Extreme pressure forecasting methodology for the hydraulic jump downstream of a low head spillway

Abstract

ABSTRACT Extreme pressures in the hydraulic jump are associated with risk of damage to the flow discharge system of dams by a series of mechanisms. Therefore, understanding and predicting these efforts are crucial for the safe and economical design of discharge systems. Thus, this paper aims to validate an existing pressure forecasting methodology for estimating the extreme pressure in the hydraulic jump with low Froude number (below 4.5). Results have shown that the method may be used for this situation on a preliminary basis. Further studies are recommended to refine the technique and to achieve results that are more precise.

Keywords

• Stilling basin
• Hydraulic jump
• Chute spillway
• Low Froude number
• Extreme pressures