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Frequency Response and Material Property Sensitivity Analysis of Moving-Coil Geophone Using Finite Element Simulation [PDF]
SensorsIn the process of unconventional oil and gas production, a large number of microseismic signals are generated. These signals are received by geophones deployed on the ground or in wells and used for safety monitoring.
Zesheng Yang +3 more
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Comparative Study of Three SAW Configurations for Temperature Sensing [PDF]
Engineering and Technology Journal, 2023 This paper demonstrates three SAW configurations' electrical and mechanical behaviors: a one-port resonator, a two-port resonator, and a delay line that works as temperature sensors of around 440 MHz characteristic frequencies.
Serhane R., Belkhelfa N.
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Frontiers in Energy Research, 2023 In addition to the traditional long-distance and bulk power transmission application, the HVDC system can bring additional benefits to the system by providing ancillary service.
Qingshen Xu +3 more
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Transverse and longitudinal dynamic modeling of bimorph piezoelectric actuators with investigating the effect of vibrational modes [PDF]
Journal of Theoretical and Applied Vibration and Acoustics, 2018 Bimorph piezoelectric cantilevered (BPC) actuators have recently received a great deal of attention in a variety of micro-electromechanical systems (MEMS) applications.
Mohamad Ebrahimi +2 more
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Electricity, 2021 The operation and the development of power system networks introduce new types of stability problems. The effect of the power generation and consumption on the frequency of the power system can be described as a demand/generation imbalance resulting from
Jovi Atkinson, Ibrahim M. Albayati
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Discrimination among Winding Mechanical Defects in Transformer Using Noise Detection and Data Mining Boosting Method [PDF]
International Journal of Industrial Electronics, Control and Optimization, 2021 IIn this paper, an efficient method to detect and discriminate mechanical defects of transformer winding based on extracting the winding frequency responses using outlier data detection and ensemble algorithms ,which in total constitutes an efficient ...
Zahra Moravej +2 more
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Frequency Response of Optically Pumped Magnetometer with Nonlinear Zeeman Effect
Applied Sciences, 2020 Optically pumped alkali atomic magnetometers based on measuring the Zeeman shifts of the atomic energy levels are widely used in many applications because of their low noise and cryogen-free operation.
Rui Zhang +4 more
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Energies, 2020 A significant amount of conventional power plants in the European power system is anticipated to be replaced by solar and wind power in the future. This may require alternative sources for inertia support.
Christos Agathokleous, Jimmy Ehnberg
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A Refined Theory for Bending Vibratory Analysis of Thick Functionally Graded Beams
Mathematics, 2021 A refined beam theory that takes the thickness-stretching into account is presented in this study for the bending vibratory behavior analysis of thick functionally graded (FG) beams.
Youssef Boutahar +2 more
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Helmholtz Resonance Frequency of the Synthetic Jet Actuator
Applied Sciences, 2021 This paper presents the results of experimental investigations of 108 geometrical configurations of a loudspeaker-driven synthetic jet (SJ) actuator. The considered cases of the SJ actuator were characterized by a high coupling ratio.
Paweł Gil +2 more
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