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Entropy production in TMDSC

J. -L. Garden,J. Richard,Y. Saruyama

Journal of Thermal Analysis and Calorimetry（2008）

Cited 6|Views57
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Abstract
The non-equilibrium process due to irreversible heat exchanges occurring during a temperature modulated differential scanning calorimetry (TMDSC) experiment is investigated in detail. This enables us to define an experimental frequency dependent complex heat capacity from this calorimetric method. The physical meaning of this dynamic heat capacity is discussed. A relationship is clearly established between the imaginary part of this complex quantity and the net entropy created during the experimental time-scale.
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Key words
entropy production,frequency dependent complex heat capacity,non-equilibrium thermodynamics,relaxation time constants,TMDSC
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