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Significance of Acoustic and Electrical Logging Studies at Nuclear Power Plants
Extensive geotechnical investigations are carried out for designing crucial structures of a nuclear power plant (NPP). As these structures enforce...
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Numerical studies on small rotor configurations with validation using acoustic wind tunnel data
This paper addresses the acoustic and aerodynamic characteristics of small rotor configurations, including the influence of the rotor–rotor...
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Statistical Studies of Acoustic Signals Measurements in Diagnostics of Power Transformers
The article presents statistical studies of acoustic signals measurements when diagnosing power transformers of the railway power supply system....
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Acoustic Measurement Traceability
Sound pressure is the measurand of acoustic quantity. Acoustic instruments are used to determine the quantity value of sound pressure. Calibration of...
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Acoustic pre-design studies of ducted fans for small aircraft
This publication presents an analytical method for the aerodynamic and acoustic pre-design of ducted fans for small aircraft. Based on studies of the...
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Time-domain simulation of the acoustic nonlinear response of acoustic liners at high sound pressure level
In the aeronautical field, numerical modeling of the acoustic response of liners at high sound pressure levels is done using impedance boundary...
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Acoustic resolvent analysis of turbulent jets
AbstractWe perform a resolvent analysis of a compressible turbulent jet, where the optimisation domain of the response modes is located in the...
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Recognizing object localization using acoustic markers with active acoustic sensing
We propose a low-cost sensing system that recognizes an object’s location on a surface using active acoustic sensing. Our proposed system uses a thin...
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Experimental study of coupled acoustic-mechanical bandgaps
This experimental study investigates the presence of coupled bandgaps for bending and acoustic waves in acoustic-mechanical systems through the...
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Comparative Assessment of Acoustic Baffles
The article presents a comparative analysis of three variants of acoustic baffles for highways, differing in material of manufacture and operating...
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Acoustic Metamaterials for Noise Control Applications
Low-frequency noise control is always a challenging issue for an NVH (Noise, Vibration and Harshness) engineer. Acoustic metamaterials are a newly...
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Modeling and Vibro-acoustic Characterization of Elastic Plate-Irregular Hexahedral Acoustic Cavity Coupling Systems
PurposeModeling of elastic plate-irregular hexahedral acoustic cavity coupling systems is a common structural–acoustic coupling problem in which...
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Sonar Self-noise and Acoustic Transmission of Acoustic Window Made from Functionally Gradient Materials
The sonar self-noise characteristics of an acoustic window made from multilayer functionally gradient materials (FGMs) under external turbulent...
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Acoustic Effects on Binary Aeroelastic Model
Acoustics is the science concerning the study of sound. The effects of sound on structures attract overwhelming interests and numerous studies were...
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Tunable low-frequency wideband acoustic metamaterials with negative Poisson’s ratio and pre-compression
Traditional acoustic materials typically have fixed acoustic bandgaps (BGs), making them unsuitable for complex vibration environments. In recent...
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Spin-acoustic control of silicon vacancies in 4H silicon carbide
Bulk acoustic resonators can be fabricated on the same substrate as other components and can operate at various frequencies with high quality...
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6 Beamforming Combined with Multi-channel Acoustic Echo Cancellation
For audio signal acquisition, beamforming microphone arrays can be efficiently used for enhancing a desired signal while suppressing...
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Learning to inversely design acoustic metamaterials for enhanced performance
Elastic metamaterials are popularly sought to realize numerous special functions such as vibration control and wave manipulation among which sound...
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Acoustic emission with machine learning in fracture of composites: preliminary study
In this paper, preliminary studies on the failure analysis of hybrid composite materials utilizing acoustic emission and machine learning are...
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A tunable acoustic absorber using reconfigurable dielectric elastomer actuated petals
Dielectric elastomer actuator (DEA)-based unimorphs that actively bend in one direction, can mimic the blooming motion of flower petals. Here we...
