Results 11 to 20 of about 411,672 (266)

Non-Uniform Temperature Fields and Effects of Steel Structures: Review and Outlook

open access: yesApplied Sciences, 2020
Due to the dynamic coupling effects of solar radiation, longwave radiation, convective heat transfer, shadows, and other factors, the temperature field and effect of steel structures are significantly non-uniform, differing from traditional concepts that
Wucheng Xu, Deshen Chen, Hongliang Qian
doaj   +1 more source

Warm Hydroforming Process under Non-Uniform Temperature Field for Magnesium Alloy Tubes

open access: yesMetals, 2021
The warm tube hydroforming (WTHF) process of lightweight materials such as magnesium alloy contributes to a remarkable weight reduction. The success of the WTHF process strongly depends on the loading path with internal pressure and axial feeding and ...
Toshiji Morishima, Ken-Ichi Manabe
doaj   +1 more source

Development of energy analyzer of charged particles

open access: yesEurasian Physical Technical Journal, 2019
The electron-optical characteristics of a mirror energy analyzer based on a non-uniform, hyperbolic decreasing electrostatic field were investigated.
А.О. Saulebekov   +5 more
doaj   +1 more source

DEVELOPMENT OF ELECTRIC CHARGE GENERATOR BY APPLIED PULSE HIGH INTENSITY ELECTRIC FIELD [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2019
This research was presented the development of electric charge generator by applied pulse high intensity electric field. The power supply based on fly back converter comprises of a pulse generator using IC#MB3579 on the output high voltage adjustment by ...
Siseerot KETKAEW
doaj   +1 more source

Measurements of Corona Discharge in Non-Uniform Field Freon GAP

open access: yesDiyala Journal of Engineering Sciences, 2014
Corona Discharge have been recorded in pin-to pin electrode at gas pressure gaps with high degree of non-uniformity electric field. For a wide range of experimental applicability the pin to pin electrode was used over pressure range from 1bar to 3bar ...
A. S. Hasaani, Hassan J. Mohammed
doaj   +1 more source

Feasibility on accurate measurement of non-uniform strain field through contact methods

open access: yesApplications in Engineering Science, 2021
When straight material filaments do not remain straight after deformation, the strain varies spatially. These spatially varying strain fields arise because of (1) non-uniform distribution of boundary traction, (2) presence of residual stress in the ...
Pratyush Kumar, U. Saravanan
doaj   +1 more source

Electromagnetic fields in a non‐uniform steel‐cased borehole [PDF]

open access: yesGeophysical Prospecting, 2006
ABSTRACTSince most oil wells are cased in steel, electromagnetic (EM) signals undergo severe attenuation as they diffuse across the casing. This paper examines an effect of non‐uniform casing properties on EM fields measured in a steel‐cased well embedded in a layered formation.
Kim, Hee Joon, Lee, Ki Ha
openaire   +2 more sources

CRACKING IN SHEET STRUCTURAL ELEMENT UNDER NON-UNIFORM STRESS FIELD

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2017
We give a mathematical description of calculation model for cracking in sheet structural element under a non-uniform stress field. The model of pre-fracture zones in state of plastic flow under constant stresses was accepted.
Sh H HASANOV
doaj   +1 more source

Influence of micro‐water on AC breakdown characteristics of C4F7N/CO2 gas mixture under non‐uniform electric field

open access: yesHigh Voltage, 2022
The application of eco‐friendly C4F7N/CO2 gas mixture has become a hot topic in the power industry. To obtain the influence law of micro‐water on the AC insulation characteristics of C4F7N/CO2 gas mixture, breakdown tests were carried out under different
Yuan Yang   +5 more
doaj   +1 more source

Uniform field within a non-elliptical inhomogeneity in the vicinity of a nearby non-circular Eshelby inclusion

open access: yesArchives of Mechanics, 2021
We rigorously prove that a non-elliptical inhomogeneity continues to permit an internal uniform stress field despite the presence of a nearby non-circular Eshelby inclusion undergoing uniform anti-plane eigenstrains when the surrounding matrix is ...
X. Wang, P. Schiavone
doaj   +1 more source

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