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The Manning formula or Manning's equation is an empirical formula estimating the average velocity of a liquid in an open channel flow (flowing in a conduit that does ...
The surname Manning is also an English patronymic name, being one of those names derived from the first name of a father. In this case it is derived from the old English personal name Manning and simply denotes 'son of Manning', while Manning itself may derive from the old Norse name Menning, meaning 'able'.
Robert Manning. Robert Manning (22 October 1816 – 9 December 1897) was an Irish hydraulic engineer best known for creation of the Manning formula. Manning was born in Normandy, France, the son of a soldier who had fought the previous year at the Battle of Waterloo. In 1826 he moved to Waterford, Ireland and in time worked as an accountant.
It quantifies the impact of surface irregularities and obstructions on the flow of water. One roughness coefficient is Manning's n-value. [2] Manning's n is used extensively around the world to predict the degree of roughness in channels. The coefficient is critical in hydraulic engineering, floodplain management, and sediment transport studies.
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USRC Manning (1898), a United States Revenue Cutter Service cutter that served from 1898 to 1930; USS Manning (DE-199), a U.S. Navy destroyer escort that served from 1943 to 1947; R/V John R. Manning, a U.S. Fish and Wildlife Service fisheries research vessel in commission from 1950 to 1969
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The second Manning Bowl was held on September 19, 2010, with Peyton and the Colts beating Eli's Giants again by a score of 38–14. [12] The third and final Manning Bowl was held on September 15, 2013, and Peyton and the Broncos beat Eli's Giants 41–23. [13] They faced each other in two Pro Bowls, in 2009 and 2013, both won by the NFC. [14]