Abstract

Purpose: The purpose of this work is to suggest dependencies for pipelines with deposits in gravity flow water distribution systems.Methodology/approach: Hypotheses and formulas for the pipeline hydraulic analysis; regulatory documents on the water disposal.Research findings: The paper presents the hydraulic analysis equations of gravity flow water distribution with internal deposits. The current regulatory documents contain methods of the hydraulic analysis for new pipelines only. At the same time, deposits of various structure can appear on the pipeline walls under certain conditions, which affect the hydraulic parameters of the system. The dependences are suggested for pipelines with deposits and the concept is proposed for the reduced pipe diameter.Value: Further directions are identified for studying the influence of the thickness of the sediment layer in the pipeline on its hydraulic properties. A need for tabulating the results of the hydraulic analysis of pipes with gravity flow distribution with internal deposits is substantiated.

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