Chen He’ai (Hydraulic and Electric Engineering Department,Nanchang University,Nanchang 330029)Chen Zhihong (Jiangxi Reclamation Development Corporation,Nanchang 330006)Cheng Fei (Jiangxi Shangrao Da’ao Water Conservancy and Hydro-power Development Corp
Abstract:In order to save materials,the limit value based on the allowable value of water hammer and difference of speed is used in computation of diameter and wall thickness of pressure conduit,it is significant to save materials and reduce project costs.