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对力学研究中的高速旋转体或流体所出现的胁变、位移、旋涡等进行实时动态观察、测量、记录是有关学者的普遍要求。这一时实技术不仅在我国尚待发展,即在国外亦还处于进展阶段。瑞士Elomag激光仪器公司为此目的而研制的“驻象仪”迄今仍居世界首位。我国浙江大学高速摄影实验室近年亦在进行此项仪器的研制。现就该仪器的原理、设计要求及应用方法作一扼要阐述,以期引起我国光学工业界的注意,为国内力学研究提供新一代的设备。
The dynamic observation, measurement and recording of the threat, displacement and vortex of high-speed rotating body or fluid in mechanics research are the common requirements of scholars. This real technology not only remains to be developed in our country, but also at a stage of progress abroad. The “imager” developed by Elomag Laser AG of Switzerland for this purpose is by far the highest in the world. China’s Zhejiang University high-speed photographic laboratory in recent years are also developing this instrument. Now on the principle of the instrument, design requirements and application methods for a brief exposition, with a view to China’s optical industry to pay attention to the domestic mechanics to provide a new generation of equipment.