Entropy Generation Analysis in a Variable Viscosity MHD Channel Flow with Permeable Walls and Convective Heating

Table 1

Comparison between the exact and numerical solution of velocity profile for 𝐺=1, Re=1, Ha=1, and 𝜀=0.

𝜂	Exact solution 𝑤(𝜂)	Numerical solution 𝑤(𝜂)
0	0	0
0.1	0.035822	0.035822
0.2	0.065264	0.065264
0.3	0.087963	0.087963
0.4	0.103449	0.103449
0.5	0.111127	0.111279
0.6	0.110257	0.110257
0.7	0.099930	0.099930
0.8	0.079042	0.079042
0.9	0.046264	0.046264
1.0	0	0