![]() ![]() ![]() The results indicated that using equipment like air valves when the pumps fail alone does not have the appropriate efficiency in eliminating the hazards in the water transmission pipelines. The negative pressure causes threatening problems like water column separation and cavitation. Long water transmission pipelines, usually large in diameter and flow rate, will pose problems in the negative pressure phase. While transient flows are created by pump failure, various areas of the water transmission pipelines will be affected by the transient waves produced. The software analysis results were compared with those of a numerical model for a laboratory test to validate transient flow modeling. ![]() This pipeline is 31 km from the water transmission pipeline of Kerman, Iran. In the present study, a water transmission pipeline under steady conditions is modeled followed by examining the transient flow created by the failure of pumps in the pipeline. ![]()
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