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Experiments and modeling of cavitating flows in venturi: attached sheet cavitation

机译:文丘里管中空化流的实验和建模:附板空化

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Correlated experimental and numerical studies were carried out to analyze cavitating flows and to describe the two-phase flow structures of attached sheet cavitation in Venturi geometries. New double optical probe measurements were performed and special data processing methods were developed to estimate void ratio and velocity fields for cold water flows. By applying a computational method previously developed in LEGI (Laboratoire des Ecoulements Geophysiques et Industriels, Grenoble, France) based on the code Fine/Turbo and on a barotropic approach, several steady calculations were performed in cold water cavitating flows. Local and global analyzes based on comparisons between experimental and numerical results were proposed.
机译:进行了相关的实验和数值研究,以分析空化流,并描述了文丘里几何形状中附着的片状空化的两相流结构。进行了新的双光学探针测量,并开发了特殊的数据处理方法来估计冷水流的空隙率和速度场。通过使用以前在LEGI(法国格勒诺布尔的生态地球物理实验室和工业实验室)中开发的计算方法,基于代码Fine / Turbo和正压方法,对冷水空化流进行了多次稳定计算。提出了基于实验和数值结果比较的局部和全局分析。

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