lift-drag ratio

lift-drag ratio

[′lift ′drag ‚rā·shō]
(aerospace engineering)
The lift of an aerodynamic form, such as an airplane wing, divided by the drag.
References in periodicals archive ?
After evaluating a range of winglet designs, Whitcomb published his findings in 1976, predicting that winglets employed on transport-size aircraft could diminish induced drag by approximately 20 percent and improve the overall aircraft lift-drag ratio by 6 to 9 percent.
The flapping wings improved the lift-drag ratio, helping DASH+Wings land on its feet instead of just plummeting uncontrolled.
6 shows the situation of lift-drag ratio of two airfoils under different Reynolds numbers.