L/D

Cl

Cd

Ymax

Upstream cylinder

Downstream cylinder

Upstream cylinder

Downstream cylinder

Upstream cylinder

Downstream cylinder

1.5

±0.1313

±0.3912

1.18

−0.0799

0

0

3.0

0

0

1.1246

−0.0507

0

0

4.5

0

0

1.0922

0.2010

0

0

6.0

±1.601

±1.8959

1.4128 ± 0.2306

0.7045 ± 0.5698

0.3743

0.3011

10.0

±1.4822

±1.9944

1.4245 ± 0.2371

0.8791 ± 0.5430

0.3405

0.4071