RCAIDE.Library.Methods.Aerodynamics.AERODAS.pre_stall_coefficients

pre_stall_coefficients#

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

Uses the AERODAS method to determine prestall 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: state.conditions.aerodynamics.angle_of_attack settings.section_zero_lift_angle_of_attack geometry.

section.

angle_attack_max_prestall_lift zero_lift_drag_coefficient

pre_stall_maximum_drag_coefficient_angle pre_stall_maximum_lift_coefficient pre_stall_lift_curve_slope pre_stall_maximum_lift_drag_coefficient

Outputs: CL1 (coefficient of lift) [Unitless] CD1 (coefficient of drag) [Unitless] (packed in state.conditions.aerodynamics.pre_stall_coefficients[geometry.tag])

Properties Used: N/A