Chaos That Begins at the Bottom of a Pot — Rayleigh–Bénard Convection and the Lorenz Equations
·5 min read
Rolls switch on at Rayleigh number 1708 with rigid walls. In the Lorenz truncation that heating, written as rho, stops settling once rho passes 24.74.
[Paper Review] When 30 K Breaks Boussinesq — Demou (2018) NOB Natural Convection and the Pressure Split
·5 min read
For water at ΔT=30 K the printed split correction max |1-rho0/rho| is 0.0117, while the pressure Poisson stays constant-coefficient.