My first explosion made in FumeFX.
I've achieved this result after 3-4 tests, during yesterday night. Isn't perfect, but I hope you like it! ;)
I've used the Wavelet Turbolence to obtain more details.

Simulation Default\Wavelet: 1 hour (FumeFX)
Rendering: 1 hour (Scanline)
Compositing: Nuke

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