Engineering Research Equipment: Rotating Drum Camera and Particle Field Holographic System

摘要：为支持多相流研究，拟采购CTS-9622235高速旋转鼓式摄像机及其组成部件，构建粒子场全息系统。该设备将用于在两个独立的研究项目中生成分析数据：粘弹性和牛顿液体在6马赫激波管中的高速破裂，以及湍流颗粒负载流的动态行为。破裂项目的目标是生成第一个系统数据，并首次了解粘弹性液体在暴露于超音速流动时如何破裂。鼓式摄像机将提供控制破碎事件机制的数据，这基本上在500秒内完成。粒子场全息系统将提供初始破碎后碎片大小、形状和分布的三维数据。粒子承载流项目的目标是了解承载粒子或纤维的湍流的动力学行为。鼓式摄像机将提供高分辨率、高重复率的流事件序列。全息系统将产生关于纤维取向和絮凝的三维信息。＊＊＊

ABSTRACT CTS-9622235 A high-speed rotating drum camera and the components to build a particle field holography system which will be purchased to supporting research in multiphase flows. The equipment will be used to generate a analyze data in two independent research programs: the high-speed breakup of viscoelastic and Newtonian liquids in a mach 6 shock tube, and the dynamic behavior of turbulent particle-laden flows. The objective of the breakup project is to generate the first systematic data and the first understanding of how viscoelastic liquids breakup when exposed to supersonic flows. The drum camera will provide data on the mechanisms governing the breakup event, which is essentially complete in less than 500 ( sec. The particle field holography system will provide three-dimensional data on the size, shape, and distribution of the fragments after initial breakup. The objective of the particle-laden flow project is to understand the dynamical behavior of turbulent flows that are laden with particles or fibers. The drum camera will provide high resolution, high repetition rate sequences of flow events. The holography system will yield three-dimensional information on fiber orientation and flocculation. ***