重要函数分辨率对用蒙特卡罗方法计算水临界组件中子动力学泛函精度的影响

Q4 Energy Izvestiya Wysshikh Uchebnykh Zawedeniy, Yadernaya Energetika Pub Date : 2023-03-01 DOI:10.26583/npe.2023.2.01

D. M. Arkhangelsky, Yuliya S. Daichenkova, Mikhail A. Kalugin, Dmitry S. Oleynik, D. Shkarovsky, Georgy Tikhomirov

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摘要

本文以ICSBEP手册中的三个临界实验为例，研究了重要函数对单片机蒙特卡罗码计算延迟中子有效分数、β eff和瞬时中子产生时间精度的影响。在单片机代码中，重要性函数采用分段常数形式:计算模型被分解为有限个配准对象

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The Effect of the Importance Function Resolution on the Accuracy of Calculating the Functionals of the Neutron Kinetics in Water Critical Assemblies by Monte Carlo Method

The paper considers a computational study of the importance function effect on the accuracy of calculating the effec - tive fraction of delayed neutrons, β eff , and generation time of instantaneous neutrons using the MCU Monte Carlo code based on the example of three criticality experiments from the ICSBEP handbook. In the MCU code, the importance function has a piecewise constant form: the computational model is broken down into a finite number of registration objects

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来源期刊

Izvestiya Wysshikh Uchebnykh Zawedeniy, Yadernaya Energetika Energy-Nuclear Energy and Engineering

CiteScore

0.40

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0.00%

发文量

期刊介绍： The scientific journal Izvestiya Wysshikh Uchebnykh Zawedeniy, Yadernaya Energetika is included in the Scopus database. Publisher country is RU. The main subject areas of published articles are Nuclear Energy and Engineering, Физика, Приборостроение, метрология и информационно-измерительные приборы и системы, Информатика, вычислительная техника и управление, Энергетика. Before sending a scientific article, we recommend you to read the section For authors. This will allow you to prepare an article better for publication, to make it more interesting for the readers and useful for the scientific community. By following these steps, you will greatly increase the likelihood of your scientific article publishing in journals included in international citation systems (e.g., Scopus). Then you may choose a different journal, select the journal included to list of SAC Russia journal list, or send your scientific work for review and publication.