Study on the Air Pressure and the Backwater in the Cavity of Aerator on the Chute with an Anti-Arc Section

Abstract:

Aeration facility is widely used to reduce cavitation erosion of discharge works caused by high speed flows and it has proved to be an economical, effective and successful measure. For a flow chute with complex boundary conditions, the air pressure and backwater in an aerator cavity are important factors that influence the flow aeration, and there are numerous and complex hydraulic factors to affect them. By the jet trajectory equation and a series of experimental tests, the air pressure and backwater in different aerator cavities are investigated. How these factors such as the size and style of aerator, the arc radius of the chute and flow discharge to influence the air pressure and backwater in an aerator cavity are revealed. These results can be referenced in designing aerators on the chute with a concave surface.

• Periodical: Advanced Materials Research (Volumes 446-449)
• Pages: 2740-2744
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.446-449.2740
• Online since: January 2012
• Authors: Yi Min Xu, Hong Xuan Yang, Wei Zhao, Chun Ying Shen
• Keywords: Aerator, Anti-Arc Section, Backwater, Hydraulics, Pressure

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