Exploration on relationship between flow rate and sound pressure level of piezoelectric pump
Sign Up to like & getrecommendations! Published in 2019 at "Microsystem Technologies"
DOI: 10.1007/s00542-019-04553-6
Abstract: This study presents the relationship between flow rate and sound pressure level of piezoelectric pump. It also presents the analysis and theoretical calculation for umbrella valve piezoelectric pump on the sound pressure level. Sound pressure… read more here.
Keywords: piezoelectric pump; sound pressure; pressure level;
Mobile phones: A trade-off between speech intelligibility and exposure to noise levels and to radio-frequency electromagnetic fields.
Sign Up to like & getrecommendations! Published in 2019 at "Environmental research"
DOI: 10.1016/j.envres.2019.05.006
Abstract: When making phone calls, cellphone and smartphone users are exposed to radio-frequency (RF) electromagnetic fields (EMFs) and sound pressure simultaneously. Speech intelligibility during mobile phone calls is related to the sound pressure level of speech… read more here.
Keywords: sound pressure; speech intelligibility; exposure; phone ... See more keywords
Evaluation of measurement value and uncertainty of sound pressure level difference obtained by active device noise reduction
Sign Up to like & getrecommendations! Published in 2017 at "Measurement"
DOI: 10.1016/j.measurement.2016.10.050
Abstract: Abstract Acoustic insulation of a device from the environment can be enhanced by appropriate control of its casing vibrations. The level of noise reduction obtained in such way is considered as the main point for… read more here.
Keywords: uncertainty; sound pressure; noise reduction; pressure level ... See more keywords
Offshore exposure experiments on cuttlefish indicate received sound pressure and particle motion levels associated with acoustic trauma
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep45899
Abstract: Recent findings on cephalopods in laboratory conditions showed that exposure to artificial noise had a direct consequence on the statocyst, sensory organs, which are responsible for their equilibrium and movements in the water column. The… read more here.
Keywords: sound pressure; trauma; particle motion; particle ... See more keywords
Noise and Critical Sound Levels During Non-Invasive Ventilation of a Preterm Infant in the Incubator.
Sign Up to like & getrecommendations! Published in 2022 at "Klinische Padiatrie"
DOI: 10.1055/a-1906-0960
Abstract: BACKGROUND Preterm birth and the subsequent necessary treatment in neonatal intensive care units (NICU) subjects the preterm infant to non-physiological noise exposure with potentially adverse consequences for short- and long-term development. Adjusters to improve the… read more here.
Keywords: preterm infant; sound pressure; non invasive; invasive ventilation ... See more keywords
Finite element analysis and research on the influence law of two-cell photoacoustic spectroscopy parameters
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/5.0024888
Abstract: In order to analyze the characteristics of the photoacoustic signals of two identical cells at different distances, this paper conducted a finite element analysis on the influence of the parameters of the two-cell photoacoustic spectrum.… read more here.
Keywords: domain sound; sound pressure; two cell; spectroscopy ... See more keywords
Possible pathomechanisms accounting for both sound/pressure-induced eye movements and video head impulse test data in superior canal dehiscence
Sign Up to like & getrecommendations! Published in 2021 at "Acta Oto-Laryngologica"
DOI: 10.1080/00016489.2021.1944664
Abstract: Since the first descriptions of superior canal dehiscence (SCD) syndrome, it has been widely demonstrated how a bony defect overlying the superior semicircular canal (SSC) can result in a low-impedance pathway for sound and pressure… read more here.
Keywords: eye movements; sound pressure; video head; superior canal ... See more keywords
Fundamental study on the acoustic fields caused by the interference of supersonic jet with a perforated plate
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5067574
Abstract: The supersonic jet contains intensive sound sources. It is known that when this jet collides with the perforated plate, a complicated flow field is formed on the plate and a high-amplitude sound is radiated as… read more here.
Keywords: supersonic jet; jet; sound pressure; pressure levels ... See more keywords
Sound Pressure Interference and Phase Velocities in Shallow Water: Calculation and Experiment
Sign Up to like & getrecommendations! Published in 2020 at "Acoustical Physics"
DOI: 10.1134/s1063771020040053
Abstract: A study was carried out on the interference structure of sound pressure amplitudes, longitudinal projections of phase gradients, and calculated phase velocities in a plane-parallel waveguide. It has been established that the phase velocity values… read more here.
Keywords: phase; phase velocities; water; sound pressure ... See more keywords
Neural networks assisted computational aero-acoustic analysis of an isolated tire
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering"
DOI: 10.1177/0954407020915104
Abstract: The computational aero-acoustic study of an isolated passenger car tire is carried out to understand the effect of dimensions of longitudinal tire grooves and operational parameters (velocity and temperature) on tire noise. The computational fluid… read more here.
Keywords: tire; sound pressure; pressure level; weighted sound ... See more keywords
Influence of the frequency response of the photodetector on the heterodyne interferometer-based sound pressure standards in water.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.009635
Abstract: The heterodyne interferometer has been used to realize the sound pressure unit directly and absolutely for underwater acoustics and ultrasound, which is considered as the primary standard of the hydrophone calibration instead of the reciprocity… read more here.
Keywords: heterodyne interferometer; sound pressure; pressure; frequency response ... See more keywords