- lift-over-drag
- аэродинамическое качество
Englsh-Russian aviation and space dictionary. - M.: Military publishing house USSR Ministry of Defence. edited by M. Murashkevich. 1974.
lift-over-drag
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Lift-to-drag ratio — In aerodynamics, the lift to drag ratio, or L/D ratio ( ell over dee in the US, ell dee in the UK), is the amount of lift generated by a wing or vehicle, divided by the drag it creates by moving through the air. A higher or more favorable L/D… … Wikipedia
Lift (force) — For other uses, see Lift. Boeing 747 8F landing A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the … Wikipedia
Drag (physics) — Shape and flow Form drag Skin friction 0% 100% 10% 90% … Wikipedia
Drag coefficient — In fluid dynamics, the drag coefficient (commonly denoted as: cd, cx or cw) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment such as air or water. It is used in the drag equation,… … Wikipedia
Drag equation — In fluid dynamics, the drag equation is a practical formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid. The equation is attributed to Lord Rayleigh, who originally used L2 in place … Wikipedia
Lift coefficient — The lift coefficient ( or ) is a dimensionless coefficient that relates the lift generated by a lifting body, the dynamic pressure of the fluid flow around the body, and a reference area associated with the body. A lifting body is a foil or a… … Wikipedia
lift — liftable, adj. lifter, n. /lift/, v.t. 1. to move or bring (something) upward from the ground or other support to a higher position; hoist. 2. to raise or direct upward: He lifted his arm in a gesture of farewell; to lift one s head. 3. to remove … Universalium
drag — drag1 W3S3 [dræg] v past tense and past participle dragged present participle dragging ▬▬▬▬▬▬▬ 1¦(pull something)¦ 2¦(pull somebody)¦ 3 drag yourself to/into/out of etc something 4¦(persuade somebody to come)¦ 5¦(computer)¦ 6¦(be boring)¦… … Dictionary of contemporary English
drag — [[t]dræ̱g[/t]] ♦♦♦ drags, dragging, dragged 1) VERB If you drag something, you pull it along the ground, often with difficulty. [V n prep/adv] He got up and dragged his chair towards the table. 2) VERB If someone drags you somewhere, they pull… … English dictionary
Aerodynamic drag — Note This article is currently under renovation, and may, at times, appear disjoint. Please see the [http://en.wikipedia.org/wiki/Talk:Aerodynamic drag Discussion Page] . Introduction Aerodynamic drag refers to the retarding force on moving… … Wikipedia
Compression lift — The XB 70 had folding wingtips to enhance both compression lift and directional stability at high speeds. In aerodynamics, compression lift refers to an aircraft that uses shock waves generated by its own supersonic flight to generate lift … Wikipedia
