Non-Intrusive and Quick Response Thermometry Using Laser-Induced Thermal Acoustics (LITA)

Journal of Fluid Science and Technology

Toshiharu MIZUKAKI¹ 

[1] Department of Aeronautics and Astronautics, School of Engineering, Tokai University;

关键词: laser-aided diagnostics;    laser-induced thermal acoustics;    non-intrusive measurement;    the speed of sound;    thermometry;   

DOI  :  10.1299/jfst.2.282

来源: DOAJ

【 摘 要 】

By using laser-induced thermal acoustics, we demonstrate a non-invasive and remote method to measure the speed of sound and temperature ranging from 278 K to 341 K in distilled water at atmospheric pressure. The accuracies of the measured speed of sound and temperature were found to be 3% and 4%, respectively. Single-shot precisions based on three standard deviations of 20 samples were within 4% for the speed of sound and the temperature. The time resolution for each measurement was 300 ns.

【 授权许可】

Unknown