IMPLEMENTATION AND EVALUATION OF WATER HAMMER SOFTWARE IN FLOW PROBLEMS IN IRRIGATION NETWORKS

摘要

Water Hammer is an ordinary phenomenon in irrigation networks, causing damages to pipelines, pipes' junctions and equipment, the effects of which can often be immeasurable. The paper scrutinizes the simulation of several cases of water hammer phenomenon being implemented in specific software 'H' and relied upon examples resolved by hand by Tzimopoulos. Comparison between the results by hand and by the software is conducted, assessing at the same time the reliability of the software. In addition to this, further scenarios are applied varying the pipe roughness parameter and are run for slow and sudden valve closure, attempting to present the severe impacts of a water hammer incident and the necessity of taking surge protection for the pipeline system. The software 'H' enables the user to run different scenarios for transient loadings in the pipelines as well as to take surge protection for the irrigation network.