- pressure drag
- сопротивление давления
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
pressure drag
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pressure drag — /ˈprɛʃə dræg/ (say preshuh drag) noun that part of the drag due to the resolved component of the pressure normal to the surface of a moving body …
boundary-layer normal-pressure drag — A drag resulting from the shape of the body. Streamlining the exposed parts can reduce boundary layer drag. See also form drag … Aviation dictionary
Drag (physics) — Shape and flow Form drag Skin friction 0% 100% 10% 90% … Wikipedia
Drag-resistant aerospike — Trident I first launch on 18 January 1977 at Cape Canaveral. The thin antenna like structure mounted on the nose cone is the aerospike, which is composed of 2 parts. 1) The Extensible Boom is the long, slender, slightly tapered cylindrical… … Wikipedia
pressure — [n1] physical force, weight burden, compressing, compression, crushing, encumbrance, heaviness, load, mass, shear, squeeze, squeezing, strain, strength, stress, tension, thrust; concepts 641,734 pressure [n2] demand, difficulty adversity,… … New thesaurus
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 reducing agent — A drag reducing agent, also called a flow improver, is a long chain polymer chemical that is used in crude oil, refined products or non potable water pipelines. It is injected in small amounts (parts per million) and is used to reduce the… … Wikipedia
drag — i. That component of aerodynamic forces acting on the wing or the airfoil section, which is parallel and opposite to the relative airflow. The sources of drag are the pressure distribution patterns over the airfoil, called induced drag; the skin… … Aviation dictionary
drag — I. noun Etymology: Middle English dragge, probably from Middle Low German draggen grapnel; akin to Old English dragan to draw more at draw Date: 14th century 1. something used to drag with; especially a device for dragging under water to detect… … New Collegiate Dictionary
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
Drag divergence Mach number — The drag divergence Mach number (not to be confused with critical Mach number) is the Mach number at which the aerodynamic drag on an airfoil or airframe begins to increase rapidly as the Mach number continues to increase[1]. This increase can… … Wikipedia
