Exactly.godlameroso wrote: ↑Sun Nov 12, 2017 11:11 pmStatic flow as in no interruption, people forget combustion events aren't continuous, the valves close and open and this interrupts flow, this is dynamic.amho wrote: ↑Sun Nov 12, 2017 10:21 pmWhat do u mean by"static flow simulation"? U mean steady state flow...MrPotatoHead wrote: ↑Sun Nov 12, 2017 6:54 pmEvery intake that I design and run through CFD I do both a static flow simulation through all of the runners open and then a dynamic simulation with a true time based simulation of per cylinder intake valve opening time.
It’s amazing the differences in flow that you will see between the two.
You also have to factor in the air entering the plenum via the inlet. It gets incredibly complex.