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AbstractAbstract
[en] Review of the nuclear data requirements for the reactor and shielding physical characteristics the calculation of reactor and some other reactor technology applications is given. Relative role of micro- and macroscopic experiments in ensuring the nuclear data accuracy required is discussed
Original Title
Potrebnosti v yadernykh dannykh dlys reaktornoj tekhnologii
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Gosudarstvennyj Komitet po Ispol'zovaniyu Atomnoj Ehnergii SSSR, Moscow; Tsentral'nyj Nauchno-Issledovatel'skij Inst. Informatsii i Tekhniko-Ehkonomicheskikh Issledovanij po Atomnoj Nauke i Tekhnike, Moscow (USSR); p. 5-28; 1976; p. 5-28; 3. all-union conference on neutron physics; Kiev, Ukrainian SSR; 9 - 13 Jun 1975; 32 refs.
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AbstractAbstract
No abstract available
Original Title
Format biblioteki rekomendovannykh yadernykh dannykh dlya rascheta reaktorov (sostoyanie na mart 1971 g.)
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International Atomic Energy Agency, Vienna (Austria); p. 213-260; 1973; Panel on neutron nuclear data evaluation; Vienna, Austria; 30 Aug 1971
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AbstractAbstract
[en] By the results of 200 integral experiments at fast critical assemblies the algorithmic adjustment of the ABBN-MICRO constant system is performed. It is concluded that the constant system obtained is equivalent on its accuracy to the ABBN-78 system used in design calculations
[ru]
Original Title
Otsenka tochnosti raschetnykh predskazanij kharakteristik bystrykh reaktorov-briderov po sisteme konstant BNAB-78
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Gosudarstvennyj Komitet po Ispol'zovaniyu Atomnoj Ehnergii SSSR, Moscow; AN SSSR, Moscow; AN Ukrainskoj SSR, Kiev; AN Ukrainskoj SSR, Kiev. Inst. Yadernykh Issledovanij; p. 316-318; 1980; p. 316-318; 5. All-union conference on neutron physics; Kiev, Ukrainian SSR; 15 - 19 Sep 1980; 3 refs.
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Koshcheev, V.N.; Nikolaev, M.N.
Translation of selected papers published in Nuclear Constants 5(59), 19841987
Translation of selected papers published in Nuclear Constants 5(59), 19841987
AbstractAbstract
[en] This paper describes the first version of a computerized library evaluated neutron data files (FOND) which includes data on the 67 most important nuclear reactor and radiation shielding materials. The data are represented in the ENDF/B format. The sources of data were the results of evaluations of data from differential neutron physics experiments conducted both in the USSR and abroad. The first version of the FOND library is not intended for use in reactor and shielding design calculations, but rather to serve as the basis for developing a corrected version which will guarantee adequate description of the results of a representative set of macroscopic experiments, and for generating multigroup constant systems in methodological research. (author)
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Source
International Atomic Energy Agency, Vienna (Austria). International Nuclear Data Committee; 115 p; Jun 1987; p. 39-49; 18 refs. Translated from Russian.
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Nikolaev, M.N.; Savos'kin, M.M.
Translation of selected papers published in Nuclear Constants 5(59), 19841987
Translation of selected papers published in Nuclear Constants 5(59), 19841987
AbstractAbstract
[en] This paper reviews the present status of the ARAMAKO multigroup constant calculation system for solving neutron and gamma quantum transport equations and for calculations of linear and bilinear functionals of their fields. (author)
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International Atomic Energy Agency, Vienna (Austria). International Nuclear Data Committee; 115 p; Jun 1987; p. 59-65; 12 refs. Translated from Russian.
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AbstractAbstract
No abstract available
Original Title
Analiticheskij metod polucheniya podgruppovykh parametrov
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Letter-to-the-editor; for English translation see the journal Sov. J. At. Energy.
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Journal Article
Journal
Atomnaya Ehnergiya; v. 35(6); p. 429-430
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AbstractAbstract
[en] The importance of accounting for resonance self-screening effects in multigroup cross sections when calculating fast reactors and neutron shields is considered. Formulae for averaging cross sections over resonance features with the account of anisotropy for scattering with large energy losses are derived. The model calculations of neutron fluxes have been performed for a U-H mixture (rhosub(H)/rhosub(U)=0.1), a U-Fe-H mixture and for the latter with rhosub(5)/rhosub(Fe)=0.01-0.5. It is concluded that in hydrogen-containing reactors the effect may be significant if the core contains iron in large quantities. The cross section averaging is considered for 3 systems: the KBR-2 critical assembly, spherical model of a large breeder, critical sphere of UO2 with 30% enrichment. The scattering anisotropy changes the multiplication factors of the first two systems by about 0.3%
Original Title
Ob uchete anizotropii rasseyaniya pri raschete konstant mnogogruppovogo uravneniya perenosa nejtronov
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Gosudarstvennyj Komitet po Ispol'zovaniyu Atomnoj Ehnergii SSSR, Moscow; Tsentral'nyj Nauchno-Issledovatel'skij Inst. Informatsii i Tekhniko-Ehkonomicheskikh Issledovanij po Atomnoj Nauke i Tekhnike, Moscow (USSR); Voprosy atomnoj nauki i tekhniki; no.2; p. 41-55; 1978; p. 41-55; 8 refs.; 2 figs.; 7 tables.
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Miscellaneous
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Kolesov, V.E.; Nikolaev, M.N.
International Atomic Energy Agency, Vienna (Austria). International Nuclear Data Committee1977
International Atomic Energy Agency, Vienna (Austria). International Nuclear Data Committee1977
AbstractAbstract
[en] The formats represent a generalization and extension of the English formats ''Parker, K., the Aldermaston Nuclear Data Library as at May 1963''. (AWRE 0-70/63, September 1963). An important feature of the formats proposed here is the introduction of a special classification of the information according to the type of representation. This makes the system of nuclear data storage more flexible and allows the capabilities of modern computers to be more fully utilized. This complete format description of the SOKRATOR library (Soviet Library of Evaluated Nuclear Data) is a translation from Russian original and its supplement. The document will help the user of SOKRATOR files to understand the physics definitions and coding conventions for the various types of numerical data
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Aug 1977; 75 p; Translated from Russian.
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Nikolaev, M.N.; Bazazyants, N.O.
International Atomic Energy Agency, Vienna (Austria). International Nuclear Data Committee1976
International Atomic Energy Agency, Vienna (Austria). International Nuclear Data Committee1976
AbstractAbstract
[en] Results and a critical review of all published data on angular distributions of elastic neutron scattering are given. Problems on the sufficiency of experimental and theoretical information and the compatability of results by different authors are considered, and the possible causes of divergencies are discussed. The data up to 15 MeV are represented in the form of graphs. A review of the main characteristics of the experimental methods and practically the whole bibliographic information on the problems considered are given
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Jan 1976; 289 p; Translated from Russian.
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AbstractAbstract
No abstract available
Original Title
Formulirovka granichnykh uslovij v metode podgrupp
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For English translation see the journal Sov. J. At. Energy. Published in summary form only (Deposited article).
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Journal Article
Journal
Atomnaya Ehnergiya; v. 34(2); p. 112
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