TINJAUAN KINERJA HIDRAULIK BANGUNAN PEREDAM ENERGI PADA SALURAN PEMBUANG DI PLTU PUNAGAYA JENEPONTO

Andi Muhammad Subhan, Abdul Rivai Suleman

Abstract


The surface discharge of thermal effluent from power plants into water bodies would result in harmful
impacts on aquatic ecosystems. To reduce the negative impacts on water body due to the high discharge velocities,
surface discharge needs to be equipped with dissipation structure that reduces the flow kinetic energy. In this study, the
momentum and energy principles are used to derive an equation that expresses hydraulic jump, associated specific
energy and force-momentum. Review of dissipation structure performance in this paper can be used to determine the
standardized designs of stilling basin. Result shows that with Froude number of 3.13, each irregular oscillation produces
a large wave which may travel to downstream. It was proposed to use the USBR Type IV with an angel of 10° related to
the axis for diminishing the effect of oscillating jumps. This dissipation structure has succeeded to reduce the flow
kinetic energy into water body.

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References


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