About: Comparison of Attenuation Coefficients for VVER-440 and VVER-1000 Pressure Vessels

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.astm.org/DIGITAL_LIBRARY/JOURNALS/JAI/PAGES/JAI104055.htm
Description	The paper summarizes the attenuation coefficient of the neutron fluence with E > 0.5 MeV through a reactor pressure vessel for vodo-vodyanoi energetichesky reactor (VVER) reactor types measured and/or calculated for mock-up experiments, as well as for operated nuclear power plant (NPP) units. The attenuation coefficient is possible to evaluate directly only by using the retro-dosimetry, based on a combination of the measured activities from the weld sample and concurrent ex-vessel measurement. The available neutron fluence attenuation coefficients (E > 0.5 MeV), calculated and measured at a mock-up experiment simulating the VVER-440-unit conditions, vary from 3.5 to 6.15. A similar situation is used for the calculations and mock-up experiment measurements for the VVER-1000 RPV, where the attenuation coefficient of the neutron fluence varies from 5.99 to 8.85. Because of the difference in calculations for the real units and the mock-up experiments, the necessity to design and perform calculation benchmarks both for VVER-440 and VVER-1000 would be meaningful if the calculation model is designed adequately to a given unit. The paper summarizes the attenuation coefficient of the neutron fluence with E > 0.5 MeV through a reactor pressure vessel for vodo-vodyanoi energetichesky reactor (VVER) reactor types measured and/or calculated for mock-up experiments, as well as for operated nuclear power plant (NPP) units. The attenuation coefficient is possible to evaluate directly only by using the retro-dosimetry, based on a combination of the measured activities from the weld sample and concurrent ex-vessel measurement. The available neutron fluence attenuation coefficients (E > 0.5 MeV), calculated and measured at a mock-up experiment simulating the VVER-440-unit conditions, vary from 3.5 to 6.15. A similar situation is used for the calculations and mock-up experiment measurements for the VVER-1000 RPV, where the attenuation coefficient of the neutron fluence varies from 5.99 to 8.85. Because of the difference in calculations for the real units and the mock-up experiments, the necessity to design and perform calculation benchmarks both for VVER-440 and VVER-1000 would be meaningful if the calculation model is designed adequately to a given unit. (en)
Title	Comparison of Attenuation Coefficients for VVER-440 and VVER-1000 Pressure Vessels Comparison of Attenuation Coefficients for VVER-440 and VVER-1000 Pressure Vessels (en)
skos:prefLabel	Comparison of Attenuation Coefficients for VVER-440 and VVER-1000 Pressure Vessels Comparison of Attenuation Coefficients for VVER-440 and VVER-1000 Pressure Vessels (en)
skos:notation	RIV/26722445:_____/12:#0000702!RIV13-MPO-26722445
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Marek, Milan Rataj, Jan Vandlík, Stanislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Centrum výzkumu Řež s.r.o.
http://linked.open...dnocenehoVysledku	127878
http://linked.open...ai/riv/idVysledku	RIV/26722445:_____/12:#0000702
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	reactor pressure vessel; VVER-440; VVER-1000; attenuation coefficient (en)
http://linked.open.../riv/klicoveSlovo	reactor pressure vessel VVER-1000 VVER-440 attenuation coefficient
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[17007BD81C25]
http://linked.open...i/riv/nazevZdroje	Journal of ASTM International
http://linked.open...in/vavai/riv/obor	JF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	9
http://linked.open...iv/tvurceVysledku	Marek, Milan Rataj, Jan Vandlík, Stanislav
issn	1546-962X
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1520/JAI104055

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