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Title: Identification and deconvolution in time-varying calorimetric systems by an optimal tracking approach
Authors: Ortin, J.
Torra, V.
Thomas, G.
Alvarez, L. 
De Rivera, M. Rodriguez 
UNESCO Clasification: 2213 Termodinámica
Keywords: Calorimetry
Issue Date: 1986
Publisher: 0040-6031
Journal: Thermochimica Acta 
Abstract: Excess partial molar enthalpies of binary liquid mixtures can be accurately measured at very low concentrations by means of continuous-injection heat conduction calorimetry. This method causes evolution of the thermal properties of the calorimeter as a function of time. In this paper it is shown that identification and deconvolution of the thermal signal are equivalent problems when dealing with time-varying systems. A signal treatment analysis is proposed based upon optimal tracking, and different numerical examples, where the actual calorimeter is replaced by a discrete RC model, are presented.
ISSN: 0040-6031
DOI: 10.1016/0040-6031(86)87020-4
Source: Thermochimica Acta [ISSN 0040-6031], v. 97, p. 203-213
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