Identification model of an accidental drop of a control rod in PWR reactors using thermocouple readings and radial basis function neural networks
Sign Up to like & getrecommendations! Published in 2017 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2017.01.004
Abstract: Abstract The accidental dropping of a control rod may cause the reactor to operate unsafely. In this type of event, there is a distortion in the distribution of power and temperature in the core may… read more here.
Keywords: neural networks; drop; control; control rod ... See more keywords
Analysis of a control rod ejection accident in a boron-free small modular reactor with coupled neutronics/thermal-hydraulics code
Sign Up to like & getrecommendations! Published in 2019 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2019.06.009
Abstract: Abstract Design-basis accidents such as control rod ejection accident (REA) must be evaluated as part of a deterministic safety analysis for any reactor licensing process. In the present work, the behavior of a newly developed… read more here.
Keywords: control; control rod; fuel; analysis ... See more keywords
Uncertainty propagation analysis for control rod worth of PWR based on the statistical sampling method
Sign Up to like & getrecommendations! Published in 2020 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2019.107054
Abstract: Abstract Based on the idea of uncertainty propagation, global relative covariance matrices of few-group cross sections representing the uncertainties propagated from the basic nuclear data and manufacturing tolerance were built by using statistical method. Then… read more here.
Keywords: uncertainty propagation; control rod; uncertainty; sampling method ... See more keywords
Experimental and analytical determination of irradiated control rod worth of a low power research reactor
Sign Up to like & getrecommendations! Published in 2022 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2021.108724
Abstract: Abstract The NIRR-1 has a single control rod that performs the function of shutting down, shimming and bringing the reactor to power. Assessment of the efficiency of control rod is very important especially after modification.… read more here.
Keywords: rod worth; control; control rod; experimental analytical ... See more keywords
Analysis and optimization research on latch life of control rod drive mechanism based on approximate model
Sign Up to like & getrecommendations! Published in 2021 at "Nuclear Engineering and Technology"
DOI: 10.1016/j.net.2021.06.012
Abstract: Abstract The Control Rod Drive Mechanism (CRDM) is an essential part of the reactor, which realizes the start-stop and power adjustment of the reactor by lifting and lowering the control rod assembly. As a moving… read more here.
Keywords: optimization; latch life; control rod; life latch ... See more keywords
Sensitivity analysis of the parameters of the hydraulic cylinder in pressure transients stepping motion for the control rod hydraulic drive system based on Model II
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2017.1331762
Abstract: ABSTRACT Hydraulic control rod drive technology (HCRDT) is a newly invented patent and Institute of Nuclear and New Energy Technology Tsinghua University owns HCRDT's independent intellectual property rights. The hydraulic cylinder is the key part… read more here.
Keywords: control rod; analysis parameters; model; cylinder ... See more keywords
SpringWorm: A Soft Crawling Robot with a Large-Range Omnidirectional Deformable Rectangular Spring for Control Rod Drive Mechanism Inspection.
Sign Up to like & getrecommendations! Published in 2022 at "Soft robotics"
DOI: 10.1089/soro.2021.0127
Abstract: In this article, a cable-driven elastic backbone worm-like robot (named "SpringWorm") of decimeter-level size is designed, which has high adaptability in crack inspection of the weld between reactor pressure vessel (RPV) and control rod drive… read more here.
Keywords: inspection; rod drive; springworm; backbone ... See more keywords
Monitoring system of the fuel-Casette-free STATE of the control rod sleeves on the PAKS NPP.
Sign Up to like & getrecommendations! Published in 2023 at "Radiation protection dosimetry"
DOI: 10.1093/rpd/ncad116
Abstract: Lifting the control rod sleeves (CRS) is one of the initial steps of the refuelling of the VVER-400-213 type reactor, which are operating at Paks NPP. If any fuel-cassette adheres to the CRS during its… read more here.
Keywords: system; paks npp; fuel; monitoring system ... See more keywords
Experimental Investigation of Control Rod Drops into Perturbed Fuel Assemblies
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Nuclear Engineering and Radiation Science"
DOI: 10.1115/1.4062275
Abstract: This paper discusses permanent deformation of the fuel assembly of pressurized water reactors that can satisfy a drop time requirement of the control rod assembly. During a seismic event, the fuel assemblies and the reactor… read more here.
Keywords: fuel; drop; fuel assemblies; fuel assembly ... See more keywords