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A Methodology for Grouping Source Terms for Consequence Calculations in Probabilistic Risk Assessments

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  • Ronald L. Iman
  • Jon C. Helton
  • Jay D. Johnson

Abstract

The individual plant analyses in the U.S. Nuclear Regulatory Commission's reassessment of the risk from commercial nuclear power plants (NUREG‐1150) consist of four parts: systems analysis, accident‐progression analysis, source‐term analysis, and consequence analysis. Careful definition of the interfaces between these parts is necessary for both information flow and computational efficiency. This paper describes the procedure used to define the interface between the source‐term analysis and the consequence analysis. This interface is accomplished by forming groups of source terms with similar properties and then performing one set of MACCS calculations for each group.

Suggested Citation

  • Ronald L. Iman & Jon C. Helton & Jay D. Johnson, 1990. "A Methodology for Grouping Source Terms for Consequence Calculations in Probabilistic Risk Assessments," Risk Analysis, John Wiley & Sons, vol. 10(4), pages 507-520, December.
    • Handle: RePEc:wly:riskan:v:10:y:1990:i:4:p:507-520
    DOI: 10.1111/j.1539-6924.1990.tb00536.x
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    References listed on IDEAS

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    1. Stanley Kaplan, 1982. "Matrix Theory Formalism for Event Tree Analysis: Application to Nuclear‐Risk Analysis," Risk Analysis, John Wiley & Sons, vol. 2(1), pages 9-18, March.
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    Cited by:

    1. Jon C. Helton, 1994. "Treatment of Uncertainty in Performance Assessments for Complex Systems," Risk Analysis, John Wiley & Sons, vol. 14(4), pages 483-511, August.

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