hydraulic radius
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hydraulic radius — the ratio of the cross sectional area to the perimeter of a pipe, outlet, or the like, through which a fluid is flowing. [1875 80] * * * … Universalium
hydraulic radius — stream efficiency measured by dividing cross sectional area of a stream by the wetted perimeter. A higher ratio indicates greater efficiency as area will be greater compared to wetted perimeter and it is the latter which reduces efficiency… … Geography glossary
hydraulic radius — The ratio of the filled cross sectional area to wetted perimeter [16] … Lexicon of Cave and Karst Terminology
hydraulic radius — noun : the ratio of the cross sectional area of a channel or pipe in which a fluid is flowing to the wetted perimeter of the conduit * * * the ratio of the cross sectional area to the perimeter of a pipe, outlet, or the like, through which a… … Useful english dictionary
Hydraulic diameter — The hydraulic diameter, D h , is a commonly used term when handling flow in noncircular tubes and channels. Using this term one can calculate many things in the same way as for a round tube.Definition: D h = frac {4A}{U} where A is the cross… … Wikipedia
hydraulic mean depth — noun : hydraulic radius … Useful english dictionary
Hydraulic machinery — are machines and tools which use fluid power to do work. Heavy equipment is a common example.In this type of machine, high pressure hydraulic fluid is transmitted throughout the machine to various hydraulic motors and hydraulic cylinders. The… … Wikipedia
Manning formula — The Manning formula, known also as the Gauckler–Manning formula, or Gauckler–Manning–Strickler formula in Europe, is an empirical formula for open channel flow, or free surface flow driven by gravity. It was first presented by the French engineer … Wikipedia
Depth–slope product — The depth–slope product is used to calculate the shear stress at the bed of an open channel containing fluid that is undergoing steady, uniform flow. It is widely used in river engineering, stream restoration, sedimentology, and fluvial… … Wikipedia
Chézy formula — In fluid dynamics, the Chézy formula describes the mean flow velocity of steady, turbulent open channel flow: where v is the mean velocity [m/s], C is the Chézy coefficient [m½/s], R is the hydraulic radius ( water depth) [m], and i is the bottom … Wikipedia
