Figure 7. Nusselt number variation with annulus radius ratio for different Rayleigh number at X=0.5 and δ=60

From

Numerical Simulation of Natural Convection in a Vertical Conical Cylinder Partially Annular Space

Belkacem OULD SAID, Noureddine RETIEL, El Hadi BOUGUERRA

American Journal of Energy Research. 2014, 2(2), 24-29 doi:10.12691/ajer-2-2-1