Safety Enhancement of Tehran Research Reactor with a Second Shutdown System

Safety and related categories are of importance in all fields of nuclear industry, especially as regards the nuclear reactors. One of the most important safety aspects in the nuclear reactors is the shutdown system, each reactor requiring at least one. One of capabilities that can improve the safety...

Full description

Bibliographic Details
Main Authors: E Boustani, S Khakshournia, E Abedi
Format: Article
Language:fas
Published: Nuclear Science and Technology Research Institute 2017-11-01
Series:مجله علوم و فنون هسته‌ای
Subjects:
Online Access:https://jonsat.nstri.ir/article_162_b8af4cda73f33629c1e841e21593d268.pdf
_version_ 1797835130380746752
author E Boustani
S Khakshournia
E Abedi
author_facet E Boustani
S Khakshournia
E Abedi
author_sort E Boustani
collection DOAJ
description Safety and related categories are of importance in all fields of nuclear industry, especially as regards the nuclear reactors. One of the most important safety aspects in the nuclear reactors is the shutdown system, each reactor requiring at least one. One of capabilities that can improve the safety of a nuclear reactor is adding another shutdown system to it. For making any change as design and locating second shutdown system in the reactor, attention to special characteristics of any reactor and design basis criteria such as redundancy, diversity, separation, single failure criteria and fail-safe mode is necessary. A second shutdown system based on the injection of neutron absorber is designed with considering its standards and requirements for Tehran Research Reactor. The proposed design has a high reliability that fulfils the most important design requirement, which is having enough negative reactivity, has the ability to maintain the reactor in subcritical state in a determined period of time with the necessary safety margin and for needed time duration. Calculations and simulations have been done using MCNPX code. This design has some negative effects on different core characteristics, albeit minimized by the designed structure optimization.
first_indexed 2024-04-09T14:49:22Z
format Article
id doaj.art-e261ca413dde4d65a295ac291f18904d
institution Directory Open Access Journal
issn 1735-1871
2676-5861
language fas
last_indexed 2024-04-09T14:49:22Z
publishDate 2017-11-01
publisher Nuclear Science and Technology Research Institute
record_format Article
series مجله علوم و فنون هسته‌ای
spelling doaj.art-e261ca413dde4d65a295ac291f18904d2023-05-02T10:22:19ZfasNuclear Science and Technology Research Instituteمجله علوم و فنون هسته‌ای1735-18712676-58612017-11-01383112162Safety Enhancement of Tehran Research Reactor with a Second Shutdown SystemE Boustani0S Khakshournia1E Abedi2پژوهشگاه علوم و فنون هسته ای، سازمان انرژی اتمی ایرانپژوهشگاه علوم و فنون هسته ای، سازمان انرژی اتمی ایرانپژوهشگاه علوم و فنون هسته ای، سازمان انرژی اتمی ایرانSafety and related categories are of importance in all fields of nuclear industry, especially as regards the nuclear reactors. One of the most important safety aspects in the nuclear reactors is the shutdown system, each reactor requiring at least one. One of capabilities that can improve the safety of a nuclear reactor is adding another shutdown system to it. For making any change as design and locating second shutdown system in the reactor, attention to special characteristics of any reactor and design basis criteria such as redundancy, diversity, separation, single failure criteria and fail-safe mode is necessary. A second shutdown system based on the injection of neutron absorber is designed with considering its standards and requirements for Tehran Research Reactor. The proposed design has a high reliability that fulfils the most important design requirement, which is having enough negative reactivity, has the ability to maintain the reactor in subcritical state in a determined period of time with the necessary safety margin and for needed time duration. Calculations and simulations have been done using MCNPX code. This design has some negative effects on different core characteristics, albeit minimized by the designed structure optimization.https://jonsat.nstri.ir/article_162_b8af4cda73f33629c1e841e21593d268.pdftehran research reactorsecond shutdown systemsafetyoptimizationmcnpx
spellingShingle E Boustani
S Khakshournia
E Abedi
Safety Enhancement of Tehran Research Reactor with a Second Shutdown System
مجله علوم و فنون هسته‌ای
tehran research reactor
second shutdown system
safety
optimization
mcnpx
title Safety Enhancement of Tehran Research Reactor with a Second Shutdown System
title_full Safety Enhancement of Tehran Research Reactor with a Second Shutdown System
title_fullStr Safety Enhancement of Tehran Research Reactor with a Second Shutdown System
title_full_unstemmed Safety Enhancement of Tehran Research Reactor with a Second Shutdown System
title_short Safety Enhancement of Tehran Research Reactor with a Second Shutdown System
title_sort safety enhancement of tehran research reactor with a second shutdown system
topic tehran research reactor
second shutdown system
safety
optimization
mcnpx
url https://jonsat.nstri.ir/article_162_b8af4cda73f33629c1e841e21593d268.pdf
work_keys_str_mv AT eboustani safetyenhancementoftehranresearchreactorwithasecondshutdownsystem
AT skhakshournia safetyenhancementoftehranresearchreactorwithasecondshutdownsystem
AT eabedi safetyenhancementoftehranresearchreactorwithasecondshutdownsystem