1990•NASA Tech BriefsRequires access
Improved Analysis Of Heat-Pulse Data
Cronin B. Vining, A. Zoltan, Jan W. Vandersande
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Abstract
Equations derived to improve analysis of experimental data in flash method for measurement of thermal diffusivity and heat capacity. In flash method, pulse of radiant energy from flashlamp or other source deposited on front face of small, thin specimen, and temperature of rear face monitored as function of time. New equations account for both losses and exponentially decaying pulses.