Fig. 3

Schematic diagram of the asymmetric blades (For instance, T15B20 represents a configuration where the distance from the upper edge of the blade to the disk is 15 mm, and the distance from the lower edge of the blade to the disk is 20 mm).

Schematic diagram of the asymmetric blades (For instance, T15B20 represents a configuration where the distance from the upper edge of the blade to the disk is 15 mm, and the distance from the lower edge of the blade to the disk is 20 mm).