Uncertainty analysis of steady-state measurements with a hot-filament type calorimetric emissometer

•Formulae for uncertainty propagation developed for a hot-filament calorimetric emissometer.•Data on Hastelloy X, A387 Gr. 91, A508/A533B, and SS 347 were analyzed.•Relative uncertainties of less than 2.5% for emissivities from 0.16 to 0.81.•Electric current and specimen temperature were main source...

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Veröffentlicht in:	International journal of heat and mass transfer 2020-06, Vol.153 (C), p.119607, Article 119607
Hauptverfasser:	Walton, Kyle L., Al Zubaidi, Faten N., García-Delgado, Gabriela M., Tompson, Robert V., Loyalka, Sudarshan K., Ghosh, Tushar K.
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTM C835-06 Calorimetric Emissometer Correlated Measurements Direct current Emissivity Fluxgate magnetometers Hall effect Hastelloy (trademark) Heat measurement Low alloy steels Low temperature Rounding Surface area Taylor series Temperature Thermal expansion Total Hemispherical Emissivity Uncertainty Analysis
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