Design of Semi-Closed Pipeline Systemsby John L. Merriam, California Polytechnic State Univ, San Luis Obispo, CA, USA,
Abstract: Semi-closed pipeline systems controlled by downstream activated float valves permit low pressure pipeline systems to communicate information from the outflow location back to the source as to the outflow requirement and to automatically convey the needed water supply. Such capabilities facilitate the use of flexible schedules and reduce operational labor requirements compared to the prevalent open pipeline systems. The advantages and the design precedures are described.
Subject Headings: Pressure pipes | Water pipelines | Water pressure | Valves | Information systems | Outflow | Automation | Water supply systems
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