Real time moving smoke generation

Now I’m trying to develop a real time 3d animated Launch vehicle.So I want to generate real time moving smoke.Please help me.
If any body have code,please send.
Is there any other graphics packages which permit real time moving smoke.
Jishy.

What u need here is a particle engine… there is one nice tutorial about particles on http://nehe.gamedev.net/ just modify the code…