Results 1 to 10 of about 32,045 (153)
Modal characteristics and phase response of vibrator under excitation of sweep frequency
Advances in Mechanical Engineering, 2020 To analyze the dynamic responses of vibrator, a vibrator-ground coupling vibration model considering sweep frequency is proposed based on half-space theory, and modal characteristics and phase response of the structure are investigated. Results show that
Gang Li, Zhiqiang Huang
exaly +2 more sources
Optimization of the dynamic stiffness of the seismic vibrator
Advances in Mechanical Engineering, 2018 Due to the sweep excitation of the vibrator, the dynamic stiffness of the seismic vibrator has an enormous influence on the performance of the vibroseis system and the accuracy of the output signal.
Zhiqiang Huang, Xun Peng, Gang Li
exaly +2 more sources
Piezoelectric Composite Vibrator with a Bilaminated Structure for Bending Vibration
Applied Sciences (Switzerland), 2019 A piezoelectric composite vibrator with a bilaminated structure is designed and fabricated, in this work by applying bending vibration to increase vibration displacement and reduce resonance frequency. The finite element software ANSYS (ANSYS, Inc.
Xia Liu, Chao Zhong, Yanjun Zhang
exaly +3 more sources
Emitting and controlling ultra-low frequency underwater acoustic waves using a marine vibration system with time interfacing [PDF]
Communications EngineeringThe control and manipulation of waves in optical and/or acoustic science and engineering are widespread. Recently, despite reported studies on high frequency acoustic waves via time modulated media, none of these approaches has demonstrated success with ...
Xingguo Huang +4 more
doaj +2 more sources
Equivalent Circuit of a Stacked Piezoelectric Cymbal Vibrator [PDF]
MicromachinesIn order to provide a convenient and fast calculation method, the equivalent circuit of a novel stacked piezoelectric cymbal vibrator is studied. The equivalent circuit model of the piezoelectric stack is derived by combining the equivalent circuit ...
Zhaohan Gong +5 more
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Pressure of Electromagnetic Radiation on a Thin Linear Vibrator in a Waveguide
East European Journal of Physics, 2022 The problem of electromagnetic wave pressure on a thin conductive vibrator located in a rectangular waveguide is solved. Wave H10 falls on the vibrator. The vibrator is located perpendicular to the wide wall of the waveguide.
Mykola Kokodii +5 more
doaj +1 more source
European Journal of Investigation in Health, Psychology and Education, 2022 Sex toys are widely marketed on the Internet. Browsing for, buying, and reviewing sex toys online are popular cybersexual activities. The aim of this study was to investigate consumers’ experiences with different types of realistic sex toys via online ...
Nicola Döring +2 more
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Installation for Concentrated Uniform Heating of Objects by Microwave Radiation [PDF]
International Journal of Electronics and Telecommunications, 2020 A design of microwave installation for energy concentration on a surface of a heated object is proposed. In the installation a dipole lattice on the basis of a single-wire transmission line is used which is located inside of reflector in a form of ...
Jacek Cieslik +5 more
doaj +1 more source
IEEE Access, 2023 In order to realize the accurate quantitative feeding of small block materials, this paper conducts theoretical and experimental research on the ultrasonic material conveying device, uses the ANSYS finite element analysis software to design the structure
Jian Zhang, Xiaozhu Wang
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Advances in Mechanical Engineering, 2021 This paper focuses on solving the problem of poor excitation performance of precision- controllable vibrator leading to shallow exploration depths, which cannot fully meet the current demand for deep oil and gas resources exploration.
Zhiqiang Huang +3 more
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