Computational Fluid Dynamics for Cavity Natural Heat Convection: Numerical Analysis and Optimization in Greenhouse Application

Table 1

CFD grid test of different cells number (Ra = 10⁶, θ = 45°).

Cell numbers	Nu	|Ψ|max	ΔNu	Δ|Ψ|max
1,610	7.213	63.120	6.86%	4.50%
4,320	7.708	65.953	1.26%	0.05%
14,610	7.805	66.437	0.00%	0.01%
19,825	7.806	66.912	—	—