Evolution of Time-Harmonic Electromagnetic and Acoustic Waves Along Waveguides
Sign Up to like & getrecommendations! Published in 2017 at "Integral Equations and Operator Theory"
DOI: 10.1007/s00020-018-2472-4
Abstract: We study time-harmonic electromagnetic and acoustic waveguides, modeled by an infinite cylinder with a non-smooth cross section. We introduce an infinitesimal generator for the wave evolution along the cylinder and prove estimates of the functional… read more here.
Keywords: evolution time; electromagnetic acoustic; harmonic electromagnetic; time ... See more keywords
A multi‐objective structural optimization of an omnidirectional electromagnetic acoustic transducer
Sign Up to like & getrecommendations! Published in 2017 at "Ultrasonics"
DOI: 10.1016/j.ultras.2017.05.014
Abstract: &NA; In this paper an axisymmetric model of an omnidirectional electromagnetic acoustic transducer (EMAT) used to generate Lamb waves in conductive plates is introduced. Based on the EMAT model, the structural parameters of the permanent… read more here.
Keywords: electromagnetic acoustic; frequency; multi objective; model ... See more keywords
A Review of Emerging Electromagnetic-Acoustic Sensing Techniques for Healthcare Monitoring
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Biomedical Circuits and Systems"
DOI: 10.1109/tbcas.2022.3226290
Abstract: Conventional electromagnetic (EM) sensing techniques such as radar and LiDAR are widely used for remote sensing, vehicle applications, weather monitoring, and clinical monitoring. Acoustic techniques such as sonar and ultrasound sensors are also used for… read more here.
Keywords: electromagnetic acoustic; acoustic sensing; healthcare monitoring; sensing techniques ... See more keywords
A Composite Approach of Electromagnetic Acoustic Transducer and Eddy Current for Inner and Outer Corrosion Defects Detection
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3238689
Abstract: In the production and service of pipelines, automated electromagnetic detection is widely employed to diagnose potential defects. However, the single inspection method can hardly multiposition detect detection simultaneously due to limited signal features. In this… read more here.
Keywords: approach electromagnetic; electromagnetic acoustic; acoustic transducer; detection ... See more keywords
New Combination of Magnet and Coil of Electromagnetic Acoustic Transducer for Generating and Detecting Rayleigh Wave
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2019.2956711
Abstract: Nondestructive testing for identifying defects on the surface of metal materials is important for industries and infrastructures. The Rayleigh wave is widely used for detecting these surface defects. For replacing piezoelectric transducers with electromagnetic acoustic… read more here.
Keywords: magnet coil; coil; electromagnetic acoustic; rayleigh wave ... See more keywords
Unidirectional Shear Horizontal Wave Generation With Side-Shifted Periodic Permanent Magnets Electromagnetic Acoustic Transducer
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2020.3027246
Abstract: Periodic permanent magnet (PPM) array electromagnetic acoustic transducers (EMATs) can efficiently generate and receive shear horizontal (SH) ultrasonic waves. Conventional PPM EMATs typically generate waves which simultaneously propagate both forward and backward. This can complicate… read more here.
Keywords: unidirectional shear; periodic permanent; electromagnetic acoustic; generation ... See more keywords
Unidirectional Shear Horizontal Wave Generation by Periodic Permanent Magnets Electromagnetic Acoustic Transducer With Dual Linear-Coil Array
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2021.3084201
Abstract: Shear horizontal (SH) waves are commonly generated by periodic permanent magnet (PPM) electromagnetic acoustic transducers (EMATs) in metallic media. Conventional PPM EMATs generate ultrasonic waves, which simultaneously propagate both forward and backward. This can be… read more here.
Keywords: array; periodic permanent; electromagnetic acoustic; dual linear ... See more keywords
Research on the High-Frequency Electromagnetic Acoustic Heating of an Oil Reservoir with Further Pumping of a Solvent
Sign Up to like & getrecommendations! Published in 2018 at "High Temperature"
DOI: 10.1134/s0018151x18060111
Abstract: A method involving high-frequency electromagnetic and acoustic fields (for heating) and subsequent pumping of a low-viscosity solvent is proposed to affect high-viscosity oil reservoirs. The system of heat conduction, peizoconductivity, and diffusion equations is solved… read more here.
Keywords: electromagnetic acoustic; high frequency; frequency electromagnetic; oil reservoir ... See more keywords
Electromagnetic-acoustic biphysical cloak designed through topology optimization.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.450787
Abstract: Various strategies have been proposed to achieve invisibility cloaking, but usually only one phenomenon is controlled by each device. Cloaking an object from two different waves, such as electromagnetic and acoustic waves, is a challenging… read more here.
Keywords: topology; topology optimization; electromagnetic acoustic; biphysical cloak ... See more keywords