Reactivity worth of the control rods at the ET-RR-2 reactor core
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H. G. Saleh
Abstract
Safety analysis of research reactors include a determination of control rod worth and kinetic parameters upon which the dynamic performance of the reactor depends. The core control of the ET-RR-2 reactor is accomplished through six Ag-In-Cd alloy-absorbing plates, which can be inserted into the core with a high velocity. In the present work, the fully and partially inserted control rod configuration in 3D reactor geometry and the effect of reactivity worth of the control rods on the reactor core is studied. The reactivity worth were calculated for each control rod and also for combinations of more than one rod. The total worth of all control rods in the reactor core is about 16.95% k/k from the core reactivity. Other neutronic parameters, i. e. the 3D neutron flux distribution and the change of the power peaking factor as a results of inserted and withdrawing the control rods were calculated.
Kurzfassung
Die Sicherheitsanalyse von Forschungsreaktoren schließt auch eine Bestimmung der Wirksamkeit der Steuerstäbe und der kinetischen Parameter mit ein. Die Steuerung des Reakorkerns des ET-RR-2 wird durchgeführt mit sechs Ag-In-Cd Platten, die mit hoher Geschwindigkeit in den Reaktorkern eingebracht werden können. In der vorliegenden Arbeit wird das vollständige bzw. teilweise Einbringen der Steuerstäbe in 3D Reaktorgeometrie sowie der Einfluss der Reaktivitätswerte der Steuerstäbe auf den Reaktorkern untersucht. Die Reaktivitätswerte wurden für jeden Kontrollstab einzeln und auch für Kombinationen mehrerer Stäbe berechnet. Die Wirksamkeit der Steuerstäbe im Reaktorkern liegt bei 16,95% k/k der Kernreaktivität. Andere Betriebsparameter, z. B. die 3D Neutronenflussverteilung und die Änderung des Leistungsformfaktors beim Einbringen bzw. Zurücknehmen der Steuerstäbe wurden ebenfalls berechnet.
References
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© 2005, Carl Hanser Verlag, München
Articles in the same Issue
- Contents/Inhalt
- Contents
- Summaries/Kurzfassungen
- Summaries/Kurzfassungen
- Editorial
- 70 Volumes Kerntechnik
- Technical Contributions/Fachbeiträge
- Uncertainty and sensitivity analysis of void and power reactivity coefficients in an RBMK-1500 reactor core
- Theoretical studies on thermal stratification in a side heated cavity
- Measurement of the neutron fluence on the spallation source at Dubna
- Neutron reflection and leakage models for one-dimensional reactor computations
- Reactivity worth of the control rods at the ET-RR-2 reactor core
- Neutronic conceptual design of the ETRR-2 cold neutron source
- Criticality analyses of regions containing uranium in the earth history
- Semi-statistical mechanical fuel rod design
- Brennstabauslegung und Brennstabmodellierung – Teil 2
- The chemical separation of Eka-Hg from CERN W targets in view of recent relativistic calculations
- Letter to the Editor
- Comments on the question of the discovery of element 112 as early as 1971
Articles in the same Issue
- Contents/Inhalt
- Contents
- Summaries/Kurzfassungen
- Summaries/Kurzfassungen
- Editorial
- 70 Volumes Kerntechnik
- Technical Contributions/Fachbeiträge
- Uncertainty and sensitivity analysis of void and power reactivity coefficients in an RBMK-1500 reactor core
- Theoretical studies on thermal stratification in a side heated cavity
- Measurement of the neutron fluence on the spallation source at Dubna
- Neutron reflection and leakage models for one-dimensional reactor computations
- Reactivity worth of the control rods at the ET-RR-2 reactor core
- Neutronic conceptual design of the ETRR-2 cold neutron source
- Criticality analyses of regions containing uranium in the earth history
- Semi-statistical mechanical fuel rod design
- Brennstabauslegung und Brennstabmodellierung – Teil 2
- The chemical separation of Eka-Hg from CERN W targets in view of recent relativistic calculations
- Letter to the Editor
- Comments on the question of the discovery of element 112 as early as 1971
