Span Efficiency Factor in Flow over Airfoils and Wings Formulas

Span Efficiency Factor represents the change in drag with lift of a three-dimensional wing or airplane, as compared with an ideal wing having the same aspect ratio and an elliptical lift distribution. And is denoted by e_span.

Flow over Airfoils and Wings formulas that make use of Span Efficiency Factor

fxAspect Ratio given Span Efficiency FactorGo

FAQ

What is the Span Efficiency Factor?

Can the Span Efficiency Factor be negative?

{YesorNo}, the Span Efficiency Factor, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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