Vector and Scalar quantities are mathematical formulations that assist us in modelling the physical quantities of the world around us.
Angle of attack refers to the angle between a reference line on a body and the vector representing the relative motion between the body and the fluid through which it is moving.
The fundamental definitions typically associated with airfoil nomenclature are described in this post.
The reference wing area is defined as the plan area of an aircraft's wing.
Aspect ratio is a measure of the ratio between the span of the wing to its chord.
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