Results 21 to 30 of about 792,957 (313)
How Wavelike Bumps Mitigate the Vortex-induced Vibration of a Drilling Riser [PDF]
Journal of Applied and Computational Mechanics, 2021 In this paper, computational fluid dynamics is used to study how wavelike bumps influence the suppression of drilling-riser vortex-induced vibration (VIV).
Liping Tang +4 more
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The acute effect of using of texture foot orthoses on ground reaction forces in older adults during walking [PDF]
مجله پزشکی دانشگاه علوم پزشکی تبریز, 2021 Background:Walking is one the common daily activities. With the beginning of middle age, weakness in the lower limb muscles can reduce the ability to walk. The use of foot orthoses reduce the load on the limbs and supports the joints during walking.
Aydin Valizadeh orang +2 more
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Applied Sciences, 2021 The active magnetic bearings system plays a vital role in high-speed rotors technology, where many research articles have discussed the nonlinear dynamics of different categories of this system such as the four-pole, six-pole, eight-pole, and sixteen ...
Sabry M. El-Shourbagy +5 more
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How Do Limitations in Spectrum Fungibility Impact Spectrum Trading? [PDF]
, 2013 Secondary markets for spectrum trading have been considered an important solution for generating spectrum opportunities in an environment where scarcity is the rule.
Gomez, Marcela +4 more
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The characteristics of continuous gravity changes in Qiongzhong seismic station
地震科学进展, 2020 This paper collected the continuous gravity observation data from Qiongzhong seismic station since 2009. After processing the raw data with sudden jumps，steps and error data，we calculated and analyzed the characteristics of the gravity tide data from ...
Jialin Wu +5 more
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Direct Measurement of Laser Noise Spectrum with a Frequency-to-Voltage Converter [PDF]
, 2022 The stability performance of laser-pumped Rb-cell atomic clocks is affected by the laser spectral characteristics. It is then important to investigate the laser spectrum, especially since laser noise measurements are rarely found in the literature.
Antona, G +17 more
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Frontiers in PsychologyAimTimbre in piano performance plays a critical role in enhancing musical expression. However, timbre control in current piano performance education relies mostly on descriptive characterization, which involves large variations of interpretation.
Yuan Zhuang, Shuo Yang
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Nonconventional Technologies Review, 2022 In plasma arc welding using ultrasound, the ultrasonic vibration acts on the tungsten electrode with the plasma arc and changes its thermal pressure characteristics. It is very important to examine the underlying mechanism of the interaction.
Štefánia Olejárová
doaj
Operational Non-Contact Diagnostics of Induction Machine Based on Stray Electromagnetic Field
Communications, 2015 Paper deals with one new method of testing and operational diagnostics of induction machines using a stray electromagnetic field. This leakage field on the surface or on surroundings of machine frame is the carrier for diagnostic information and we can ...
Petr Bernat, Petr Kacor
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Modelling and Study of the Effect of Geometrical Parameters of Piezoelectric Plate and Stack
Applied Sciences, 2021 The piezoelectric stack is employed as an actuator and a sensor in a variety of technical applications. The dynamic modelling of piezoelectric plates and stack is used to investigate and search for new applications in mechatronics systems that are based ...
Tolera G. Degefa +2 more
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