CE 704 · Chapter 5
Hydropower Engineering past question
5.4 Sediment Handling measures: Methods of bed load and suspended load handling in RoR headworks, Design of settling basin (Particle and concentration approach), Estimation of sediment volume in Settling basin, Flushing of deposited sediment, estimation of frequency of flushing
Design a settling basin (i) with intermittant flushing (ii) continuous flushing for a hydroelectric plant by using the simple settling theory. The design discharge of the plant is 5m³/s and depth of the basin is 3.20. Take w=2.5cm/s and λ=1.5. Compare and justify the result. Assume 15% flushing discharge and efficiency=90%. [10]