Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator

In this study, we proposed in-vessel two-channel control rod positioner models for small nuclear reactors and carried out performance tests to evaluate applicability of the models. Embedding control rod positioners in reactors reduces the volume of small reactors and minimizes the penetration parts...

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Main Authors: Soonwoo Han, Jae-Seon Lee
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Nuclear Engineering and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1738573324003966
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author Soonwoo Han
Jae-Seon Lee
author_facet Soonwoo Han
Jae-Seon Lee
author_sort Soonwoo Han
collection DOAJ
description In this study, we proposed in-vessel two-channel control rod positioner models for small nuclear reactors and carried out performance tests to evaluate applicability of the models. Embedding control rod positioners in reactors reduces the volume of small reactors and minimizes the penetration parts of reactor. In this study, two models having two physically separated solenoids were developed for measuring the position of the control rod by using the inductance change of a solenoid. First, the principle of measuring the position of a ferromagnetic rod by using a solenoid was formulated, and the change in solenoid inductance with the rod position was calculated through finite element analysis. Based on the proposed models, test products were manufactured and tested on three items to confirm the feasibility of the proposed solenoid-based two-channel control rod position indicator.
format Article
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institution Kabale University
issn 1738-5733
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publishDate 2025-01-01
publisher Elsevier
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series Nuclear Engineering and Technology
spelling doaj-art-7f52f8b42508404bb9b5a2d19f98dacd2025-01-12T05:24:38ZengElsevierNuclear Engineering and Technology1738-57332025-01-01571103149Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicatorSoonwoo Han0Jae-Seon Lee1Corresponding author. Korea Atomic Energy Research Institute, 111 Daedeok-daero 989, Yuseong-gu, Daejeon, South Korea.; Korea Atomic Energy Research Institute, Daejeon-Si, 437-757, South KoreaKorea Atomic Energy Research Institute, Daejeon-Si, 437-757, South KoreaIn this study, we proposed in-vessel two-channel control rod positioner models for small nuclear reactors and carried out performance tests to evaluate applicability of the models. Embedding control rod positioners in reactors reduces the volume of small reactors and minimizes the penetration parts of reactor. In this study, two models having two physically separated solenoids were developed for measuring the position of the control rod by using the inductance change of a solenoid. First, the principle of measuring the position of a ferromagnetic rod by using a solenoid was formulated, and the change in solenoid inductance with the rod position was calculated through finite element analysis. Based on the proposed models, test products were manufactured and tested on three items to confirm the feasibility of the proposed solenoid-based two-channel control rod position indicator.http://www.sciencedirect.com/science/article/pii/S1738573324003966Control rod position indicatorIn-vesselSolenoidInductanceConceptual modelsTest products
spellingShingle Soonwoo Han
Jae-Seon Lee
Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator
Nuclear Engineering and Technology
Control rod position indicator
In-vessel
Solenoid
Inductance
Conceptual models
Test products
title Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator
title_full Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator
title_fullStr Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator
title_full_unstemmed Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator
title_short Development and experimental validation of conceptual models for solenoid-based in-vessel two-channel control rod position indicator
title_sort development and experimental validation of conceptual models for solenoid based in vessel two channel control rod position indicator
topic Control rod position indicator
In-vessel
Solenoid
Inductance
Conceptual models
Test products
url http://www.sciencedirect.com/science/article/pii/S1738573324003966
work_keys_str_mv AT soonwoohan developmentandexperimentalvalidationofconceptualmodelsforsolenoidbasedinvesseltwochannelcontrolrodpositionindicator
AT jaeseonlee developmentandexperimentalvalidationofconceptualmodelsforsolenoidbasedinvesseltwochannelcontrolrodpositionindicator