Abstract
The direct measurement of gross calorific value (GCV) of gas with the lowest possible uncertainty can be performed with a reference gas calorimeter. LNE is currently developing an isoperibolic reference gas calorimeter. An exhaustive description of this calorimeter (set up and raw data analysis) for natural gas calorific value measurements is here described. A repeatability study of GCV of methane performed with a prototype version and first tests to reduce the unburned methane dragged with the burned gases are also presented. Calculation method of GCV is detailed and the improvements carried out on the different parts of the calorimeter (burner, vessels, sensors, etc …) are highlighted.
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Haloua, F., Hay, B. & Filtz, J.R. New French reference calorimeter for gas calorific value measurements. J Therm Anal Calorim 97, 673–678 (2009). https://doi.org/10.1007/s10973-008-9701-z
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DOI: https://doi.org/10.1007/s10973-008-9701-z