Results 21 to 30 of about 183,014 (291)

CFD Investigation of MHTGR Natural Circulation and Decay Heat Removal in P-LOFC Accident

open access: yesFrontiers in Energy Research, 2020
One of the key postulated accidents in a high-temperature gas-cooled reactor (HTGR) is the pressurized loss of forced cooling (P-LOFC) of the primary loop, which can be triggered by its primary helium circulator trip or turbine trip.
Chengqi Wang   +2 more
doaj   +1 more source

Characteristic analysis of natural circulation residual heat removal in small reactor

open access: yesInternational Journal of Advanced Nuclear Reactor Design and Technology, 2022
In order to study the characteristics of small helium-xenon cooled nuclear reactor that only relies on natural circulation to remove residual heat after shutdown, this paper carries out geometric and physical modeling of helium-xenon cooled nuclear ...
Haoyang Liao   +5 more
doaj   +1 more source

Analysis on inadvertent operation of decay heat removal system in NuScale reactor [PDF]

open access: yesAIP Conference Proceedings, 2019
Analysis on inadvertent operation of decay heat removal system in NuScale reactor has been carried out through numerical simulations using the RELAP5 code. The model used includes primary system, secondary system, decay heat removal system (DHRS) and water pool. Simulation begins with an opening of single DHRS train isolation valve when reactor runs at
null Susyadi   +3 more
openaire   +1 more source

Post-test simulation of a PLOFA transient test in the CIRCE-HERO facility [PDF]

open access: yes, 2019
CIRCE is a lead–bismuth eutectic alloy (LBE) pool facility aimed to simulate the primary system of a heavy liquid metal (HLM) cooled pool-type fast reactor.
Caruso G.   +4 more
core   +1 more source

DECAY HEAT REMOVAL SYSTEM SYSTEM DESCRIPTION NO. 8 [PDF]

open access: yes, 1956
The decay heat removal system of the PWR is described. (T.R.H.)
openaire   +2 more sources

Thermal Characteristics of High Temperature Naturally Circulating Helium Cooling Loop

open access: yesJournal of Mechanical Engineering, 2018
The paper deals with the process properties in terms of the heat transfer, i.e. the thermal performance of the thermal-process units within a helium loop intended for the testing of the decay heat removal (DHR) from the model of the gas-cooled fast ...
Dzianik František   +2 more
doaj   +1 more source

Pre-test analysis of protected loss of primary pump transients in CIRCE-HERO facility [PDF]

open access: yes, 2017
In the frame of LEADER project (Lead-cooled European Advanced Demonstration Reactor), a new configuration of the steam generator for ALFRED (Advanced Lead Fast Reactor European Demonstrator) was proposed. The new concept is a super-heated steam generator,
Caruso, G.   +4 more
core   +1 more source

Decay Heat Removal and Transient Analysis in Accidental Conditions in the EFIT Reactor

open access: yesScience and Technology of Nuclear Installations, 2008
The development of a conceptual design of an industrial-scale transmutation facility (EFIT) of several 100 MW thermal power based on accelerator-driven system (ADS) is addressed in the frame of the European EUROTRANS Integral Project. In normal operation,
Giacomino Bandini   +5 more
doaj   +1 more source

Numerical Simulation of Natural Circulation Characteristic of Fast Reactor Passive Decay Heat Removal System Based on “1-D System+3-D CFD” Coupled Method

open access: yesYuanzineng kexue jishu
The sodium-cooled fast reactor is one of the important reactor types of the fourth-generation advanced nuclear energy system. The safety of sodium-cooled fast reactors is improved by introducing a new passive decay heat removal system.
LU Daogang1, 2, SONG Haijie1, 2, GUO Jinsong1, 2, ZHAO Haiqi1, 2, ZHANG Yuhao1, 2, , , SUI Danting1, 2
doaj   +1 more source

Hydrodynamic Properties of High Temperature Natural Circulating Helium Cooling Loop

open access: yesJournal of Mechanical Engineering, 2017
The paper deals with the hydrodynamic properties, i.e. the consumption of mechanical energy expressed by pressure drops within a helium loop intended for the testing of decay heat removal (DHR) from the model of a gas-cooled fast reactor (GFR).
Dzianik František, Gužela Štefan
doaj   +1 more source

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