dispersion and absorption equations have been derived… read more here.
Keywords: dispersion; dispersion absorption; medium void; absorption characteristics ... See more keywords
Numerical investigation on energy absorption characteristics and damage modes of biomimetic thin-walled structures in aircraft
Sign Up to like & getrecommendations! Published in 2024 at "Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications"
DOI: 10.1177/14644207241306977
Abstract: The crashworthiness of aircraft is essential for both airlines and passengers. Creating lightweight protective structures that achieve a balance between weight and impact resistance while also providing excellent cushioning and energy absorption presents a significant… read more here.
Keywords: numerical investigation; thin walled; energy; energy absorption ... See more keywords
Synthesis and Light-absorption Characteristics of Thiophene Derivatives Bearing Ferrocenylthiocarbonyl Groups#
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry Letters"
DOI: 10.1246/cl.160866
Abstract: Thiophene-based dyes bearing two ferrocenylcarbonyl groups were obtained from a short synthesis involving direct arylations of the thiophene rings. A subsequent thionation of the carbonyl groups resulted in the formation of new thiophene-based dyes bearing… read more here.
Keywords: absorption; absorption characteristics; synthesis light; characteristics thiophene ... See more keywords
Band structural and absorption characteristics of antimonene/bismuthene monolayer heterojunction calculated by first-principles
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.973516
Abstract: The band gap of lateral heterojunctions (LHSs) can be continuously tuned by changing the widths of their components. In this work, Sb/Bi LHSs based on monolayer Sb and Bi atoms with armchair and zigzag interfaces… read more here.
Keywords: band; absorption characteristics; sbn bin; monolayer ... See more keywords