Experimental Investigation of Energy Dissipation in the Sudden Choked Flow with Free Surfaces
One problem of accumulation and water flow is the increase in the kinetic energy experienced by the flow. Amortized energy regulators can be used to reduce this effect. If the kinetic energy of the falling flow is not controlled, considerable damage may be done to canals and downstream, structures. Due to the importance of making structures for energy dissipation lots of studies have been done so far that for instance studies of Peterka 1983 and Carvalho and Leandro (2012) must be noticed. A hydraulic jump is a common phenomenon that occurs downstream of hydraulic structures, such as weirs and grates which increase the fluid depth by converting from supercritical to subcritical flow conditions in a relatively short range. These jumps have an important role in the energy dissipation. The possibility of shrinking sections in the supercritical flow that may result from construction of a bridge foundation makes it necessary to calculate the energy dissipation caused by exposure to supercritical flow. In this study, supercritical flow behavior near sudden constrictions is evaluated.
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