RCAIDE.Library.Methods.Aerodynamics.AERODAS.post_stall_coefficients

post_stall_coefficients#

post_stall_coefficients(state, settings, geometry)[source]#

Uses the AERODAS method to determine poststall parameters for lift and drag for a single wing

Assumptions: None

Source: NASA TR: “Models of Lift and Drag Coefficients of Stalled and Unstalled Airfoils in

Wind Turbines and Wind Tunnels” by D. A. Spera

Inputs: settings.section_zero_lift_angle_of_attack [radians] geometry.

aspect_ratio [Unitless] thickness_to_chord [Unitless] section.angle_attack_max_prestall_lift [radians] pre_stall_maximum_lift_drag_coefficient [Unitless] pre_stall_maximum_drag_coefficient_angle [Unitless]

state.conditions.aerodynamics.angle_of_attack [radians]

Outputs: CL2 (coefficient of lift) [Unitless] CD2 (coefficient of drag) [Unitless] (packed in state.conditions.aerodynamics.post_stall_coefficients[geometry.tag])

Properties Used: N/A