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    STP879

    Summary of Error Analysis for the National Bureau of Standards 1016-mm Guarded Hot Plate and Considerations Regarding Systematic Error for the Heat Flow Meter Apparatus

    Published: 01 January 1985


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    Abstract

    A summary is given of the error analysis of the National Bureau of Standards (NBS) 1016-mm guarded hot plate (GHP) apparatus, with emphasis given to new ideas or techniques. The report discusses the following items: a brief introduction to the principle of measurement, a rationale for the method of summing of uncertainties, a list of individual uncertainties, a description of the innovative plate temperature control method, and a derivation of the error due to systematic uncertainty for the heat flow meter apparatus.

    Keywords:

    apparent thermal conductivity, error analysis, guarded hot plate, heat flow meter, thermal insulation, thermal resistance


    Author Information:

    Rennex, B
    Physicist, National Bureau of Standards, Washington, DC


    Committee/Subcommittee: C16.30

    DOI: 10.1520/STP32900S