JANIS: NEA JAva-based Nuclear Data Information System

Soppera, N.; Bossant, M.; Cabellos, Ó.; Dupont, E.; Díez, C.J.

doi:10.1051/epjconf/201714607006

Cited by 15 publications

(8 citation statements)

References 5 publications

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“…In addition, at high neutron energies (i.e. 14 MeV) vanadium and iron show a higher (n, 2n) cross section while a lower absorption cross section (n, γ) than nickel at low energies [13]. Hence, the vanadium alloy and Eurofer97, compared to Inconel 718 let more neutron get through the structure and reach the blanket while multiplying more of those neutrons that experience and interaction with them.…”

Section: Resultsmentioning

confidence: 99%

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Optimization of tritium breeding ratio in ARC reactor

Segantin

Testoni

Hartwig

et al. 2020

Fusion Engineering and Design

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Affordable Robust Compact reactor is a conceptual design for a Tokamak conceived by Massachusetts Institute of Technology (MIT) researchers. The design of this tokamak is under development and update. One of the key parameters for fusion reactor power plants is the tritium breeding ratio (TBR), which has to guarantee the tritium self-sufficiency. The tritium inventory circulating in a fusion power plant must be minimized. In the meantime, to enhance plant's economics, the amount of tritium generated and stored should be maximized, since it would be used to startup new reactors. Both of the aforementioned trends meet their best in a TBR as high as possible. In this work, ARC tritium breeding ratio is studied and optimized. Taking advantage of Monte Carlo neutron transport codes, several configurations of ARC's blanket and vacuum vessel have been analyzed in order to find the most effective one for a high TBR. The study takes into account different materials for the structure, such as Inconel718, V-15Cr-5Ti and Eurofer97. Moreover, it scans different width of coolant's channels and evaluates the effect of lithium-6 enrichment in the blanket looking for the best configuration in terms of TBR.

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Section: Resultsmentioning

confidence: 99%

“…3 STR27 shows a lower peak in 14.1 MeV with respect STR22. In addition, this causes vanadium to multiply less neutrons, both for the lower flux and the moderated spectrum, as vanadium (n, 2n) cross section is observable just over 8 MeV [13].…”

Section: Resultsmentioning

confidence: 99%

Optimization of tritium breeding ratio in ARC reactor

Segantin

Testoni

Hartwig

et al. 2020

Fusion Engineering and Design

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“…Data for heavy-ion (A > 12) and photon beams belong to the category of voluntary compilation, although some data centres routinely compile these data. For example, JCPRG and NNDC are systematically compiling data measured at powerful radioactive ion beam facilities to archive the results of the frontier of basic nu-EPJ Web of Conferences 239, 15001 (2020) https://doi.org/10.1051/epjconf/202023915001 ND2019 EXFOR entries created by the NRDC are verified using the JANIS Trans Checker [8] and ZCHEX [9] to perform format and physics consistency checks. These compilations are further reviewed by the NDS and NEA DB to rigorously check the logical and physical consistency of the files and to verify the bibliographic data.…”

Section: Status Of Collaborationmentioning

confidence: 99%

“…Suspicious data points at the right wing (A ∼ 170) of the mass yield curve detected by visual inspection of an EX-FOR entry with JANIS[8], where digitization of printed data has manufactured unphysical patterns.…”

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confidence: 99%

Progress in international collaboration on EXFOR library

et al. 2020

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The EXFOR library has served as the unique repository of experimental cross section and other nuclear reaction data for 50 years. The Nuclear Reaction Data Centres (NRDC) have compiled data sets from more than 22000 experimental works for the EXFOR library. Our collaboration and effort on improvement of EXFOR coverage are described in this paper, as well as tools for digitization of numerical data from graph images developed by us for EXFOR compilation.

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“…These tools and databases are extensively used by the nuclear data community being an essential part of the Nuclear Data Services delivered by the NEA. Hereafter, a brief summary of these tools is presented emphasising the main features on nuclear data covariances: -The java-based nuclear information software (JANIS) [12] software developed by the NEA Data Bank is used to facilitate the visualisation and manipulation of nuclear data, giving access to evaluated nuclear data libraries, such as ENDF, JEFF, JENDL, TENDL, etc. JANIS is able to read different covariance formats: ENDF, COVERX, ERRORR and BOXER.…”

Section: Nea Tools and Databasesmentioning

confidence: 99%

Checking, processing and verification of nuclear data covariances

Cabellos

Dyrda

Soppera

2018

EPJ Nuclear Sci. Technol.

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The aim of this paper is to present the activities carried out by NEA Data Bank on checking, processing and verification of JEFF-3.3T4 covariances. A picture of the completeness and status of the JEFF-3.3T4 covariances is addressed. The verification of JEFF-3.3T4 covariances is performed with nuclear data sensitivity tool providing the keff uncertainty as a function of the contributing nuclide-reaction pairings including cross-reaction covariances. A total number of 4501 ICSBEP benchmarks is used in this analysis. This exercise is also extended to covariance libraries such as JENDL-4.0 updated files, ENDF/B-VII.1, SCALE-6.2rev8 and ENDF/B-VIII.0β5, allowing comparison of these results with both the experimental criticality benchmark and different methodologies of evaluation.

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JANIS: NEA JAva-based Nuclear Data Information System

Abstract: Abstract. JANIS (JAva-based Nuclear Data Information System) software is developed by the OECD Nuclear Energy Agency (NEA)

Cited by 15 publications

References 5 publications

Optimization of tritium breeding ratio in ARC reactor

Optimization of tritium breeding ratio in ARC reactor

Progress in international collaboration on EXFOR library

Checking, processing and verification of nuclear data covariances

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