Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48059
Title: Calibration of isothermal heat conduction calorimeters: Case of flow calorimeters
Authors: Socorro, F. 
De La Nuez, I. 
Rodríguez de Rivera, M. 
UNESCO Clasification: 2213 Termodinámica
220408 Líquidos
Keywords: Thermal measurement
Conduction calorimeter
Flow microcalorimeter
Liquid mixtures
Modelling, et al
Issue Date: 2003
Publisher: 0263-2241
Journal: Measurement: Journal of the International Measurement Confederation 
Abstract: In this article, the calibration of an isothermal heat conduction calorimeter used to measure the energy produced when mixing two liquids is carried out. A small amount of parameters that represents adequately the performance of the instrument has been obtained. In this sense, it has been proposed a simple model that offers a Transfer Function with two poles. The heat capacity of the injected liquids per time unit will be used as a parameter defining the validity limits of the calibration. It is shown a procedure for calibrating which consists in realizing some electrical and chemical calibrations with different pure liquids, different injection flows and mixtures with different behaviours, in order to determine the parameters of the model. This calibration is valid for the studied instrument and the used procedure is applicable to other similar thermal measuring instruments. With the calibration carried out, the studied calorimeter provides thermal measures with an uncertainty of 3%.
URI: http://hdl.handle.net/10553/48059
ISSN: 0263-2241
DOI: 10.1016/S0263-2241(02)00066-0
Source: Measurement: Journal of the International Measurement Confederation[ ISSN 0263-2241], v. 33, p. 241-250
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