| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wilson, Mark
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Modeling of the transient electric field in multilayer dielectric composites under impulsive HV energizationcitations
- 2022The glass transition and the non-Arrhenian viscosity of carbonate meltscitations
- 2022The glass transition and the non-Arrhenian viscosity of carbonate meltscitations
- 2021Origins of structural and electronic transitions in disordered silicon.
- 2021The electric field inside a gas cavity formed at a solid-solid dielectric interface stressed with HV impulse
- 2020The effect of relative humidity on the flashover strength of solid insulation
- 2020Impulsive flashover characteristics and Weibull statistical analysis of gas-solid interfaces with varying relative humiditycitations
- 2018Dynamic behaviour of sub- m particles in dielectric liquids under DC stress
- 2012Repair and stabilization in confined nanoscale systems: inorganic nanowires within single-walled carbon nanotubescitations
- 2011Effect of applied field and rate of voltage rise on surface breakdown of oil-immersed polymerscitations
- 2011Mixtures of midel 7131 and THESO insulating liquids for pulsed power applicationscitations
- 2007An investigation of spark discharge parameters for material processing with high power ultrasoundcitations
- 2007High-pressure x-ray scattering and computer simulation studies of density-induced polyamorphism in siliconcitations
- 2007Metastable phase transitions and structural transformations in solid-state materials at high pressurecitations
- 2007Metastable phase transitions and structural transformations in solid-state materials at high pressurecitations
- 2006Application of electric spark generated high power ultrasound to recover ferrous and non ferrous metals from slag wastecitations
Places of action
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article
Modeling of the transient electric field in multilayer dielectric composites under impulsive HV energization
Abstract
<p>This article presents the theoretical analysis of composite electrical insulation, formed from layered dielectric materials and subjected to impulsive energization. The 1-D planar and cylindrical geometries were considered, consisting of an arbitrary number of layers with arbitrary relative permittivity and electrical conductivity. Analytical solutions have been successfully derived for the time-dependent electric field inside the i th layer. To demonstrate the usage of the model under complex multilayer topologies where analytical solutions are nontrivial, the characteristics of a 20-layer-graded composite under microsecond and sub-microsecond impulses were analyzed and validated against a finite-element (FE) solver. Results indicate that the transient electric field response under impulsive energization is strongly dependent on the interplay between the composite relaxation time constants and the characteristic timescales associated with the applied impulse. The model is a further development for the design and coordination of functionally graded materials (FGMs) and composite insulation for high-voltage (HV) system design. This is particularly relevant under fast-rising impulsive conditions as often encountered in many pulsed power applications.</p>