- true Mach number
- Авиация: истинное число М
Универсальный англо-русский словарь. Академик.ру. 2011.
true Mach number
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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
True airspeed — (TAS) is the speed of an aircraft relative to the airmass in which it flies, i.e. the magnitude of the vector difference of the velocity of the aircraft and the velocity of the air. Under zero wind conditions and in horizontal flight, this is… … Wikipedia
Mach, Ernst — (1838–1916) A physicist and philosopher, Mach had a profound influence on Austrian science and culture generally. His teaching career at the University of Vienna was relatively brief, beginning in 1895 but severely curtailed by a serious… … Historical dictionary of Austria
Mach-Zahl — Die Mach Zahl (Formelzeichen: Ma) ist eine physikalische und dimensionslose Kennzahl der Geschwindigkeit. Sie ist nach dem Physiker und Philosophen Ernst Mach benannt und gibt das Verhältnis von Trägheitskräften zu Kompressionskräften an und… … Deutsch Wikipedia
true air speed — The actual speed of an aircraft relative to the air through which it flies (i.e., the calibrated air speed corrected for temperature, density, and compressibility). If the compressibility effects are ignored, then the IAS equals the product of… … Aviation dictionary
Mach (kernel) — Mach is an operating system microkernel developed at Carnegie Mellon University to support operating system research, primarily distributed and parallel computation. It is one of the earliest examples of a microkernel, and still the standard by… … Wikipedia
Mach Rider — Infobox VG title = Mach Rider caption = Front cover of the North American Mach Rider NES package. developer = Nintendo R D1 publisher = Nintendo designer = engine = released = NA October 18, 1985 JPN November 21, 1985 EU March 15, 1987 genre =… … Wikipedia
Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… … Wikipedia
Magic number (programming) — For other uses of the term, see Magic number (disambiguation). In computer programming, the term magic number has multiple meanings. It could refer to one or more of the following: A constant numerical or text value used to identify a file format … Wikipedia
Magic number — ██████████ … Wikipédia en Français
Oswald efficiency number — The Oswald efficiency, similar to the span efficiency, is a correction factor that represents the change in drag with lift of a three dimensional wing or airplane, as compared with an ideal wing having the same aspect ratio and an elliptical lift … Wikipedia
