think in terms of energy, frequency, and vibration.” And when you come to the realization that you are an integral part of this universal rhythm and harmonize with it, you’ll likely see how it puts that “extra” in the ordinary. ...
Evaluation of environmental vibration is essential to environmental dynamic testing and analysis. How to reasonably evaluate the vibration is a widely concerned issue. This paper proposed the time-frequency energy analysis method. Firstly, the Margenau-Hill-Spectrogram time-frequency distribution was selecte...
Energy saving inverter output frequency over 50Hz must observe the entire system vibrations, noise. As far as possible within the motor speed range allowed. 翻译结果4复制译文编辑译文朗读译文返回顶部 翻译结果5复制译文编辑译文朗读译文返回顶部
material properties parametric model mechanism analysis structural intensity analysis numerical analysis symmetrical coupling nonsymmetrical coupling elastically coupled models weakly coupled models power flow physical mechanisms excitation frequency/ A4340 Structural acoustics and vibration A4320 General linear ...
- vibrate at the natural frequency of the system. The trick is to find the natural frequency, or to tune the system in order to extract the energy from the vibrations and produce a physical change in the targeted item. This is done step by step with use of an acoustic chamber connected...
Through isotopic dilution of water, the intermolecular intermode transfer from the bending mode of the H2O molecule to the librational mode of the surrounding water molecules is altered, because the isotopic dilution shifts the librational mode frequency of H2O to that of D2O and HDO (see also ...
Energy harvesting effectively powers micro-sensors and wireless applications. However, higher frequency oscillations do not overlap with ambient vibrations... H Abumarar,A Ibrahim - 《Micromachines》 被引量: 0发表: 2023年 Theoretical and applied research on bistable dual-piezoelectric-cantilever vibration...
Theoretical or Mathematical/ damping modal analysis modelling statistical analysis vibrations/ statistical energy analysis energy distribution model system modes energy influence coefficient built-up structure time average energy frequency average energy subsystem input power rain-on-the-roof excitation frequency ...
Vibration-based energy harvesting techniques face difficulties with the resonant frequency of the environment and output power [44]. To address these issues, researchers have explored the design of new materials to adjust the resonance frequency and improve the devices’ performance over a wide ...
and performs processing steps to isolate high frequency pulses in the digitized vibration signal and quantify energy content of those pulses by detecting a peak negative value of the digitized peak-to-peak amplitude of the received vibration signal, and then using this peak negative value to compute...