Table 5: The variable combinations considered in the optimization process.

Increment step 1 2 3 4 5 6 7 8 9 10 11
Blade root chord (Lr, mm) 24.5 24.6 24.7 24.8 24.9 25 25.1 25.2 25.3 25.4 25.5
Blade end chord (Le, mm) 39 39.2 39.4 39.6 39.8 40 40.2 40.4 40.6 40.8 41
Setting angle (θ°) 22 23 24 25 26 27 28 29 30 31 32