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4 Found helpful • 8 Pages • Essays / Projects • Year: Pre-2021
Aim To study the nature of open channel flow and the theories of conservation of flow energy and momentum related to the actual flow behaviour. Introduction A hydraulic jump can be described as a sudden rise in water level with a large energy loss in the form of water turbulence and eddying. It occurs when a liquid at a high velocity (supercritical flow) discharge into a zone that has a lower velocity (subcritical flow). The slowing of the liquid leads to an increase in height that changes kinetic energy into potential energy. Some of the energy is dissipated in the form of heat due to turbulence and lead to energy loss. A major application of hydraulic jump is in the dam spillway which used to dissipate the energy in flows and therefore reduce the water speed.
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