粒子图像测速技术在拖曳水池应用中存在的若干问题

Critical Issues in the Application of PIV in Towing Tank

粒子图像测速(Particle Image Velocimetry,PIV)在舰船精细流场测量方面具有巨大优势。PIV技术在水动力学研究设施中的应用已有近二十年的历史,国内外PIV的应用实例说明这项技术已经发展到了较为成熟的阶段,但它在拖曳水池中的应用仍然存在较多的挑战。论文对PIV在拖曳水池应用的相关环节展开讨论,除了考虑适用于拖曳水池的PIV的布置和形式,还针对SPIV在拖曳水池实际应用时面临的模型准备、安装、标定、粒子播撒、系统主要组件参数等诸多方面的挑战进行了总结。

Particle image velocimetry（PIV） has proven to be a world-wide promising flow measuring technique in large hydrodynamic facilities after 20 years of development. There are great advantages for PIV in measurement of ship＇s detailed flow, but it has to face challenges when coming to the application in towing tanks, such as camera, laser, seeding, calibration of PIV, and test preparations.