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Acoustic calculation of process pipelines of a compressor station for assessing low-frequency pressure pulsations in dead-end branches
Published 2025-01-01Subjects: Get full text
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483
The Domestic Acoustic Environment in Online Education—Part 1: Differences by Gender, Perceived Academic Quality, and Self-Rated Performance
Published 2024-12-01“…The domestic environment plays a critical role in online education, particularly its acoustic aspect. This study investigates whether there are differences in the perception of acoustic variables between students who perceive their academic performance as negative (G1) and those who rate it positively (G2). …”
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484
A Microseismic/Acoustic Emission Source Location Method Using Arrival Times of PS Waves for Unknown Velocity System
Published 2013-10-01“…To eliminate the location error of MS/AE (microseismic/acoustic emission) monitoring systems caused by the measurement deviations of the wave velocity, a MS/AE source location method using P-wave and S-wave arrivals for unknown velocity system (PSAFUVS) was developed. …”
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485
Mechanisms of plastic instability and fracture of compressed and tensile tested Mg-Li alloys investigated using the acoustic emission method
Published 2016-01-01Subjects: Get full text
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486
Experimental Study on Mechanical Properties and Acoustic Emission Characteristics of Water Bearing Sandstone under Stable Cyclic Loading and Unloading
Published 2020-01-01“…Through uniaxial compression testing of rock samples with different water content rates, combined with acoustic emission (AE) analysis, the strength softening and macrodeformation characteristics are obtained, and the influence of water content on acoustic emission characteristics is clarified. …”
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487
Interface Acoustic Waves in 128° YX-LiNbO<sub>3</sub>/SU-8/Overcoat Structures
Published 2025-01-01“…The propagation of interface acoustic waves (IAWs) in 128° YX-LiNbO<sub>3</sub>/SU-8/overcoat structures was theoretically studied and experimentally investigated for different types of overcoat materials and thicknesses of the SU-8 adhesive layer. …”
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488
Assessment of liver fibrosis by acoustic radiation force impulse elastography in rheumatic disease patients on long-term methotrexate treatment
Published 2020-01-01Subjects: “…acoustic radiation force impulse imaging elastography…”
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A Novel Ultrasound Thermometry Method Based on Thermal Strain and Short and Constant Acoustic Bursts: Preliminary Study in Phantoms
Published 2025-01-01“…We hypothesize that it is possible to measure temperature directly using a constant acoustic power burst. Under the assumption that the acoustic attenuation does not change significantly with temperature, the thermal strain induced by such bursts presents a linear relation with temperature. …”
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The influence of technological defects on the mechanical behavior of CFRP during buckling under compression based on DIC data and acoustic emission
Published 2024-04-01“…For the analysis, the study employed a three-dimensional digital optical system, Vic-3D, in conjunction with the AMSY-6 acoustic emission system. The research showcases findings from acoustic emission signals that verify the shear-based mechanism of buckling in plates constructed from CFRP featuring "dry-spot" type defects. …”
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Study on the Influence of the Internal Elastic Constraint Stiffness on the Vib-Acoustic Performance of a Coupled Plate-Cylindrical Shell System
Published 2023-01-01“…Regarding the vib-acoustic performance of internal coupled structures, basically all relevant studies have been confined to the classic form of connections. …”
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Features of Electro-Induced Periodical Structures in LiTaO3 Single Crystal and Their Interaction with Surface Acoustic Wave
Published 2019-01-01“…The observed difference of the electro-induced structures provides a new opportunity to control of the acoustic wave propagation in a ferroelectric substrate. …”
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495
Audio technology for improving social interaction in extended reality
Published 2025-01-01Subjects: Get full text
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496
Analysis and Experimental Study of Automotive Synchronous Belt Transmission Noise
Published 2022-05-01Subjects: Get full text
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497
Experimental and Theoretical Analysis for a Fluid-Loaded, Simply Supported Plate Covered by a Damping and Decoupling Composite Acoustic Coating
Published 2017-01-01“…This work presents a vibroacoustic response model for a fluid-loaded, simply supported rectangular plate covered by a composite acoustic coating consisting of damping and decoupling layers. …”
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Construction and Simulation of Online English Reading Model in Wireless Surface Acoustic Wave Sensor Environment Optimized by Particle Swarm Optimization
Published 2022-01-01“…We use the platform built in this article to wirelessly test the temperature characteristics of the surface acoustic wave sensor. The research results identified eight cognitive attributes of English reading and successfully generated diagnostic information at the group and individual levels and finally formed graphics and textual diagnostic feedback. …”
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Mechanical Properties of Bump-Prone Coal with Different Porosities and Its Acoustic Emission-Charge Induction Characteristics under Uniaxial Compression
Published 2019-01-01“…Both of them originated from cracks and belong to homologous signals, crack development bound to be accompanied by stress wavelet, not necessarily free charge; meanwhile, charge pulse being emerged means there must be cracks interaction and the acoustic emission signals are generated prior to charge induction.…”
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