flight Mach number


flight Mach number
число М, число Маха

English-Russian arms dictionary. 2013.

Смотреть что такое "flight Mach number" в других словарях:

  • Mach number — (mathrm{Ma} or M) (generally pronEng|ˈmɑːk, sometimes IPA|/ˈmɑːx/ or IPA|/ˈmæk/) is the speed of an object moving through air, or any fluid substance, divided by the speed of sound as it is in that substance. It is commonly used to represent an… …   Wikipedia

  • mach number — mach. Also, Mach number. [1935 40] * * * ▪ physics       in fluid mechanics, ratio of the velocity of a fluid to the velocity of sound in that fluid, named after Ernst Mach (Mach, Ernst) (1838–1916), an Austrian physicist and philosopher. In the… …   Universalium

  • Critical Mach number — Transonic flow patterns on an aircraft wing showing the effects at critical mach. In aerodynamics, the critical Mach number (Mcr) of an aircraft is the lowest Mach number at which the airflow over any part of the aircraft reaches the speed of… …   Wikipedia

  • Mach 1 —    , MACH NUMBER    When airplanes first started to fly, their speed was measured like that of a moving vehicle on the ground. As air speeds increased, that method became obsolete, and a new method had to be found.    Ernst Mach (1838 1916), an… …   Dictionary of eponyms

  • Mach tuck — is an aerodynamic effect, whereby the nose of an aircraft tends to pitch downwards as the airflow around the wing reaches supersonic speeds. Note that the aircraft is subsonic, and traveling significantly below Mach 1.0, when it experiences this… …   Wikipedia

  • Mach — may refer to:* Mach number, a measure of speed * Gillette Mach3, a manual razor with three blades * Mach bands, an optical illusion * Muscarinic acetylcholine receptor, abbreviated mACh In computers* ATI Mach, a 2D GPU chip by ATI * Mach II, an… …   Wikipedia

  • Flight planning — A Tarom Boeing 737 300 and United Airlines Boeing 777 200 taxiing to depart London Heathrow Airport. Flight planning is the process of producing a flight plan to describe a proposed aircraft flight. It involves two …   Wikipedia

  • Mach — Ernst, Austrian scientist, 1838–1916. See M. band, M. number. * * * machine activity [UMLS]; Mortality Assessment in Congestive Heart Failure [study] * * * Mach mäk n a usu. high speed expressed by a Mach number <an airplane flying at Mach… …   Medical dictionary

  • Mach hold mode — In a flight control system, a control mode in which a desired flying speed of an aircraft expressed as a Mach number is maintained automatically. The system is used in high speed aircraft flying at a high altitude. The signal output from sensors… …   Aviation dictionary

  • Mach technique — A control technique used by ATC (air traffic control) in which turbojet aircraft operating successively along suitable routes are cleared to maintain an appropriate Mach number for a relative portion of the en route phase of the flight. This is… …   Aviation dictionary

  • Mach trim compensator — In a flight control system, an automatic control subsystem that provides the pitch trim of an aircraft as a function of the Mach number. This is to meet the requirement of large changes in trim at or near sonic speed when the compressibility… …   Aviation dictionary


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