Experimental investigation into self-cleansing sewer pipes
Author: Montes Rodríguez, Carlos Daniel
Publication date: 2020
Content type: Trabajo de grado - Doctorado
Sediment transport has been extensively studied in water engineering research. Numerous studies have been reported in the literature, aiming to propose self-cleansing models. These models calculate the self-cleansing velocity as a function of several hydraulic and sediment parameters under the concept of non-deposition sediment transport. Although the reported models show better performance than the traditional self-cleansing criteria proposed in water utilities design codes, they fail when applied on external datasets (i.e. the models lack generalisation and extrapolation capabilities). This work addresses this issue by conducting extensive experimental research and developing improved self-cleansing models. Both small and large sewer pipes are studied under steady and unsteady flow conditions. A small 242 mm diameter sewer pipe was used to collect experimental data under steady flow conditions simulating small sewer pipes. A wide range of sediment and hydraulic conditions were studied in this pipe, under the concept of non-deposition without deposited bed. With the data collected...
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