Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Jan Škarohlíd"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 36, Iss , Pp 102159- (2022)
A fine near-wall resolution plays a crucial role in simulations of unsteady heat transfer from a wall. A generation of fine structured grids for a complex domain is cumbersome and requires an enormous number of grid points and a local grid refinement
Externí odkaz:
https://doaj.org/article/25aec09b7fb041bda7ad89d86dfc3328
Autor:
Jan Škarohlíd, Petr Ashcheulov, Radek Škoda, Andrew Taylor, Radim Čtvrtlík, Jan Tomáštík, František Fendrych, Jaromír Kopeček, Vladimír Cháb, Stanislav Cichoň, Petr Sajdl, Jan Macák, Peng Xu, Jonna M. Partezana, Jan Lorinčík, Jana Prehradná, Martin Steinbrück, Irena Kratochvílová
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Abstract In this work, we demonstrate and describe an effective method of protecting zirconium fuel cladding against oxygen and hydrogen uptake at both accident and working temperatures in water-cooled nuclear reactor environments. Zr alloy samples w
Externí odkaz:
https://doaj.org/article/ec4d9375ba5b4250993ce24e420597eb
Autor:
Irena Kratochvílová, František Fendrych, Petr Ashcheulov, Andrew Taylor, Jan Škarohlíd, Radek Škoda
Publikováno v:
Advanced Coating Materials
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d371a603e2e51fe44b5507657875f4a7
https://doi.org/10.1002/9781119407652.ch5
https://doi.org/10.1002/9781119407652.ch5
Autor:
Petr Ashcheulov, Johannes H. Neethling, Sinoyolo Ngongo, Radek Škoda, Martin Steinbrück, Jan Macák, Irena Kratochvílová, Jan Škarohlíd, Arno Janse van Vuuren, Jaromír Kopeček, Peng Xu, Magdaléna Lajčinová, Adéla Nováková, J. Lorincik, Petr Sajdl
Publikováno v:
Corrosion science, 163, Article: 108270
In this work, a new concept of metal surface protection against degradation caused by high-temperature oxidation in water environment is presented. We were the first to create a double-layered coating consisting of an active and passive part to prote
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72555c78fd00910aff8bc780c5696b10
https://doi.org/10.1016/j.corsci.2019.108270
https://doi.org/10.1016/j.corsci.2019.108270
Autor:
Ladislav Fekete, Ladislav Klimša, Kateřina Horáková, S. Johnson, Petr Sajdl, Lin Shao, Jan Macák, Radek Škoda, Irena Kratochvílová, Petr Ashcheulov, Andrew Taylor, R. Vega, Jan Škarohlíd, Ladislav Kalvoda, Jaromír Kopeček, František Fendrych, Vladimír Cháb, S. Vratislav, Kateřina Kůsová
Publikováno v:
Applied Surface Science. 359:621-628
Zirconium alloys can be effectively protected against corrosion by polycrystalline diamond (PCD) layers grown in microwave plasma enhanced linear antenna chemical vapor deposition apparatus. Standard and hot steam oxidized PCD layers grown on Zircalo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2439969f52a68effa13cfac77bdf533
https://doi.org/10.1016/j.apsusc.2015.10.117
https://doi.org/10.1016/j.apsusc.2015.10.117
Autor:
Peng Xu, Stanislav Cichoň, Martin Steinbrück, Vladimír Cháb, Jonna M. Partezana, Jan Tomastik, J. Lorincik, Radim Ctvrtlik, Jana Prehradná, Irena Kratochvílová, Petr Ashcheulov, Radek Škoda, Andrew Taylor, Petr Sajdl, František Fendrych, Jaromír Kopeček, Jan Škarohlíd, Jan Macák
Publikováno v:
Scientific Reports
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Scientific reports, 7 (1), Art.Nr.: 6469
Scientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
Scientific reports, 7 (1), Art.Nr.: 6469
In this work, we demonstrate and describe an effective method of protecting zirconium fuel cladding against oxygen and hydrogen uptake at both accident and working temperatures in water-cooled nuclear reactor environments. Zr alloy samples were coate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eafc33cdf3ae236560635071dc1abfb0
https://doi.org/10.1038/s41598-017-06923-4
https://doi.org/10.1038/s41598-017-06923-4
Autor:
Andrew Taylor, Aleš Jäger, Petr Ashcheulov, Radek Škoda, J. Racek, Lin Shao, Jan Škarohlíd, Irena Kratochvílová
Publikováno v:
Journal of Materials Processing Technology. 214:2600-2605
A 300 nm thick polycrystalline diamond layer has been used for protection of zirconium alloy nuclear fuel cladding against undesirable oxidation with no loss of chemical stability and preservation of its functionality. Deposition of polycrystalline d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34d3dafba7742664e156b8c26fde1b40
https://doi.org/10.1016/j.jmatprotec.2014.05.009
https://doi.org/10.1016/j.jmatprotec.2014.05.009
Publikováno v:
Volume 5: Student Paper Competition.
Polycrystalline diamond coating is a promising possibility for prevention, or reduction of high temperature oxidation of zirconium alloys and decrease corrosion rate of zirconium alloy during standard operation. Zirconium alloys are widely used as cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca940d1cb27f04f5049439e0862e4f74
https://doi.org/10.1115/icone24-60596
https://doi.org/10.1115/icone24-60596
Publikováno v:
Procedia Chemistry. 7:110-115
Fluoride Volatility Method is regarded to be a promising advanced pyrochemical reprocessing technology, which can be used for reprocessing mainly of oxide spent fuels coming from current LWRs or future GEN IV fast reactors. The technology should be c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b121f3e46d7d4ca3e89366b6720fcae
https://doi.org/10.1016/j.proche.2012.10.020
https://doi.org/10.1016/j.proche.2012.10.020
Autor:
Radek Škoda, Jan Škarohlíd
Publikováno v:
Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Plant Systems, Structures and Components; Codes, Standards, Licensing and Regulatory Issues.
Polycrystalline diamond coating is a promising possibility for prevention, or reduction of high temperature oxidation of zirconium alloys. Zirconium alloys are used as cladding material in almost all types of nuclear reactors, where creates a barrier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::258aeff9d9d6b842960587a50404ba64
https://doi.org/10.1115/icone22-30873
https://doi.org/10.1115/icone22-30873