Table 2 Parameters of specimens.
Series | Rib shape | Number | Height/mm (HR) | Space/mm (SR) | Width/mm (WR) | Relative rib area (Rr) |
|---|---|---|---|---|---|---|
I | Round | B-r-0.84-9-1.5 | 0.84 | 9 | 1.5 | 0.093 |
B-r-0.84-9-2.5 | 0.84 | 9 | 2.5 | |||
B-r-0.84-9-4 | 0.84 | 9 | 4 | |||
B-r-0.84-12-1.5 | 0.84 | 12 | 1.5 | 0.070 | ||
B-r-0.84-12-2.5 | 0.84 | 12 | 2.5 | |||
B-r-0.84-12-4 | 0.84 | 12 | 4 | |||
B-r-0.84-18-2.5 | 0.84 | 18 | 2.5 | 0.047 | ||
B-r-0.84-18-4 | 0.84 | 18 | 4 | |||
B-r-1.08-9-1.5 | 1.08 | 9 | 1.5 | 0.120 | ||
B-r-1.08-9-2.5 | 1.08 | 9 | 2.5 | |||
B-r-1.08-9-4 | 1.08 | 9 | 4 | |||
B-r-1.08-12-1.5 | 1.08 | 12 | 1.5 | 0.090 | ||
B-r-1.08-12-2.5 | 1.08 | 12 | 2.5 | |||
B-r-1.08-12-4 | 1.08 | 12 | 4 | |||
B-r-1.08-18-2.5 | 1.08 | 18 | 2.5 | 0.060 | ||
B-r-1.08-18-4 | 1.08 | 18 | 4 | |||
II | Rectangular | B-rec-0.84-12-4 | 0.84 | 12 | 4 | |
III | Crossing winding | B-cw-0.84-12-4 | 0.84 | 12 | 4 | |
IV | Spiral winding | B-sw-0.84-12-4 | 0.84 | 12 | 4 | |
V | Crescent | S | – | – | – |