Thermal dispersion in AC calorimetry of needle-shaped specimens (CROSBI ID 135774)
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Ivanda, Mile ; Đurek, Daniel
engleski
Thermal dispersion in AC calorimetry of needle-shaped specimens
The propagation of thermal waves in thin needle-shaped samples is described. The waves are generatedby Joule power oscillation at one end of the sample. The amplitude and phase of the temperature oscillation are dependent upon thermal diffusivity. At low frequences no phase shift appeared and only thermal conductivity was involved in the measurement. Specific heat was evaluated on the basis of thermal diffusivity and thermal conductivity.
Thermal dispersion; AC calorimetry; thermal wave; specific heat
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