- mach numbers
- mach 1, et cetera— ratio of velocity of an object to the velocity of sound (named after Ernst Mach, Austrian physicist)
Eponyms, nicknames, and geographical games. 2013.
mach numbers
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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
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 — is the relative velocity of a fluid compared to its sonic velocity. Mach numbers less than 1 correspond to sub sonic velocities, and Mach numbers > 1 correspond to super sonic velocities … Mechanics glossary
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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 wavelet — Small shock waves, usually present in large numbers in boundary layers and around the surface of a supersonic body. The bow wave becomes progressively weaker as it gets farther from the aircraft, eventually becoming a very weak Mach wave. Also… … Aviation dictionary
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
high-Mach flight — A flight carried out at high sub sonic Mach numbers … Aviation dictionary
Ford Mustang Mach 1 — This article is about the Ford Motor Company automobile. For the speed rating, see Mach number. Ford Mustang Mach 1 Manufacturer Ford Motor Company … Wikipedia
Dirac large numbers hypothesis — Paul Dirac The Dirac large numbers hypothesis (LNH) is an observation made by Paul Dirac in 1937 relating ratios of size scales in the Universe to that of force scales. The ratios constitute very large, dimensionless numbers: some 40 orders of… … Wikipedia
