hydraulics, open-channel flow is a type of liquid flow within a conduit with a free surface, known as a channel. The other type of flow within a conduit...
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within a conduit is open channel flow. These two types of flow are similar in many ways, but differ in one important aspect. Pipe flow does not have a free...
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Manning formula (section Authors of flow formulas)
an open channel flow (flowing in a conduit that does not completely enclose the liquid). However, this equation is also used for calculation of flow variables...
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of flow in a pipe are not useful in open channels. Measuring flow in waterways is an important open-channel flow application; such installations are known...
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to estimate one-dimensional surface water profiles in open channels with gradually varied flow under steady state conditions. It uses a combination of...
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the actual discharge to the ideal discharge, i.e., the ratio of the mass flow rate at the discharge end of the nozzle to that of an ideal nozzle which...
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flow meters that use the Doppler shift are called reflection or Doppler flow meters. The third type is the open-channel flow meter. Ultrasonic flow meters...
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Hydraulics (redirect from Open channel hydraulics)
surface flow, such as occurring in rivers, canals, lakes, estuaries, and seas. Its sub-field open-channel flow studies the flow in open channels. Early...
23 KB (2,549 words) - 21:52, 13 August 2024
Chézy formula (section Authors of flow formulas)
is a semi-empirical resistance equation which estimates mean flow velocity in open channel conduits. The relationship was conceptualized and developed...
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Hydraulic jump (redirect from Hydraulic jump in rectangular channel)
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...
32 KB (4,011 words) - 21:12, 13 August 2024
Streamflow (redirect from Stream flow)
Streamflow, or channel runoff, is the flow of water in streams and other channels, and is a major element of the water cycle. It is one runoff component...
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flow differs from open channel flow only in the fact that in closed channel flow there is a closing top width while open channels have one side exposed...
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Open channel spillways are dam spillways that utilize the principles of open-channel flow to convey impounded water in order to prevent dam failure. They...
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doi:10.1016/j.limno.2014.02.002. Chanson, H. (2004). The Hydraulics of Open Channel Flow: An Introduction. Butterworth-Heinemann, 2nd edition, Oxford, UK....
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Terms, supercritical flow is defined as follows: The flow at which depth of the channel is less than critical depth, velocity of flow is greater than critical...
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Weir (section Flow measurement)
2016.02.046. ISSN 0925-8574. Chanson, H. (2004). The Hydraulics of Open Channel Flow: An Introduction (2nd ed.). Oxford: Butterworth-Heinemann. ISBN 978-0-7506-5978-9...
19 KB (2,324 words) - 23:12, 1 August 2024
Darcy friction factor formulae (section Flow regime)
equation, for the description of friction losses in pipe flow as well as open-channel flow. The Darcy friction factor is also known as the Darcy–Weisbach...
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Parshall flume (section Free vs. submerged flow)
Parshall flume is an open channel flow-metering device that was developed to measure the flow of surface water and irrigation flow. The Parshall flume...
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Froude number (redirect from Critical flow)
In open channel flows, Belanger 1828 introduced first the ratio of the flow velocity to the square root of the gravity acceleration times the flow depth...
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OpenFlow is a communications protocol that gives access to the forwarding plane of a network switch or router over the network. OpenFlow enables network...
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quantity of a Darcy flux or discharge. It also has applications in open-channel flow where it is also known as stream gradient and can be used to determine...
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hydraulic drop is a type of local phenomena found in open channel flow. It is a rapid change in the depth of flow from a high stage to a low stage that results...
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contact with the aqueous body. In open channel flow, the wetted perimeter is defined as the surface of the channel bottom and sides in direct contact...
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Reynolds number (section Flow in an open channel)
as the Mach number used in compressible flows, or the Froude number that governs open-channel flows. Some flows involve more dimensionless parameters than...
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{4ab}{2(a+b)}}={\frac {2ab}{a+b}}} For free surfaces (such as in open-channel flow), the wetted perimeter includes only the walls in contact with the...
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Flow of Industrial Fluids: Theory and Equations. CRC Press. pp. 43–44. ISBN 978-0-8493-2767-4. Chanson, Hubert (2004). Hydraulics of Open Channel Flow...
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surface jet. In fluid mechanics a free surface flow, also called open-channel flow, is the gravity driven flow of a fluid under a free surface, typically...
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Backwater (river) (section Alternative channel)
"Chapter 5: Open-Channel Flow" (PDF). An Introduction to Fluid Motions, Sediment Transport, and Current-generated Sedimentary Structures. MIT OpenCourseWare...
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at which the level is measured. Unlike most other flumes used for open channel flow measurement, the Palmer-Bowlus flume can be calibrated by theoretical...
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(1753–1823). This equation is used both for open channel flow as well as in pipe flows. In parts of the flow where the irreversible energy losses are negligible...
13 KB (2,113 words) - 08:18, 12 June 2024