Results 21 to 30 of about 5,747,403 (195)

Finite-element-analysis models for numerical simulation of partial discharges in spherical cavities within solid dielectrics: a review and a novel method

High Voltage, 2020
During the last two decades, partial discharges (PDs) modelling methods have been used as a complement of insulation diagnosis systems of electrical assets.
Johnatan M. Rodríguez-Serna, Ricardo Albarracín-Sánchez, Abdullahi A. Mas'ud, Abdullahi A. Mas'ud   +3 more
doaj   +1 more source

MULTIFUNCTIONAL INTERPHASES IN ELECTROSTATIC COATING OF ELECTRICALLY NON-CONDUCTIVE MATERIALS [PDF]

Problemy Eksploatacji, 2018
Solvent-based or waterborne coatings commonly used in surface finishing of plastic or composite-based products exhibit very low spray transfer efficiency, typically not exceeding 30–35%.
Wojciech S. GUTOWSKI, Con FILIPPOU, Sheng LI   +2 more
doaj   +1 more source

Numerical simulation of electromagnetic properties of the saturated rock media with surface conductivity effects [PDF]

Компьютерные исследования и моделирование, 2015
New numerical simulation technique to calculate electrical properties of rocks with two-phase "oil- water" saturation is proposed. This technique takes into account surface conductivity of electrical double layers at the contact between solid rock and ...
Alexander Yurievich Demianov, Oleg Yurievich Dinariev, Dmitriy Aleksandrovich Lisitsin   +2 more
doaj   +1 more source

Which bidomain conductivity is the most important for modelling heart and torso surface potentials during ischaemia?

, 2021
Mathematical simulations using the bidomain model, which represents cardiac tissue as consisting of an intracellular and an extracellular space, are a key approach that can be used to improve understanding of heart conditions such as ischaemia.
Johnston, Barbara M, Johnston, Peter R, Barbara M. Johnston, Peter R. Johnston   +3 more
core   +1 more source

Convergence Properties of Surface Conductivity Characterization Method for Thin Conductive Strips [PDF]

, 2020
A new method to measure the surface conductivity σs of thin conductors has been recently proposed, that requires placement of a narrow strip inside a rectangular waveguide.
Morteza Shahpari, Thiel, D., Christophe Fumeaux, Fumeaux, C., David V. Thiel, Fumeaux, C, Shahpari, M, Thiel, DV, Shahpari, M.   +8 more
core   +1 more source

Temperature‐dependent adaptive conductivity coating for surface charge release and electric field control under electro‐thermal coupling field

High Voltage, 2023
Surface charge accumulation is the potential criminal for surface insulation failure on spacers under direct current (DC) voltages. The existence of thermal gradient posing the difficulty of surface charge regulation.
Jianyi Xue, Zhu Zhang, Binbin Li, Yushun Zhao, Lijian Ding   +4 more
doaj   +1 more source

Improving thermal conductivity of Inconel 718 through thermoelectric coupling to reduce cutting temperature

Journal of Materials Research and Technology, 2022
Inconel 718 is hard to machine with higher cutting temperature generated during machining process due to its low thermal conductivity. The thermal conductivity of materials consists of phonon and electronic thermal conductivity.
Qingan Yin, Zhanqiang Liu, Bing Wang, Kai Ma, Yukui Cai, Qinghua Song   +5 more
doaj   +1 more source

Effects of ZnO magnetron sputtering on surface charge and flashover voltage of oil-impregnated paper

High Voltage, 2019
With the aim of exploring an alternative method of nano-doping in cellulose paper and improving flashover strength of oil-impregnated paper, radio frequency (RF) magnetron sputtering method is introduced into the structural modification of insulating ...
Boxue Du, Jinpeng Jiang, Jin Li, Wenbo Zhu, Wenbo Zhu   +4 more
doaj   +1 more source

VARIASI KONDUKTIVITAS TERMAL PADA PROSES PEMOTONGAN SS400 DENGAN MEDIA PENDINGIN DROMUS TERHADAP KEKASARAN PERMUKAAN

Rekayasa Mesin, 2023
Thermal conductivity is a transport phenomenon where the temperature difference causes the transfer of thermal energy from the tip of the blade to the workpiece.
Mastiadi Tamjidillah, Rachmat Subagyo, Rudi Siswanto, Dhonie Adetya Rachman   +3 more
doaj   +1 more source

Thermal Conductivity of Carbon Nanotubes and their Polymer Nanocomposites: A Review [PDF]

, 2011
Thermally conductive polymer composites offer new possibilities for replacing metal parts in several applications, including power electronics, electric motors and generators, heat exchangers, etc., thanks to the polymer advantages such as light weight ...
Fina, Alberto, Han, Zhidong, Zhidong Han, Alberto Fina   +3 more
core   +1 more source