Phoenix FD 2.2 - Tank Firing

Simulation time: 30 mins, Render time 2h 15 mins, Xeon E5-2670. 10M cells, Units scale = meters, Symmetric Conservation, Q=50, Multi-pass advection, SPF=3.0, Vorticity xV = 0.5, Cooling = 0.2, Smoke dissipation = , Randomize Amount = 0.5, the rest are defaults. Default render settings too, except for External scatter boost = 0.8. The shell object velocity multiplier is 4.0. Gun discharge is 100K for 1 frame, Shell discharge is 30K to 0 in 4 frames. Ground smoke is brushed and has temperature of 270