Fluid That Warms Up While Standing Still — Natural Convection and Rayleigh 1708
·6 min read
A 0.30 m wall at 60 C in 20 C air prints Ra 7.03e7, Nu 54.9, and a heat flux of 197.6 W/m^2, still on the laminar side of 1e9.
[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.