THERMOCOAX rhodium SPND sensitivity dispersion and validation of the sensitivity calculation model [PDF]
EPJ Web of Conferences, 2020 This paper describes the neutron irradiation tests of 7 THERMOCOAX Self-Powered Neutron detectors (SPNDs) in the BR1 reactor at SCK•CEN. The SPNDs were fabricated according to the same specifications, but from different fabrication batches.
Vermeeren L. +4 more
exaly +3 more sources
Nuclear Engineering and Technology, 2020 This paper deals with the simulation-based design optimization and experimental validation of the characteristics of an in-core silver Self-Powered Neutron Detector (SPND).
Seyed Mohsen Ayyoubzadeh
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Calculation to experiment comparison of SPND signals in various nuclear reactor environments [PDF]
2015 4th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), 2015 In the perspective of irradiation experiments in the future Jules Horowitz Reactor (JHR), the Instrumentation Sensors and Dosimetry Laboratory of CEA Cadarache (France) is developing a numerical tool for SPND design, simulation and operation. In the frame of the SPND numerical tool qualification, dedicated experiments have been performed both in the ...
Vladimir Radulovic +2 more
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The Self-Powered Detector Simulation ‘MATiSSe’ Toolbox applied to SPNDs for severe accident monitoring in PWRs [PDF]
EPJ Web of Conferences, 2018 In the framework of the French National Research Agency program on nuclear safety and radioprotection, the ‘DIstributed Sensing for COrium Monitoring and Safety’ project aims at developing innovative instrumentation for corium monitoring in case of ...
Barbot Loïc +4 more
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Impact Analysis of Vanadium SPND Prompt Gamma Current in PWR-core Measurement
Yuanzineng kexue jishu, 2023 Vanadium self-powered neutron detector (SPND) is applied in Gen-Ⅲ commercial PWR AP1000 to simultaneously and continuously measure the in-core neutron flux density, and to control the safe and stable operation of nuclear reactors.
SHAO Ruizhi;CAO Liangzhi;LI Yunzhao;SI Fengwei;DU Chao
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He jishuBackgroundThe vanadium self-powered neutron detector (SPND) generates significant gamma noise current in the mixed radiation field of a nuclear reactor, which adversely affects the accuracy of neutron flux measurements and online monitoring of reactor ...
ZHOU Yao +6 more
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Validation of the MCNP model of formation of the background wires current of the self-powered neutron detectors of VVER-1000 [PDF]
Ядерна фізика та енергетика, 2023 The article presents the results of the numerical simulation of the signal formation process of the background wires of self-powered neutron detectors (SPND) under the action of gamma radiation in the VVER-1000 core using MCNP code. The validation of the
V. I. Borysenko, V. V. Goranchuk
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MONACO v2: Multipurpose and Integrated Data Acquisition System for On-line Neutron and Gamma Measurements [PDF]
EPJ Web of Conferences, 2020 The CEA MONACO v2 a multichannel acquisition system dedicated to neutron and gamma measurements. It is unique as it integrates all the following features in one module: automatic generation of saturation curves, automatic generation of pulse ...
Barbot L. +6 more
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Design of High-Gain Signal Amplifier Circuit for Prompt-Response Self-Powered Neutron Detector [PDF]
한국정밀공학회지, 2022 Self-Powered neutron detectors (SPND) detect current generated from interaction of neutron flux with emitter materials. They are inside a reactor in NPP (Nuclear Power Plant), and currently used to monitor the output and control the operation.
Heejune Park +2 more
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Development of a Fast-Spectrum Self-Powered Neutron Detector for Molten Salt Experiments in the Versatile Test Reactor [PDF]
EPJ Web of Conferences, 2021 The self-powered neutron detector (SPND) is a widely used flux monitor in thermal nuclear reactors. Although this is a mature technology, the current state of the art is tuned for a thermal neutron spectrum, so many of the devices currently in use lack ...
Goetz K. C., Cetiner S. M., Celik C.
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