Start smoke without plume

Working on a soldering animation, and want to get the smoke to start to gradually appear. I have the temp/density amounts keyframed from 0-1 over some time , but still getting that initial mushroom/burst at the beginning.

Any ways to eliminate that?

Try stirring up the “air” with some particles that only have emitter force, a very low amount, this may lightly mix up the velocity in the container that the plume moves into. Also try starting with some turbulence and then immediately bring that down. Try emitting using noise so the initial plume is not so smooth.
My Tutorials

Thanks…I thought I had noise on the emission, but must have turned it off.

That does help, but a little velocity dampening seems to work a little better.

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You can also try increasing the sub steps in the solver settings