レーザ誘起熱音響波(LITA)を利用した非接触高速応答温度計測法(流体工学,流体機械)

概要

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Using laser-induced thermal acoustics, we demonstrate to measure non-invasively and remotely the speed of sound and temperature ranging from 278K to 341K in water at atmospheric pressure. The accuracy of measured the speed of sound and temperature is formed to be 3% and 4%, respectively. Single-shot precisions based on three standard deviation of 20 samples were within 4% for the speed of sound and the temperature. The time resolution for each measurement was 300 ns.
2005-01-25