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Cross-correlation video recording of gas-vapor-droplet two-phase flows

机译:气蒸气液滴两相流量的互相关视频记录

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摘要

The experimental investigations of gas-vapor-droplet two-phase flow formation during single water droplets and their aggregate motion through high-temperature (more than 1000 K) combustion products have been conducted with usage of cross-correlation measuring facility and optical methods of “tracer” visualization (“Particle Image Velocimetry” and “Interferometric Particle Imaging”). Modes of droplet motion in high-temperature gases area have been established. It has been determined the influence of the main droplet (sizes, composition, temperature, dispersability, form, velocity) and gas (temperature and velocity) characteristics on parameters of forming gas-vapor-droplet mixtures. The main elements of advanced firefighting technologies with the usage of time and space apportioned polydisperse composition water droplet flows have been formulated. Physical and predictive mathematical models have been developed to determine the basic parameters of equipment which is necessary for operation with these technology usage.
机译:通过使用互相关测量设施和光学方法,进行了通过高温(超过1000k)燃烧产物的单水滴期间气蒸汽液滴两相流形成的实验研究及其通过高温(超过1000k)燃烧产物。“示踪剂“可视化(”粒子图像速度“和”干涉式粒子成像“)。已经建立了高温气体区域中的液滴运动模式。已经确定了主要液滴(尺寸,组成,温度,分散性,形式,速度)和气体(温度和速度)特性对形成气蒸气液滴混合物的参数的影响。已经制定了利用时间和空间分配的多分散组合物水滴流动的先进消防技术的主要元素。已经开发了物理和预测的数学模型来确定具有这些技术使用所需的设备的基本参数。

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