Zobrazeno 1 - 10
of 61
pro vyhledávání: '"A.D. Polykrati"'
Autor:
A.D. Polykrati, Eleftheria C. Pyrgioti, D. D. Chronopoulos, M. M. Emara, S. Tegopoulos, Georgios D. Peppas, Apostolos Kyritsis, Ioannis F. Gonos
Publikováno v:
2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE).
In this study, nanofluids were prepared using Graphene nano-sheets with two concentrations 0.002% and 0.004%. Thermal conductivity was studied to investigate thermal properties for nanofluid compared to pure oil. Thermal conductivity was calculated u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0340c56511037da00543500839e04e16
https://doi.org/10.1109/ichve49031.2020.9279650
https://doi.org/10.1109/ichve49031.2020.9279650
Autor:
A.D. Polykrati, Georgios D. Peppas, Eleftheria C. Pyrgioti, Vasilios P. Charalampakos, Aristides Bakandritsos, Ioannis F. Gonos
Publikováno v:
Energies
Volume 12
Issue 17
Energies, Vol 12, Iss 17, p 3259 (2019)
Volume 12
Issue 17
Energies, Vol 12, Iss 17, p 3259 (2019)
In this study, the dielectric characteristics of two types of natural esters modified into nanofluids are studied. The AC breakdown voltage was investigated for colloidal Fe2O3 and SiO2 nanoparticles effectively scattered in natural ester oil. The ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3012090c1340ad810a36862ca8f4a87c
Akademický článek
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Autor:
Ioannis F. Gonos, A.D. Polykrati, V. P. Charalampakos, Georgios D. Peppas, Aristides Bakandritsos, Eleftheria C. Pyrgioti
Publikováno v:
2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE).
In the present study, the dielectric performance of two natural ester matrix nanofluids, are studied. Colloidal magnetic iron oxide and SiO 2 nanoparticles were properly dispersed in natural ester oil FR3 and the AC breakdown voltage was investigated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::943d4a4e62474633611ce58437a6206b
https://doi.org/10.1109/ichve.2018.8642042
https://doi.org/10.1109/ichve.2018.8642042
Autor:
Eleftheria C. Pyrgioti, Apostolos Kyritsis, C.S. Koutsiara, Ioannis F. Gonos, A.D. Polykrati, V. P. Charalampakos, Georgios D. Peppas
Publikováno v:
2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE).
This paper studies the thermal and electrical characteristics of nanoparticles in insulating oils. A natural ester based oil and three other samples of nanofluids with 0.006%, 0.008% and 0.012% of magnetite nanoparticles were examined and compared co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16cdf545a9f98e757e81910a39d55fce
https://doi.org/10.1109/ichve.2018.8641982
https://doi.org/10.1109/ichve.2018.8641982
Autor:
Eleftheria C. Pyrgioti, A.D. Polykrati, Aristides Bakandritsos, Ioannis F. Gonos, V. P. Charalampakos, Georgios D. Peppas, E. Chatzikalymnios
Publikováno v:
2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE).
In this paper the AC breakdown strength of a new, natural ester based nanofluid is studied. Natural ester oil FR3™ is used as the base oil for the synthesis of nanofluid, with the addition of Graphene nanosheets. The surface of nanofillers was prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92eeed224bcfdac51bbe9a22411ce3e9
https://doi.org/10.1109/ichve.2018.8641923
https://doi.org/10.1109/ichve.2018.8641923
Publikováno v:
Electric Power Systems Research. 117:76-83
In this paper, the thermal stresses and dielectric phenomena of a distribution power line are evaluated to ascertain whether the line was the cause or the victim of a wildfire. Thermal stresses, to which distribution overhead lines are subjected due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ea168423b73b768cc9b92e414471bd8
https://doi.org/10.1016/j.epsr.2014.07.031
https://doi.org/10.1016/j.epsr.2014.07.031
Publikováno v:
International Journal of Electrical Power & Energy Systems. 49:122-127
The blackout on the Greek island of Kefallonia on January 24th 2006 was caused by the fall of 10 towers of the 150 kV power transmission network due to high winds and heavy snowfall. These extreme meteorological phenomena were unprecedented on the is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04db933c54386153972322ec71300f3c
https://doi.org/10.1016/j.ijepes.2012.12.003
https://doi.org/10.1016/j.ijepes.2012.12.003
Publikováno v:
Safety Science. 53:226-232
Electrical accidents are significant causes of occupational fatalities in the world. The analysis carried out in this paper refers to a real accident that occurred in Greece during the repair work carried out on a medium voltage transformer of the Pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d4ada0b39f1a789bd28193ca6c30dbf
https://doi.org/10.1016/j.ssci.2012.10.005
https://doi.org/10.1016/j.ssci.2012.10.005
Publikováno v:
Measurement. 45:1960-1965
In this paper, extremely low frequency (ELF) magnetic fields (MFs) were measured during the temperature-rise test of various electrotechnical equipment. The number of workers subjected to magnetic fields from the temperature-rise test is small; howev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0e0239ddaf8107beb44363c1146df9a
https://doi.org/10.1016/j.measurement.2012.04.016
https://doi.org/10.1016/j.measurement.2012.04.016