Results 11 to 20 of about 326 (121)

Assessment of RELAP5 model for the University of Massachusetts Lowell Research Reactor [PDF]

open access: yesNuclear Technology and Radiation Protection, 2006
RELAP5 is a system code developed at the Idaho National Environmental and Engineering Laboratory for thermal hydraulic analysis of nuclear reactors. The code RELAP5 is widely used for safety analysis studies of commercial nuclear power plants.
Bousbia-Salah Anis   +5 more
doaj   +1 more source

Development and Assessment of the COBRA/RELAP5 Code. [PDF]

open access: yesJournal of Nuclear Science and Technology, 1997
The COBRA/RELAP5 code has been developed to combine the realistic three-dimensional reactor vessel model of COBRA-TF with RELAP5/MOD3.2, thus to produce an advanced system analysis code with a multidimensional thermal-hydraulic module. This paper provides the integration scheme of the two codes. The results of developmental assesments are also provided,
JEONG, Jae-Jun   +2 more
openaire   +1 more source

Validation of RELAP5 MOD3.3 code for Hybrid-SIT against SET and IET experimental data

open access: yesNuclear Engineering and Technology, 2020
We validated the performance of RELAP MOD3.3 code regarding the hybrid SIT with available experimental data. The concept of the hybrid SIT is to connect the pressurizer to SIT to utilize the water inside SIT in the case of SBO or SB-LOCA combined with ...
Ho Joon Yoon   +3 more
doaj   +1 more source

Simulation and Analysis of Small Break LOCA for AP1000 Using RELAP5-MV and Its Comparison with NOTRUMP Code

open access: yesScience and Technology of Nuclear Installations, 2017
Many reactor safety simulation codes for nuclear power plants (NPPs) have been developed. However, it is very important to evaluate these codes by testing different accident scenarios in actual plant conditions.
Eltayeb Yousif   +3 more
doaj   +1 more source

Brayton cycle numerical modeling using the RELAP5-3D code, version 4.3.4

open access: yesBrazilian Journal of Radiation Sciences, 2019
This work contributes to enable and develop technologies to mount fast microreactors, to generate heat and electric energy, for the purpose to warm and to supply electrically spacecraft equipment and, also, the production of nuclear space propulsion ...
Eduardo Pedroso Longhini   +4 more
doaj   +1 more source

Research on Suppressant Characteristic in Pressure Suppression Pool of Small Pressurized Water Reactor

open access: yesYuanzineng kexue jishu, 2023
Compared with traditional large scale pressurized water reactor, the volume of the containment of small pressurized water reactor is small. During a loss of coolant accident (LOCA), the containment pressure of small pressurized water reactor rises ...
QIN Bitan;ZHAO Dihong;HONG Gang;LU Jiaming;ZHANG Yaoli
doaj  

Transient analysis of OSU-MASLWR with RELAP5

open access: yesJournal of Physics: Conference Series, 2022
Abstract The present paper deals with the assessment of the original and a modified version of RELAP5/MOD3.3 against the OSU Multi Application Small Light Water Reactor (OSU-MASLWR). The new implemented features regard suitable correlations for the heat transfer coefficient evaluation in helical geometry.
Molinari M.   +3 more
openaire   +1 more source

Development and Verification of Visual Interactive Simulation Platform for Reactor System

open access: yesYuanzineng kexue jishu, 2023
RELAP5 is one of the most commonly used programs for reactor thermal hydraulic analysis. Due to the early developing time, RELAP5 does not have a friendly graphical user interface and interactive interface, resulting in the lack of human-computer ...
ZHANG Penghui;LU Guoqing;CHEN Ronghua;XU Wanqing;SU Guanghui;TIAN Wenxi;QIU Suizheng
doaj  

Development and application of multi-scale thermal fluid coupling program for molten salt cooled fast reactor based on RELAP5 and sub-channel program

open access: yesHe jishu, 2022
BackgroundThe natural circulation chloride cooled fast reactor (N3CFR) has the characteristics of simple structure, high inherent safety and good economy. It is an advanced fourth-generation nuclear energy system with development potential.
SONG Shiyang   +3 more
doaj   +1 more source

Improved Radiation Heat Transfer Model in RELAP5 for Compact Fuel Rod Bundles by the Absorption Factor Modification

open access: yesFrontiers in Energy Research, 2022
Simulations of radiation heat transfer in fuel rod bundles are necessary for the thermal hydraulic design and safety analysis of open lattice gas-cooled reactors, which always operate at high temperatures.
Qian Sun, Yu Ji, Jun Sun
doaj   +1 more source

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