Small, annular, double-contained (252)Cf fission chamber for source-driven subcriticality measurements

Small, annular, double-contained (252)Cf fission chamber for source-driven subcriticality measurements

A small-diameter, double-contained (252)Cf fission chamber design that can be inserted into a 0.95-cm (0.375-in) diameter hole or tube (such as the control rod guide tubes in pressurized water reactor (PWR) fuel elements) is described. This fission chamber can be used as a neutron driver for subcrit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Chiles, M M, Mihalczo, J T, Fowler, C E
Format: Tagungsbericht
Sprache:eng
Schlagworte:
210200 - Power Reactors, Nonbreeding, Light-Water Moderated, Nonboiling Water Cooled
220400 - Nuclear Reactor Technology- Control Systems
440101 - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
DESIGN
ENRICHED URANIUM REACTORS
EVEN-EVEN NUCLEI
FISSION CHAMBERS
FUEL ELEMENTS
GENERAL STUDIES OF NUCLEAR REACTORS
HEAVY NUCLEI
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
IONIZATION CHAMBERS
ISOTOPES
MEASURING INSTRUMENTS
NEUTRON DETECTORS
NUCLEI
POWER REACTORS
PWR TYPE REACTORS
RADIATION DETECTORS
RADIOISOTOPES
REACTOR COMPONENTS
REACTORS
SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
SPENT FUEL ELEMENTS
SPONTANEOUS FISSION RADIOISOTOPES
SUBCRITICALITY
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS
YEARS LIVING RADIOISOTOPES
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Beschreibung
Zusammenfassung:A small-diameter, double-contained (252)Cf fission chamber design that can be inserted into a 0.95-cm (0.375-in) diameter hole or tube (such as the control rod guide tubes in pressurized water reactor (PWR) fuel elements) is described. This fission chamber can be used as a neutron driver for subcriticality measurements with irradiated PWR fuel elements. This prototype contains ~0.1 mug of (252)Cf, but the design has the flexibility to accommodate larger amounts of fissionable material required for PWR tests. Details of the design are presented, as well as some of the instrument's operational parameters and performance characteristics
ISSN:0018-9499
1558-1578
DOI:10.1109/23.256667