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j.anucene.2018.02.008.pdf | 801.32 kB | Adobe PDF | 見る/開く |
タイトル: | Implementation of a frequency-domain neutron noise analysis method in a production-level continuous energy Monte Carlo code: Verification and application in a BWR |
著者: | Yamamoto, Toshihiro ![]() ![]() ![]() |
著者名の別形: | 山本, 俊弘 |
キーワード: | Monte Carlo Neutron noise Frequency domain BWR |
発行日: | May-2018 |
出版者: | Elsevier BV |
誌名: | Annals of Nuclear Energy |
巻: | 115 |
開始ページ: | 494 |
終了ページ: | 501 |
抄録: | A Monte Carlo algorithm for solving the transport equation of the neutron noise in the frequency domain has been newly implemented into a production-level continuous energy Monte Carlo code, MCNP. Using the continuous energy Monte Carlo code, accurate neutron noise calculations can be performed with fewer approximations. The implemented algorithm is based on a method that was previously developed by the author of this paper. The modified code is currently applicable to neutron noise calculations only within the plateau frequency range. The modified code is applied to the neutron noise calculations in a one-dimensional homogeneous multiplying system to verify its effectiveness through comparison with a two-energy group in-house research-purpose code. The neutron noise calculations for a benchmark model of a BWR core are performed using the modified MCNP code. The spatial and frequency characteristics of the neutron noise propagation in the BWR core are investigated through the calculations. The neutron noise near the noise source differs largely from the point kinetics because of the higher order mode effect. |
著作権等: | © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ The full-text file will be made open to the public on 01 May 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/234592 |
DOI(出版社版): | 10.1016/j.anucene.2018.02.008 |
出現コレクション: | 学術雑誌掲載論文等 |
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