Sending the smoke down 1 m cost 7 Pa of draft — Franklin's stove and the buoyancy budget
·7 min read
The chimney top never moves, yet one descending leg breaks the draft. We write out the buoyancy ledger, then find the fire temperature at which smoke spills into the room.
Chaos That Begins at the Bottom of a Pot — Rayleigh–Bénard Convection and the Lorenz Equations
·5 min read
The moment buoyancy beats viscosity, and how convection rolls become chaos
Fluid That Warms Up While Standing Still — Natural Convection and Rayleigh 1708
·5 min read
The threshold where buoyancy beats viscosity, and the Nusselt correlations
[Paper Review] When 30 K Breaks Boussinesq — Demou (2018) NOB Natural Convection and the Pressure Split
·5 min read
Keeping a constant-coefficient Poisson at large ΔT without giving up variable properties