Fluids & Combustion (real CFD)
Combustion Ignition (Arrhenius)
k(T) = A·e^(−Eₐ/RT)

The heat-release rate follows real Arrhenius kinetics as temperature climbs — ignition starts slow, then runs away, and the flame grows accordingly.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).