| 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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Timoshkin, Igor
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Modeling of the transient electric field in multilayer dielectric composites under impulsive HV energizationcitations
- 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
- 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
- 2009Computer aided modelling of an interdigitated microelectrode array impedance biosensor for the detection of bacteriacitations
- 2007An investigation of spark discharge parameters for material processing with high power ultrasoundcitations
- 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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document
Dynamic behaviour of sub- m particles in dielectric liquids under DC stress
Abstract
Nanofluids (NF) are produced by dispersing nanoparticles into the host liquid, such NFs are currently under investigation by different research groups as they can offer improvement in both the dielectric strength and thermal conductivity compared with traditional insulating liquids. In this paper, the Maxwell-Wagner relaxation process theory was employed to investigate the dielectric response of particles suspended in insulating liquids to a step voltage. The experimental part of the paper was focused on measurements of the conduction current through pure liquids and NFs, these measurements were combined with the monitoring of the particle dynamics using a video camera and optical microscope. Thus, investigation of the behaviour of nanoparticles (TiO2 and BN) dispersed in synthetic esters and in mineral oil has been studied under DC stress over long time intervals (up to 60-mins). The obtained results demonstrate that the dynamic behaviour of the nanoparticles is strongly affected, not only by their dielectric permittivity and electrical conductivity, but also by the host liquids’ dielectric permittivity and electrical conductivity. This work will help in the development of new NFs for practical applications in the power and pulsed power industries.