【摘要】 本文简单说明了双光迹高速摄影闪光仪的组成、工作原理及其操作要点;着重介绍了高速闪光摄影技术在空变喷嘴流场测试中的应用。拍摄实例表明,双光迹高速闪光摄影能直观地显示丝束在喷嘴内的瞬时运动状态和流场状态的变化规律,有助于揭示变形丝的变形机理。更多还原

【Abstract】 In this paper, the structure, working principles and operating method of high-speed photograph flash instrument have been described briefly. On the emphasis, the application of high-speed flash photography in measuring the flow field in air texturing nozzle has been introduced. The photos can show the changing regulations of the dynamic and flow field situation of the yarn in the nozzle.更多还原