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Air Pocket Removal during Siphon Priming
Publisher: American Society of Civil Engineers
Abstract: Siphon frequently is employed in pump stations as a pump outlet with a convenient flow cutoff mode for pump shutdown, and it usually works with axial-flow pumps with a large discharge and low head. After the pump starts, ...
Prediction of Geyser Occurrences in Covered Manholes of Urban Stormwater Systems
Publisher: American Society of Civil Engineers
Abstract: Storm geysers are air–water eruptions from stormwater manholes during intense rainfalls, which raise public safety concerns. They arise from entrapped air release in stormwater tunnels as flow transitions from open to ...
Experimental Study on Geysers in Covered Manholes during Release of Air Pockets in Stormwater Systems
Publisher: ASCE
Abstract: For stormwater systems, geysers in manholes are a risk to pedestrian and vehicle safety and the urban environment. Manhole covers dancing and blowing off are reported worldwide during heavy rainfall and geyser events. These ...