Experimental proof of contaminant ingress into a leaking pipe during a transient event

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Abstract

It has been hypothesised that negative transient pressures may result in ingress of contaminated groundwater through leakage orifices. This paper presents results of contaminant ingress tests from a novel laboratory facility at the University of Sheffield. An engineered leak surrounded by porous media was subjected to a pressure transient resulting from the rapid closure of an upstream valve. It has been shown that a pollutant originating externally was drawn in and transported to the end of the pipe loop. Thus this paper presents the first fully representative results of contaminant ingress. © 2013 The Authors.

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Fox, S., Shepherd, W., Collins, R., & Boxall, J. (2014). Experimental proof of contaminant ingress into a leaking pipe during a transient event. In Procedia Engineering (Vol. 70, pp. 668–677). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2014.02.073

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