Results 201 to 210 of about 22,575 (260)

Multiscale numerical simulation based on Caflisch model to interpret power-induced quenching for sonochemical reactions. [PDF]

Ultrason Sonochem
Hayashi R, Yamamoto T.
europepmc   +1 more source

Pressure-induced modulation of structural, mechanical, electronic, optical, and thermodynamic properties of KZn₄As₃ and CsCd₄As₃ zintl compounds: implications for thermal and optoelectronic applications. [PDF]

RSC Adv
Hossain MR, Al Sakib A, Paul AK, Bhattacharyya A, Ahmed F.   +4 more
europepmc   +1 more source

Numerical simulation of heat and mass transfer in vacuum far-infrared drying of rhubarb slices enhanced by multi-frequency ultrasound. [PDF]

Ultrason Sonochem
Wang T, Ying X, Wan F, Huang X, Yan W, Zheng S.   +5 more
europepmc   +1 more source

Tuning the acoustic and thermal insulation properties of polyimide aerogels <i>via</i> molecular rigidity and solid content synergy. [PDF]

RSC Adv
Wang Z, Qian G, Wang H, Li D, Li H.
europepmc   +1 more source

Vibroacoustic Metamaterials for Low-Frequency Sound and Vibration Attenuation in Electric Vehicles: A Review. [PDF]

Materials (Basel)
Horvath K.
europepmc   +1 more source

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Low-frequency underwater sound absorption metamaterial

Physica Scripta, 2022
Abstract Air bubbles in liquid are known for exhibiting low-frequency resonance and can be considered as passive scatterers. In this paper, we design an acoustic metamaterial consisting of an air bubble in a water-filled metal shell with an opening to develop low frequency underwater sound absorber. Numerical simulation is carried out
Tian Wang, Gui-Bo Wang, Ruo-Jun Zhang, Man-Zhu Ke   +3 more
openaire   +1 more source

Low-frequency absorption of sound in air

The Journal of the Acoustical Society of America, 1985
An extensive series of sound absorption measurements were taken in air over a range of frequencies from 10–2500 Hz, of temperature from 10°–50 °C, and of relative humidity from 0.3%–92%, all at a pressure of 1 atm. The N2 and O2 vibrational absorption components were extracted from a relatively large background absorption by means of a differential ...
Allan J. Zuckerwar, Roger W. Meredith
openaire   +1 more source

Panel Absorbents for Low Frequency Sound Absorption

IETE Journal of Research, 1959
AbstractPlywood panel absorbents have been designed and constructed for low frequency sound absorption. These have been tested in the laboratory and in the chamber. The resonant panels vibrating at low audio frequencies show effective absorption in the range 75–300 c./s.
N. K. D. Choudhury, M. V. S. S. Kanta Rao   +1 more
openaire   +1 more source

Low-frequency sound absorption in the Baltic Sea

The Journal of the Acoustical Society of America, 1985
Interpretation of attenuation measurements in the Baltic Sea [H. G. Schneider, R. Thiele, and P. C. Wille, J. Acoust. Soc. Am. (to be published, 1985)] indicates a need for estimating sound absorption in low salinity waters. While the magnesium sulfate component depends simply on the first power of salinity, the low-frequency boric acid relaxation is ...
R. H. Mellen, P. Mallo, S. J. Candau
openaire   +1 more source