Assessing Key Flow Parameters in a Stilling Basin with an Open Double-Span Bowl and Angled Side Walls Across a Range of Discharge Scenarios"

Document Type : Research Article

Author

Assistant Professor, Faculty Of Engineering, Islamic Azad University, Sepidan Unit, Fars, Iran

Abstract
Energy dissipation is of great importance in hydraulic engineering since uncontrolled flow kinetic energy degrades structures. In a hydraulic system, imagine this: the greater the drop, the crazier the energy transformation becomes, increasing flow speeds to extreme levels. These fast-moving currents aren’t just quick, they’re violent, potentially damaging the very foundations of hydraulic systems such as spillways, channeling water swiftly downstream with out-of-control rage. To rein it in, engineers deploy energy dissipators—structures that slow the flowing water down, reducing its erosive effect and protecting whatever’s in its path downstream. By absorbing that excess kinetic energy, these setups avoid damage and improve the system’s stability, saving us in the long term for safety. This research was conducted at the Hydraulic and Sediment Laboratory of Khuzestan Water and Power Organization in Ahvaz, which is a promising place with needed equipment to follow such studies. They had a flume, additional hydraulic equipment, and everything necessary to delve into the behavior of water. The group honed in on a two-span bowl configuration, outfitted with a splitter and angled walls tilted at 10, 20, 30 and 40 degrees. They did tests in 10 distinct discharge rates, from the more delicate 16 liters each second, to a more vigorous 25, and noticed what the water did as they adjusted each nuance. Man, did that splitter + 20-degree side walls steal the limelight, cutting through flow energy like a blunted knife while not letting others across the track go loose. It’s not only effective — it’s cost friendly as well, reducing build and maintenance costs. This deluded treasure directs you exactly to how to make these hydraulic creations smarts and safer so they do not fail.

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  • Receive Date 03 February 2025
  • Revise Date 14 March 2025
  • Accept Date 17 March 2025
  • First Publish Date 17 March 2025
  • Publish Date 21 April 2025