Thermal waves emitted by moving sources and the Doppler effect
2021
Abstract This paper theoretically studies the Doppler effect for thermal waves, finding an expression of the frequency shift for the two cases of moving source, and moving observer. Differences and analogies with the Doppler effect for electromagnetic and acoustic waves are highlighted. Thermal shock waves are introduced and simulated numerically. An application for nondestructive evaluation and testing of materials is also discussed.
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