Results 11 to 20 of about 211 (130)

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 Adjuster rods, normally in-core to provide flux flattening, are withdrawn in sequence to provide additional reactivity as the fuel is ...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

Transmutations of Long-Lived and Medium-Lived Fission Products Extracted from CANDU and PWR Spent Fuels in an Accelerator-Driven System

open access: yesScience and Technology of Nuclear Installations, 2019
This study presents the time-dependent analyses of transmutations of long-lived fission products (LLFPs) and medium-lived fission products (MLFPs) occurring in thermal reactors in a conceptual helium gas-cooled accelerator-driven system (ADS).
Alper Buğra Arslan   +3 more
doaj   +2 more sources

Recent Progress in Functional Nanomaterials towards the Storage, Separation, and Removal of Tritium

open access: yesAdvanced Materials, Volume 35, Issue 48, November 28, 2023., 2023
Tritium is a prime fuel to generate fusion power, but its storage and separation in pure form are major challenges in nuclear industries. This review discusses recent progress and main research trends in hydrogen isotope storage and separation while emphasizing tritium using metal hydrides, nanoporous zeolites, and metal organic frameworks (MOFs) and 2‐
Muruganantham Rethinasabapathy   +5 more
wiley   +1 more source

A methodology to designate radiation‐controlled areas in decommissioning nuclear power plants

open access: yesEnergy Science &Engineering, Volume 11, Issue 9, Page 3204-3214, September 2023., 2023
Five steps for designating decommissioning radiation‐controlled areas in decommissioning nuclear power plants. Abstract Kori Unit 1, which was permanently shut down in 2017, is expected to be the first decommissioned commercial nuclear power plant (NPP) in Korea.
Seongjun Kim   +9 more
wiley   +1 more source

Effect of alloying elements on aqueous corrosion of nickel‐based alloys at high temperatures: A review

open access: yesMaterials and Corrosion, Volume 74, Issue 8, Page 1246-1255, August 2023., 2023
This review paper provides insights into the corrosion mechanism of nickel‐based alloys in aqueous high‐temperature environments. A good knowledge of the effect of alloying elements such as chromium, molybdenum (+tungsten), and copper on the corrosion and oxide formation of nickel‐based alloys is explored in this paper. Abstract Nickel‐based alloys are
Razieh Karimihaghighi   +1 more
wiley   +1 more source

Conceptual Design of a Novel Megawatt Molten Salt Reactor Cooled by He‐Xe Gas

open access: yesInternational Journal of Energy Research, Volume 2023, Issue 1, 2023., 2023
He‐Xe gas‐cooled micro‐molten salt reactor (HX‐micro‐MSR) is a novel reactor concept that integrates the technologies of molten salt reactor and closed Brayton cycle (CBC), which has a more compact structure compared with the other types of micro‐MSRs.
Hongkai Zhao   +6 more
wiley   +1 more source

Comparative analysis of occupational radiation doses when decommissioning nuclear power plants

open access: yesEnergy Science &Engineering, Volume 10, Issue 12, Page 4358-4365, December 2022., 2022
Radiation doses from precedent decommissioning nuclear power plants worldwide are compared with radiation doses estimated from Kori 1, the first decommissioning‐planned reactor in Korea, to determine dose reduction measures that can achieve radiation exposure that is as low as reasonably achievable to decommissioning workers. Abstract Kori 1, the first
Eun Ji Lee   +9 more
wiley   +1 more source

Uranium Recovery from Phosphates for Self‐Sufficient Nuclear Power in the Eastern Mediterranean

open access: yesScience and Technology of Nuclear Installations, Volume 2022, Issue 1, 2022., 2022
Production of phosphate fertilizers (PF), without uranium recovery, amounts to dispersing uranium compounds on agricultural fields. These compounds are naturally hidden in phosphate rock deposits prior to processing. Such a dispersion is a cumulative environmental damage, that may become rather catastrophic in few hundred years, under the current rates
Nassar H. S. Haidar, Guglielmo Lomonaco
wiley   +1 more source

Optimization of the self-sufficient thorium fuel cycle for CANDU power reactors [PDF]

open access: yesNuclear Technology and Radiation Protection, 2008
The results of optimization calculations for CANDU reactors operating in the thorium cycle are presented in this paper. Calculations were performed to validate the feasibility of operating a heavy-water thermal neutron power reactor in a self-sufficient ...
Bergelson Boris R.   +2 more
doaj   +1 more source

Analysis of Crystalline Rock Permeability Versus Depth in a Canadian Precambrian Rock Setting

open access: yesJournal of Geophysical Research: Solid Earth, Volume 126, Issue 5, May 2021., 2021
Abstract Over the last 50 years, there has been an increased interest in characterizing Precambrian crystalline rock, such as the Canadian Shield, to investigate the feasibility of deep geologic repositories for isolating used nuclear fuel from the biosphere.
Andrew P. Snowdon   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy