The purpose of this work is to describe the two-phase flow structure of cloud cavitation. The experimental study is performed in a cavitation tunnel equipped with a Venturi-type test section. The flow is investigated by means of a double optical probe and a X-ray attenuation device. 24 collimated detectors enable to measure the instantaneous space fraction of the vapour phase at different locations of the two-phase flow. The technique used to treat the data from the optical probe signal consists in building histograms, and computing statistical values from them. X-ray intensity measurement mode enable fast data acquisitions (1000Hz). The studied geometry is characterized by a convergent angle of 18° and a divergent angle of 8°. It leads to regular large vapour cloud shedding.
Measurements Within Cloud Cavitation by Means of X-Ray Attenuation Device
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Stutz, B, Legoupil, S, & Woo, R. "Measurements Within Cloud Cavitation by Means of X-Ray Attenuation Device." Proceedings of the ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. Volume 1: Fora, Parts A and B. Montreal, Quebec, Canada. July 14–18, 2002. pp. 343-348. ASME. https://doi.org/10.1115/FEDSM2002-31002
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