Equalization of energy density in boiling water reactors (as exemplified by WB-50). Development and testing of WB -50 computational model on the basis of MCU-RR code; Journal of Physics: Conference Series; Vol. 781 : Nuclear Reactor Physics 2016 (ICNRP-2016)
| Parent link: | Journal of Physics: Conference Series Vol. 781 : Nuclear Reactor Physics 2016 (ICNRP-2016).— 2017.— [012024, 4 p.] |
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| Corporate Authors: | , |
| Andre forfattere: | , , , |
| Summary: | Title screen Within the framework of research in possibility and prospects of power density equalization in boiling water reactors (as exemplified by WB-50) a work was undertaken to improve prior computational model of the WB-50 reactor implemented in MCU-RR software. Analysis of prior works showed that critical state calculations have deviation of calculated reactivity exceeding +-0.3 % ([delta]Kef/Kef) for minimum concentrations of boric acid in the reactor water and reaching 2 % for maximum concentration values. Axial coefficient of nonuniform burnup distribution reaches high values in the WB-50 reactor. Thus, the computational model needed refinement to take into account burnup inhomogeneity along the fuel assembly height. At this stage, computational results with mean square deviation of less than 0.7 % ([delta]Kef/Kef) and dispersion of design values of +-1 % ([delta]K/K) shall be deemed acceptable. Further lowering of these parameters apparently requires root cause analysis of such large values and paying more attention to experimental measurement techniques. |
| Sprog: | engelsk |
| Udgivet: |
2017
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| Fag: | |
| Online adgang: | https://doi.org/10.1088/1742-6596/781/1/012024 |
| Format: | Electronisk Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=655929 |
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| 200 | 1 | |a Equalization of energy density in boiling water reactors (as exemplified by WB-50). Development and testing of WB -50 computational model on the basis of MCU-RR code |f Yu. B. Chertkov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 3 tit.] | ||
| 330 | |a Within the framework of research in possibility and prospects of power density equalization in boiling water reactors (as exemplified by WB-50) a work was undertaken to improve prior computational model of the WB-50 reactor implemented in MCU-RR software. Analysis of prior works showed that critical state calculations have deviation of calculated reactivity exceeding +-0.3 % ([delta]Kef/Kef) for minimum concentrations of boric acid in the reactor water and reaching 2 % for maximum concentration values. Axial coefficient of nonuniform burnup distribution reaches high values in the WB-50 reactor. Thus, the computational model needed refinement to take into account burnup inhomogeneity along the fuel assembly height. At this stage, computational results with mean square deviation of less than 0.7 % ([delta]Kef/Kef) and dispersion of design values of +-1 % ([delta]K/K) shall be deemed acceptable. Further lowering of these parameters apparently requires root cause analysis of such large values and paying more attention to experimental measurement techniques. | ||
| 461 | 1 | |0 (RuTPU)RU\TPU\network\3526 |t Journal of Physics: Conference Series | |
| 463 | 1 | |t Vol. 781 : Nuclear Reactor Physics 2016 (ICNRP-2016) |o International Conference for Young Scientists, Specialists, and Postgraduates, 5–9 September 2016, Moscow, Russian Federation |v [012024, 4 p.] |d 2017 | |
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| 701 | 1 | |a Chertkov |b Yu. B. |c physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of physical and mathematical sciences |f 1948- |g Yuri Borisovich |3 (RuTPU)RU\TPU\pers\31212 |9 15408 | |
| 701 | 1 | |a Disyuk |b V. V. |g Valentin Vladimirovich | |
| 701 | 1 | |a Pimenov |b E. Yu. |g Eduard Yurjevich | |
| 701 | 1 | |a Aksenova |b N. V. |c linguist |c Senior Lecturer of Tomsk Polytechnic University |f 1979- |g Nataliya Valerievna |3 (RuTPU)RU\TPU\pers\32859 | |
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