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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'.
Note: the Strickler coefficient is the reciprocal of Manning coefficient: Ks =1/ n, having dimension of L 1/3 /T and units of m 1/3 /s; it varies from 20 m 1/3 /s (rough stone and rough surface) to 80 m 1/3 /s (smooth concrete and cast iron). The discharge formula, Q = A V, can be used to rewrite Gauckler–Manning's equation by substitution for V.
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.
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.
Arch Manning’s biggest fan is his dad, Cooper Manning. The Texas Longhorns quarterback comes from a football dynasty: Arch is the grandson of former New Orleans Saints quarterback Archie Manning ...
Counterion condensation is a phenomenon described by Manning's theory (Manning 1969), which assumes that counterions can condense onto polyions until the charged density between neighboring monomer charges along the polyion chain is reduced below a certain critical value. In the model the real polyion chain is replaced by an idealized line ...
The term Manning rule is the informal name for a financial industry rule in the United States: Financial Industry Regulatory Authority (FINRA) regulation, Rule 5320. It prohibits a FINRA member firm from placing the firm's interest before/above the financial interests of a client.
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