Slide Rule for Rapid Response Estimation of Radiological Dose from Criticality Accidents

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This paper describes a functional slide rule that provides a readily usable �in-hand� method for estimating nuclear criticality accident information from sliding graphs, thereby permitting (1) the rapid estimation of pertinent criticality accident information without laborious or sophisticated calculations in a nuclear criticality emergency situation, (2) the appraisal of potential fission yields and external personnel radiation exposures for facility safety analyses, and (3) a technical basis for emergency preparedness and training programs at nonreactor nuclear facilities. The slide rule permits the estimation of neutron and gamma dose rates and integrated doses based upon estimated fission yields, distance from the fission ... continued below

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12 pages

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Broadhead, B. L.; Childs, R. L.; Hopper, C. M. & Parks, C. V. September 20, 1999.

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Description

This paper describes a functional slide rule that provides a readily usable �in-hand� method for estimating nuclear criticality accident information from sliding graphs, thereby permitting (1) the rapid estimation of pertinent criticality accident information without laborious or sophisticated calculations in a nuclear criticality emergency situation, (2) the appraisal of potential fission yields and external personnel radiation exposures for facility safety analyses, and (3) a technical basis for emergency preparedness and training programs at nonreactor nuclear facilities. The slide rule permits the estimation of neutron and gamma dose rates and integrated doses based upon estimated fission yields, distance from the fission source, and time-after criticality accidents for five different critical systems. Another sliding graph permits the estimation of critical solution fission yields based upon fissile material concentration, critical vessel geometry, and solution addition rate. Another graph provides neutron and gamma dose-reduction factors for water, steel, and concrete shields.

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12 pages

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  • 6th International Conference on Nuclear Criticality Safety, Palais des congres, Versailles, France, September 20-24, 1999

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  • Other: DE00007440
  • Report No.: ORNL/CP-103257
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 7440
  • Archival Resource Key: ark:/67531/metadc710439

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • September 20, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 15, 2016, 12:27 p.m.

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Broadhead, B. L.; Childs, R. L.; Hopper, C. M. & Parks, C. V. Slide Rule for Rapid Response Estimation of Radiological Dose from Criticality Accidents, article, September 20, 1999; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc710439/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.