Results 1 to 10 of about 527,575 (266)

INFLUENCE OF CHANGES IN THE WORKING TEMPERATURE OF FLEXIBLE COUPLINGS ON THEIR STIFFNESS CHARACTERISTICS [PDF]

open access: yesTransport Problems, 2022
This article compares flexible couplings of the spider-type insert, and the tire-type insert. The influences of the volume and hardness of the elastomeric connector on the characteristics of this type of coupling, as well as the course of the change of ...
Tadeusz OPASIAK   +3 more
doaj   +1 more source

Experimental determination of the dynamic characteristics of the vibrations damper

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2015
One type of object modeling — physical modeling — plays an important role in modern scientific researches. This type of modeling is carried out on the existing laboratory equipment and experimental samples of a real object, which in some way reflects the
Igor I. Sydorenko   +2 more
doaj   +7 more sources

Study on the Stiffness and Dynamic Characteristics of a Bridge Approach Zone: Tests and Numerical Analyses

open access: yesMathematics, 2023
This study focuses on the stiffness and dynamic characteristic rules of a bridge approach zone in a high-speed railway (HSR). Indoor and in situ tests were performed to explore the stiffness and dynamic characteristics of the roadbed filling.
Ping Hu   +5 more
doaj   +1 more source

Dynamic Characteristics and Stability of the Photovoltaic Cell Under Laser Intensity or Load Disturbance in Laser Wireless Power Transmission System

open access: yesIEEE Access, 2023
In laser wireless power transmission (LWPT) system, the dynamically varying laser intensity or load on the photovoltaic (PV) cell may result in significant decrease of the power, efficiency and stability.
Zhenyang Xiong   +4 more
doaj   +1 more source

Moisture Assessment of Oil-Immersed Paper Based on Dynamic Characteristics of Frequency Domain Spectroscopy

open access: yesIEEE Access, 2022
In on-site measurement, as the transformer’s structure is often unknown, the application of frequency domain spectroscopy (FDS) is greatly limited in moisture assessment of transformer.
Qingchuan Xu   +3 more
doaj   +1 more source

Health status identification of modular-block-reinforced soil retaining walls after earthquakes

open access: yesYantu gongcheng xuebao, 2023
Distribution of dynamic characteristics (natural frequency and damping ratio) of large-scale shaking table model tests on a reinforced soil retaining wall (RSRW) under different working conditions is analyzed by using the time-domain identification ...
LI Sihan 1, 2, 3, CAI Xiaoguang 2, 3, 4, JING Liping 1, 5, CAI Boyuan 1, 3, HUANG Xin 1, 2, 3, XU Honglu 5
doaj   +1 more source

Integration of Wavelet Denoising and HHT Applied to the Analysis of Bridge Dynamic Characteristics

open access: yesApplied Sciences, 2020
When the dynamic characteristics of a bridge structure are analyzed though Hilbert–Huang transform (HHT), the noise contained in the bridge dynamic monitoring data may seriously affect the performance of the first natural frequency identification. A time-
Xinpeng Wang   +4 more
doaj   +1 more source

Power Transmission Characteristics of the Magnetic Gear Reducer with a Variable Gear Ratio [PDF]

open access: yes한국정밀공학회지, 2019
The gear ratio variable topology of a magnetic gear with an integrated harmonic modulator is analyzed using a magnetic permeance model. A dynamic characteristic equation is derived in consideration of the gear ratio between each layer constituting the ...
Hoon Hee Won, Kwang Suk Jung
doaj   +1 more source

Experimental Study of the Influence of Rotor Dynamics on the Temperature Distribution of a Gas Foil Bearing

open access: yesApplied Sciences, 2022
This article presents an experimental study carried out on a rotor operating on two foil bearings. One of the bearings was built in a way to measure the temperature and deformation of the top foil of the foil bearing.
Paweł Bagiński   +4 more
doaj   +1 more source

Dynamic and static angry faces influence time perception differently—Evidence from ERPs

open access: yesFrontiers in Neuroscience, 2023
The dynamic characteristics of facial expressions might affect time perception. Compared with static emotional faces, dynamic emotional faces are more intense, have higher ecological validity, and contain time series information, which may lead to time ...
Fangbing Qu   +6 more
doaj   +1 more source

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