Appearance of high submerged cavitating jet: The cavitation phenomenon and sono luminescence

Ezddin Hutli, Omer Alteash, Raghisa Ben, Milos Nedeljkovic, Vojislav Ilic
2013 Thermal Science  
In order to study jet structure and behaviour of cloud cavitation within time and space, visualization of highly submerged cavitating water jet has been done using Stanford Optics 4 Quick 05 equipment, through endoscopes and other lenses with Drello3244 and Strobex Flash Chadwick as flashlight stroboscope. This included obligatory synchronization with several types of techniques and lenses. Images of the flow regime have been taken, allowing calculation of the non-dimensional cavitation cloud
more » ... cavitation cloud length under working conditions. Consequently a certain correlation has been proposed. The influencing parameters, such as; injection pressure, downstream pressure and cavitation number were experimentally proved to be very significant. The recordings of sono-luminescence phenomenon proved the collapsing of bubbles everywhere along the jet trajectory. In addition, the effect of temperature on sono-luminescence recordings was also a point of investigation.
doi:10.2298/tsci120925046h fatcat:ldzq3uekufgnfclukl26yw4st4