Research Article

MHD Natural Convection and Sensitivity Analysis of Ethylene Glycol Cu-Al2O3 Hybrid Nanofluids in a Chamber with Multiple Heaters: A Numerical Study of Lattice Boltzmann Method

Table 3

Grid independence test for the different and Hartmann number while , , and in terms of the average Nusselt number ().

Lattice size

 Grid 1: 4.3423 (0.98%)3.5212 (1.87%)1.8921 (3.37%)
 Grid 2: 4.3001 (0.00%)3.4566 (0.00%)1.8305 (0.00%)
 Grid 3: 4.2217 (1.82%)3.4123 (1.28%)1.8017 (1.57%)
 Grid 1: 9.0412 (8.49%)6.9632 (7.96%)4.7051 (2.31%)
 Grid 2: 8.3333 (0.00%)6.4496 (0.00%)4.5987 (0.00%)
 Grid 3: 8.1292 (2.45%)6.3741 (1.17%)4.5132 (1.86%)