Table 1: Previous studies undertaken to investigate the VAWT wake flow field.

Authors

Research method

VAWT type

σ

D [m]

λ

Wake region studied

Bergeles, et al.

[26]

Experiment

Darrieus

0.159

1.68

4 - 7

x/D = [0,1]

Peng and Lam [28]

Experiment

H-rotor

1.5

0.30

4.5

x /D = [1,10]

Brochier, et al.

[25]

Experiment

H-rotor

0.33

0.240

1 - 8

x /D = [-1,6]

Simao Ferreira [29]

Experiment

H-rotor

0.427

0.75

3.11

x /D = [-1,1]

Tescione, et al.

[27]

PIV

H-rotor

0.24

1.0

4.5

x /D = [0,3]

Lan and Peng [12]

2D & 3D URANS

H-rotor

0.251

1.0

4.5

x /D = [1,10]

Balduzzi, et al.

[16]

3D URANS

H-rotor

0.50

1.03

3.3

x /D = [0,1.5]