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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'.
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.
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 ...
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.
Manning's formula is a modified Chézy formula that combines many of his aforementioned contemporaries' work. [ 6 ] [ 7 ] Manning's modifications to the Chézy formula allowed the entire similarity parameter to be calculated by channel characteristics rather than by experimental measurements. [ 1 ]
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
A biophysical profile (BPP) is a prenatal ultrasound evaluation of fetal well-being involving a scoring system, [1] with the score being termed Manning's score. [2] It is often done when a non-stress test (NST) is non reactive, or for other obstetrical indications. The "modified biophysical profile" consists of the NST and amniotic fluid index ...
Staffing theory [1] is a social psychology theory that explores the effects of behavior settings being either understaffed or overstaffed. Understaffing refers to the idea that there are not enough people for what the behavior setting promotes, whereas overstaffing is an overabundance of people.