Magnetic field effect on heat and mass transfer of mixed convection of shear-thinning fluids in a lid-driven enclosure with non-uniform boundary conditions

摘要: Abstract In this paper, the effect of a magnetic field on mixed convection shear-thinning fluids in square lid-driven cavity with sinusoidal boundary conditions under combined buoyancy effects thermal and mass diffusion has been analyzed by finite difference lattice Boltzmann method (FDLBM). This study conducted for certain pertinent parameters Richardson number (Ri = 0.00062–1), Hartmann (Ha = 0–100), Lewis (Le = 5 50), power-law index (n = 0.2–1) as ratio is studied from N = −10 to 10. Results indicate that augmentation causes heat transfer drop. The enhancement declines multifarious ratios indexes steadily at Ri = 0.00062 0.01. fall power law 0.01 various numbers ratios. increase influence differently Ri = 1 numbers. growth enhances