Thermogenesis: experimental approach to a reduced transference function

E. Cesari, J. Ortin, V. Torra, J. Viñals, J. L. Macqueron, J. P. Dubes, H. Tachoire

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The dynamic treatment of conduction microcalorimeters must be accomplished through their transference function (TF). A systematic analysis of experimental TFs belonging to calorimeters whose dynamic characteristics are quite different (the first time constants ratio is roughly 16) shows: in order to verify the relative dynamic characteristics it is convenient to use a reduced representation of modulus (dB) and phase (rad) against a reduced scale ντ 1. Such a representation between 0 and 30 dB does not depend on the laboratory cell and the kind of detector: in this representation, TFs associated with materials of high conductivity coincide within the range 0 < ντ1 < 4. For materials of low conductivity, the TFs group in the range 0 < ντ1 < 1. It seems feasible, then, to use a reduced TF irrespective of the type of calorimeter.

Original languageEnglish (US)
Pages (from-to)269-274
Number of pages6
JournalThermochimica Acta
Issue number2
StatePublished - 1980
Externally publishedYes


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