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15 mins
Turbulent entrainment in jets and plumes
Maarten van Reeuwijk, John Craske
Session: Jets and Wakes 2
Session starts: Tuesday 25 August, 15:00
Presentation starts: 16:15
Room: Room E

Maarten van Reeuwijk (Imperial College London)
John Craske (Imperial College London)

We perform direct simulation of a statistically steady jets and plume and present the value of the entrainment coefficient decomposed into 1) turbulence production; 2) buoyancy effects; and 3) deviations from self-similarity. We explain theoretically how the two cases are linked and present a generalisation valid for forced and lazy plumes.