Effect of the linear heat generation rate (LHGR) on the centerline temperature of fuel rod and minimum departure from nucleate boiling ratio (MDNBR) for the VVER-1200 reactor; Nuclear Engineering and Technology; Vol. 58, iss. 2

Effect of the linear heat generation rate (LHGR) on the centerline temperature of fuel rod and minimum departure from nucleate boiling ratio (MDNBR) for the VVER-1200 reactor; Nuclear Engineering and Technology; Vol. 58, iss. 2

Библиографические подробности
Источник:Nuclear Engineering and Technology.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 58, iss. 2.— 2026.— Article number 103973, 9 p.
Главный автор: Korotkikh A. G. Aleksandr Gennadievich
Другие авторы: Odii Ch. J. Christopher Joseph
Примечания:The purpose of setting safety limits on peaking and hot channel factors is to establish a boundary on the maximum power generated by fuel, ensuring consistency with the design limits of the fuel. The fuel design limits ensure effective heat transfer aligned with the core's heat generation distribution. These design limits ensure effective heat removal by the reactor coolant system during normal operations and provide appropriate engineered safety features during emergencies. In this study, we modeled a VVER-1200 nuclear fuel rod surrounded by a turbulent flow coolant using COMSOL Multiphysics. The objective is to analyze the thermal-hydraulic parameters of the rod at various power peaking factors. This analysis will help us determine the operational limits for the fuel rod's centerline temperature and the minimum departure from nucleate boiling ratio (MDNBR). Additionally, we aim to establish correlations between the linear heat generation rate (LHGR) and the centerline temperature as well as the MDNBR
Текстовый файл
AM_Agreement
Язык:английский
Опубликовано: 2026
Предметы:
Thermal power
Linear heat generation rate
Fuel rod
Minimum departure from nucleate boiling ratio
Temperature
электронный ресурс
труды учёных ТПУ
Online-ссылка:https://doi.org/10.1016/j.net.2025.103973
Формат: Электронный ресурс Статья
Запись в KOHA:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=683581

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