Open Access

Table 1

Classification chart for AFC techniques [7].

  Devices Geometric (G)/Fluidic (F)/Plasma (P) Leading Edge (LE)/Trailing Edge (TE)/Mid-Chord (MC) Inc. Lift (I)/Dec. Lift (D)/Delay Stall (DS) Steady (S)/Unsteady (U)
1 Traditional trailing-edge flaps G TE I/D S/U
2 Nontraditional trailing-edge flaps G TE I/D S/U
3 Microtabs G TE I/D S/U
4 Miniature trailing-edge effectors G TE I/D S/U
5 Microflaps G TE I/D S/U
6 Active stall strips G LE D S
7 Vortex generators G LE DS S
8 Blowing and suction F LE/TE DS S/U
9 Circulation control F TE I/D S
10 Plasma actuators P LE DS S
11 Vortex generator jets F LE DS S/U
12 High-frequency micro vortex generators G LE DS U
13 Synthetic jets G/F LE DS U
14 Active flexible wall G LE DS U
15 Shape change airfoil G MC I S/U

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