House & Home Physics
Chimney Draft (Stack Effect)
ΔP = C·h·(1/T_out − 1/T_in)
A fireplace pulls its own air: warm flue gas is lighter than cold outside air, so a taller chimney on a colder day generates more upward draft.
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).