Flow waterjet eulerian multiphase

Hi guys I ran an Eulerian multipahse simulation of a 2D water jet ejection from a nozzle. My domain is 100 meters deep with a nozzle diameter of 1mm. I need some assistance with interpreting my results. I seem to be getting a bit of turbulence after the 50m mark as seen in the below image. However, I am not sure if it is due to turbulence or is it depicting secondary breakup but from what i understand Eulerian model shouldn't be able to predict secondary breakup. If anyone has experience with this can I get some help? I tried looking for literature but have not come across any which has similar length scales of 100m domain such as mine to compare results to.



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