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The Froude number is based on the speed–length ratio which he defined as: [2] [3] = where u is the local flow velocity (in m/s), g is the local gravity field (in m/s 2), and L is a characteristic length (in m). The Froude number has some analogy with the Mach number.
The Battle of Chu-Dreh Pass also known as the Ambush at Chu-Dreh Pass and Operation Myosotis was the last battle of the First Indochina War between French and Viet Minh forces that took place on July 17, 1954, within the Central Highlands of French Indochina.
Moritz Weber (1871–1951), was a professor of naval mechanics at Technische Hochschule Charlottenburg (today Technische Universität Berlin). [1] The dimensionless numbers Reynolds number (named after the British scientist and mathematician Osborne Reynolds), and Froude number (named after the British engineer William Froude) was coined by Moritz Weber.
Rượu đế is a distilled liquor from Vietnam, made of either glutinous or non-glutinous rice. It was formerly made illegally and is thus similar to moonshine. It is most typical of the Mekong Delta region of southwestern Vietnam (its equivalent in northern Vietnam is called rượu quốc lủi). Its strength varies, but is typically 40 ...
Antidunes occur in supercritical flow, meaning that the Froude number is greater than 1.0 or the flow velocity exceeds the wave velocity; this is also known as upper flow regime. In antidunes, sediment is deposited on the upstream (stoss) side and eroded from the downstream (lee) side, opposite lower flow regime bedforms.
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The wavemaking resistance increases near the critical Froude number, but above it drops significantly. Which is why planing is a desired condition for, for instance, small sail-boats. -- Crowsnest ( talk ) 21:31, 9 April 2009 (UTC) [ reply ]
Frédéric Reech (9 September 1805 – 6 May 1884) was a French mathematician, naval engineer and professor who made contributions to thermodynamics and hydraulics. He was among the first to examine the effect of scaling of models of ships, noting the proportionality with the speed of a fluid and the inverse of the square root of its length as a law of comparison in a little-known work in 1831 ...