Comparison of low-frequency non-sinusoidal measurement for transformer no-load characteristics based on different interpolation methods
Sign Up to like & getrecommendations! Published in 2021 at "Electrical Engineering"
DOI: 10.1007/s00202-020-01199-w
Abstract: As the calculation of transformer no-load characteristics measured by low-frequency test method is not perfect, different interpolation methods are explored to fit and convert the transformer's volt-ampere characteristics under power frequency (50 Hz) excitation to find… read more here.
Keywords: wave excitation; transformer; frequency; excitation ... See more keywords
Real-time wave excitation force estimation for an experimental multi-DOF WEC
Sign Up to like & getrecommendations! Published in 2020 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.107788
Abstract: Abstract A wave energy converter (WEC) needs an active control strategy to maximise efficiency in a wide range of operating conditions. Many control strategies require knowledge of the wave excitation force, a quantity which cannot… read more here.
Keywords: estimation; wave excitation; wec; excitation force ... See more keywords
Subharmonic edge wave excitation by narrow-band, random incident waves
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.214
Abstract: A monochromatic, small amplitude, normally incident standing wave on a sloping beach is unstable to perturbation by subharmonic (half the frequency) edge waves. At equilibrium, edge wave shoreline amplitudes can exceed incident wave amplitudes. Here,… read more here.
Keywords: incident; edge; wave excitation; subharmonic edge ... See more keywords
Modeling guided wave excitation in plates with surface mounted piezoelectric elements: Coupled physics and normal mode expansion
Sign Up to like & getrecommendations! Published in 2018 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/aab162
Abstract: Guided waves have been extensively studied and widely used for structural health monitoring because of their large volumetric coverage and good sensitivity to defects. Effectively and preferentially exciting a desired wave mode having good sensitivity… read more here.
Keywords: guided wave; physics; geometry; wave excitation ... See more keywords
Scaling of P -wave excitation energies in heavy-quark systems
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.98.074026
Abstract: A simple regularity in anticipating P-wave excitation energies of states with heavy quarks is noted. It can apply to systems such as the negative-parity $\Sigma_c$, $\Sigma_b$, and $\Omega_c$, $\bar Q Q$ quarkonia, and the bottom-charmed… read more here.
Keywords: heavy quark; wave excitation; scaling wave; excitation ... See more keywords
Oscillation and Wave Excitation in Quadratically Nonlinear Systems with Selective Second Harmonic Suppression
Sign Up to like & getrecommendations! Published in 2019 at "Acoustical Physics"
DOI: 10.1134/s1063771019660035
Abstract: Oscillation and wave excitation processes are investigated in systems with quadratic nonlinearity in the presence of selective absorption at second harmonic frequency. Specific examples are considered: wave excitation by sources moving with velocity close to… read more here.
Keywords: oscillation wave; second harmonic; wave excitation; harmonic suppression ... See more keywords
Wave Excitation in a Dissipative Medium with a Double Quadratically-Modular Nonlinearity: a Generalization of the Inhomogeneous Burgers Equation
Sign Up to like & getrecommendations! Published in 2018 at "Doklady Mathematics"
DOI: 10.1134/s1064562418030110
Abstract: Solutions of a forced (inhomogeneous) partial differential equation of the second order with two types of nonlinearity: power (quadratic) and nonanalytic (modular) are found. Equations containing each of these nonlinearities separately were studied earlier. A… read more here.
Keywords: excitation dissipative; nonlinearity; medium; wave excitation ... See more keywords
Pulse modulation by Bloch surface wave excitation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.455611
Abstract: Considering dielectric multilayers with N identical bilayers and an additional terminating layer, we address the effect of Bloch surface wave excitation on the temporal characteristics of short optical pulses. When such a resonant excitation occurs… read more here.
Keywords: wave excitation; excitation; surface wave; bloch surface ... See more keywords
A Full Wave Simulation on the Density Dependence of a Slow Wave Excitation in the GAMMA 10/PDX Central Cell with TASK/WF3D
Sign Up to like & getrecommendations! Published in 2019 at "Plasma and Fusion Research"
DOI: 10.1585/pfr.14.2402003
Abstract: Beach heating using a slow Alfvén wave in ion cyclotron range of frequencies would be the first candidate for ion heating in a DEMO-relevant divertor testing linear plasma device if it is applicable to a… read more here.
Keywords: slow wave; wave excitation; dependence slow; density ... See more keywords