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Lower zero-lift drag

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This commit is contained in:
Ludvig Böklin 2021-04-29 19:22:09 +02:00
parent 6ef3b4ae01
commit c4444a908a
1 changed files with 1 additions and 5 deletions
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6
common/src/comp/fluid_dynamics.rs
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@ -310,11 +310,7 @@ pub fn lift_coefficient(aspect_ratio: f32, planform_area: f32, aoa: f32) -> f32
/// The zero-lift profile drag coefficient is the parasite drag on the wings
/// at the angle of attack which generates no lift
pub fn zero_lift_drag_coefficient(planform_area: f32) -> f32 {
// TODO: verify that it's correct to multiply by planform
// avg value for Harris' hawk (Parabuteo unicinctus) [1]
planform_area * 0.02
}
pub fn zero_lift_drag_coefficient(planform_area: f32) -> f32 { planform_area * 0.004 }
/// The change in lift over change in angle of attack¹. Multiplying by angle
/// of attack gives the lift coefficient (for a finite wing, not aerofoil).