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Analysis of a Slug Calorimeter with a Curie Point

Published

Author(s)

Jiann C. Yang, Thomas J. Ohlemiller

Abstract

A lump-capacitance heat transfer model was developed to model the operation of a slug calorimeter constructed of metal with a Curie point. The resulting formula has been successfully used to infer total heat flux to a metal structural member in a fire by temporally monitoring the internal temperature rise during the heat-up phase of the metal member (slug) with embedded thermocouples. The formula derived is applicable to slug calorimeters made from metals with or without a Curie point.
Citation
Technical Note (NIST TN) - 2090
Report Number
2090

Keywords

Fire, heat capacity, heat flux, heat transfer model
Created April 3, 2020, Updated June 3, 2020