drag rise Mach number

drag rise Mach number
число М(аха), соответствующее началу (резкого) возрастания сопротивления; критическое число Маха

Авиасловарь. . 2004.

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Смотреть что такое "drag rise Mach number" в других словарях:

  • critical drag rise Mach number — The free stream Mach number at which because of shock wave, the coefficient of drag for a given angle of attack increases rapidly. This increase in drag value should be at least 0.005. Also called a compressibility drag rise Mach number …   Aviation dictionary

  • 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

  • compressibility drag rise Mach number — That Mach number (beyond critical Mach number) in which the coefficient of drag increases by 0.005. It is the limit of the normal economic operation of the aircraft. Drag coefficient behavior at high showing critical mach number and… …   Aviation dictionary

  • drag divergence Mach number — The Mach number at which there is a sudden rise in wing drag as a result of the formation of shock waves. Buffet may take place and control difficulty may occur at this Mach number …   Aviation dictionary

  • Wave drag — is an aerodynamics term that refers to a sudden and very powerful form of drag that appears on aircraft and blade tips moving at high subsonic and supersonic speeds. Overview Wave drag is caused by the formation of shock waves around the aircraft …   Wikipedia

  • Jet engine performance — This article describes how jet engine performance is estimated during the design phase. Similar techniques are used once the engine has been built and is being tested, except the performance of individual components, rather than being assumed, is …   Wikipedia

  • airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …   Universalium

  • Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …   Wikipedia

  • military aircraft — Introduction       any type of aircraft that has been adapted for military use.       Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …   Universalium

  • Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… …   Wikipedia

  • Area rule — The Whitcomb area rule, also called the transonic area rule, is a design technique used to reduce an aircraft s drag at transonic and supersonic speeds, particularly between Mach 0.75 and 1.2. This is one of the most important operating speed… …   Wikipedia


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