Study on Mechanism and Control Methods of Water Hammer in Pump Station and Pipe Lines

摘要

Transient flow occurs when sudden change in flow velocity happens.The pipeline design including the safety factor against upsurge anddown surge pressures needs many costs. When the cavitations andcolumn separation occurs despite the high safety factor of equipments;damage is not refutable during operation. So water hammer calculationand application of protective equipments is necessary to protect thepipeline. Surge vessel is one of useful equipment that can balance bothupsurge and down surge phases. Selection of tank volume and Size ofconnection line/Nozzle is very important due to safe system.