Table 2.

Wing specifications for turbulence model validation reference to Lee et al. [26].

Specifications	Value
$\mathrm{Span-wise} \mathrm{length}, R$	0.18 m
$\mathrm{Chord-wise} \mathrm{length}, c_{mean}=L_{ref}$	0.03 m
$\mathrm{Thickness}, t$	0.0015 m
$\mathrm{Aspect} \mathrm{Ratio}, AR$	6.0
$\mathrm{Angle} \mathrm{of} \mathrm{Attack}, {\theta }_0$	40°
$\mathrm{Flapping} \mathrm{amplitude}, Ø$	~120°
$\mathrm{Flapping} \mathrm{frequency}, f$	5 Hz
$\mathrm{Inlet} \mathrm{velocity}, U_{\infty }$	6 m/s