STP1541

    Uncertainty in Fire Protection Engineering Design

    Published: Feb 2012


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    Abstract

    The SFPE Engineering Guide to Performance-Based Fire Protection defines “uncertainty” as “the amount by which an observed or calculated value might differ from the true value.” In engineering, there are two types of uncertainly: epistemic and aleatory. Epistemic uncertainty is uncertainty due to lack of (complete) knowledge. Aleatory uncertainty is uncertainty due to random variation. At present, no single, widely accepted methodology exists for dealing with uncertainty in fire protection engineering. This paper reviews the sources of uncertainty that are present in fire protection engineering and methods that are used to address them.

    Keywords:

    uncertainty, fire models, model validation


    Author Information:

    Hurley, Morgan J.
    Society of Fire Protection Engineers, Bethesda, Maryland


    Paper ID: STP154120120006

    Committee/Subcommittee: E05.33

    DOI: 10.1520/STP154120120006


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