Froude depth number

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• Froude number — The Froude number is a dimensionless number comparing inertial and gravitational forces. It may be used to quantify the resistance of an object moving through water, and compare objects of different sizes. Named after William Froude, the Froude… …   Wikipedia

• Froude number — ▪ physics       in hydrology and fluid mechanics, dimensionless quantity used to indicate the influence of gravity on fluid motion. It is generally expressed as F = v/(gd) 1/2, in which d is depth of flow, g is the gravitational acceleration… …   Universalium

• Froude number —    A dimensionless numerical quantity used as an index to characterize the type of flow in a hydraulic structure that has the force of gravity (as the only force producing motion) in conjunction with the resisting force of inertia. It is the… …   Lexicon of Cave and Karst Terminology

• James Anthony Froude — (Froude rhymes with rood ) (23 April 1818 ndash; 20 October 1894) was a controversial English historian, novelist, biographer, and editor of Fraser s Magazine . From his upbringing amidst the Anglo Catholic Oxford Movement, Froude intended to… …   Wikipedia

• Rayleigh number — In fluid mechanics, the Rayleigh number for a fluid is a dimensionless number associated with buoyancy driven flow (also known as free convection or natural convection). When the Rayleigh number is below the critical value for that fluid, heat… …   Wikipedia

• Reynolds number —    A numerical quantity used as an index to characterize the type of flow in a hydraulic structure in which resistance to motion depends on the viscosity of the liquid in conjunction with the resisting force of inertia. It is the ratio of inertia …   Lexicon of Cave and Karst Terminology

• Hydraulic jump — A hydraulic jump is a phenomenon in the science of hydraulics which is frequently observed in open channel flow such as rivers and spillways. When liquid at high velocity discharges into a zone of lower velocity, a rather abrupt rise (a step or… …   Wikipedia

• ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …   Universalium

• Dimensionless Specific Energy Diagrams for Open Channel Flow — Contents 1 Energy Equations 2 Example 3 Choke Conditions 4 Dimensionless Diagram 5 References …   Wikipedia

• Hull (watercraft) — Half hull of the 46 gun ship of the line Tigre, build from 1724 in Toulon after plans by Blaise Coulomb A hull is the watertight body of a ship or boat. Above the hull is the superstructure and/or deckhouse, where present. The line where the hull …   Wikipedia

• Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   Wikipedia