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Current-to-flux experimental results in the YALINA-Booster subcritical assembly
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2009 (English)In: Proceedings of International Topical Meeting on Nuclear Research Applications and Utilization of Accelerators: 4-8 May 2009, Vienna, International Atomic Energy Agency, 2009Conference paper, Published paper (Refereed)
Abstract [en]

As a part of the IP-EUROTRANS experimental program at YALINA-Booster, presented in this conference, a set of measurements concerning the current-to-flux techniques has been performed. In a subcritical assembly coupled to an accelerator operating in continuous mode, the power of the reactor is related to the accelerator beam current and the external neutron source strength. It is generally assumed that by monitoring the ratio between the accelerator beam current and the neutron source intensity as well as the ratio between the neutron source intensity and the core power, any change in the system can be detected. With this methodology, changes in the system caused by reactivity transients can be isolated. However, it has been observed that this is only true for transients in the time scale of seconds. At CIEMAT, an acquisition system capable of monitoring the core power, the accelerator beam current and the neutron source intensity in the millisecond scale has been developed. It has been observed that, in these short time ranges, the proportionality relationship between these three quantities is not always fulfilled.

Place, publisher, year, edition, pages
International Atomic Energy Agency, 2009.
Series
Proceedings series (International Atomic Energy Agency), ISSN 0074-1884 ; 173
Keyword [en]
Accelerator beams, Acquisition systems, Continuous mode, Experimental program, External neutron sources, Flux technique, Reactivity transients, Source intensity, Subcritical assembly, Time range, Time-scales, Acceleration, Monitoring, Neutron sources, Neutrons, Nuclear engineering, Transients, Particle accelerator accessories
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-152430Scopus ID: 2-s2.0-79952797772ISBN: 978-920150410-4 (print)OAI: oai:DiVA.org:kth-152430DiVA: diva2:750421
Conference
IAEA International Topical Meeting on Nuclear Research Applications and Utilization of Accelerators, 4 May 2009 through 8 May 2009, Vienna
Note

QC 20140929

Available from: 2014-09-29 Created: 2014-09-26 Last updated: 2014-09-29Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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