Numerical study of heat-transfer in two- and quasi-two-dimensional Rayleigh

Numerical study of heat-transfer in two- and quasi-two-dimensional Rayleigh–Bénard convection

Gao Zhen-Yuan, Luo Jia-Hui, Bao Yun^†

(color online) Time-averaged temperature field and corresponding streamlines for 2D (top panel) and quasi-2D case (bottom panel) at Ra = 10⁹ [(a) and (d)], Ra = 10¹⁰ [(b) and (e)], and Ra = 5 × 10¹⁰ [(c) and (f)]. A spatial average along the lateral direction was made for the quasi-2D case.