Results 11 to 20 of about 5,597 (253)

Auto Sizing of CANDU Nuclear Reactor Fuel Channel Flaws from UT Scans [PDF]

open access: goldSensors, 2023
The inspection of nuclear power plants is an essential process that occurs during plant outages. During this process, various systems are inspected, including the reactor’s fuel channels to ensure that they are safe and reliable for the plant’s operation.
Issam Hammad   +3 more
doaj   +4 more sources

EVALUATION OF THE APPLICABLE REACTIVITY RANGE OF A REACTIVITY COMPUTER FOR A CANDU-6 REACTOR

open access: diamondNuclear Engineering and Technology, 2014
Recently, a CANDU digital reactivity computer system (CDRCS) to measure the worth of the liquid zone controller in a CANDU-6 was developed and successfully applied to a physics test of refurbished Wolsong Unit 1.
EUN KI LEE, DONG HWAN PARK, WHAN SOO LEE
doaj   +2 more sources

UNCERTAINTY CHARACTERIZATION FRAMEWORK FOR STEADY-STATE AND TRANSIENT NEUTRONICS SIMULATIONS OF A CANDU REACTOR [PDF]

open access: diamondEPJ Web of Conferences, 2021
This paper reports on the development and testing of a comprehensive few-group cross section input uncertainty library for the NESTLE-C nodal diffusion-based nuclear reactor core simulator. This library represents the first milestone of a first-of-a-kind
Abdel-Khalik Hany S.   +3 more
doaj   +2 more sources

Three-component U-Pu-Th fuel for plutonium irradiation in heavy water reactors [PDF]

open access: yesEPJ Nuclear Sciences & Technologies, 2016
This paper discusses concepts for three-component fuel bundles containing plutonium, uranium and thorium for use in pressurised heavy water reactors, and cases for and against implementation of such a nuclear energy system in the United Kingdom.
Peel Ross   +3 more
doaj   +3 more sources

BACKUP AND ULTIMATE HEAT SINKS IN CANDU REACTORS FOR PROLONGED SBO ACCIDENTS

open access: diamondNuclear Engineering and Technology, 2013
In a pressurized heavy water reactor, following loss of the primary coolant, severe core damage would begin with the depletion of the liquid moderator, exposing the top row of internally-voided fuel channels to steam cooling conditions on the inside and ...
T. NITHEANANDAN, M.J. BROWN
doaj   +2 more sources

The mode of operation of CANDU power reactor in thorium self-sufficient fuel cycle [PDF]

open access: goldNuclear Technology and Radiation Protection, 2008
This paper presents the results of calculations for CANDU reactor operation in the thorium fuel cycle. The calculations were performed to estimate feasibility of operation of a heavy-water thermal neutron power reactor in the self-sufficient thorium ...
Bergelson Boris R.   +2 more
doaj   +3 more sources

Effect of DUPIC Cycle on CANDU Reactor Safety Parameters

open access: yesNuclear Engineering and Technology, 2016
Although, the direct use of spent pressurized water reactor (PWR) fuel in CANda Deuterium Uranium (CANDU) reactors (DUPIC) cycle is still under investigation, DUPIC cycle is a promising method for uranium utilization improvement, for reduction of high ...
Nader M.A. Mohamed, Alya Badawi
doaj   +3 more sources

Modelling and Validation of CANDU Shim Operation Using Coupled TRACE/PARCS with Regulating System Response

open access: yesScience and Technology of Nuclear Installations, 2023
In CANDU reactors, shim operation is used when the online refuelling capability becomes temporarily unavailable. Adjuster rods, normally in-core to provide flux flattening, are withdrawn in sequence to provide additional reactivity as the fuel is ...
Simon Younan, David R. Novog
doaj   +2 more sources

Analysis of fuel rejuvenation times in a fusion breeder reactor fuelled with a mixture of uranium-thorium oxides for the CANDU reactor [PDF]

open access: goldNuclear Technology and Radiation Protection, 2017
This study presents the determination of fuel rejuvenation times in a D-T fusion breeder reactor fuelled with a mixture of natUO2 and ThO2 for multi-reuse of nuclear fuels in CANDU-37 reactors.
Bakir Gizem, Yapici Huseyin
doaj   +3 more sources

Radiation damage to Ni-based alloys in Wolsong CANDU reactor environments

open access: diamondNuclear Engineering and Technology, 2019
Radiation damage due to neutrons has been calculated in Ni-based alloys in Wolsong CANDU reactor environments. Two damage parameters are considered: displacement damage, and transmutation gas production.
Junhyun Kwon   +3 more
doaj   +2 more sources

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