Experimental Analysis of a Vertical Drop Shaft
AbstractAn experimental campaign is undertaken in order to investigate the hydraulic features of a vertical drop shaft, also considering the influence of a venting system consisting of a coaxial vertical pipe, projecting within the drop shaft with different plunging rates. Three different flow regimes are observed: a “weir flow” for very low head values, where the flow profile is subject to the atmospheric pressure; a “full flow” for high head values, where water flows in a pressurized regime along the whole shaft; and a “transitional flow” for intermediate water head values. Weir flow and full flow can be experimentally investigated under steady-state conditions, whereas transitional flow is a pulsating condition, alternately switching from full flow to weir flow. Considering some significant geometric parameters, a head-discharge relation is sought both for the non-vented and for the vented configurations, by means of an energy balance equation, with specific assumptions about intake losses. View Full-Text
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Padulano, R.; Del Giudice, G.; Carravetta, A. Experimental Analysis of a Vertical Drop Shaft. Water 2013, 5, 1380-1392.
Padulano R, Del Giudice G, Carravetta A. Experimental Analysis of a Vertical Drop Shaft. Water. 2013; 5(3):1380-1392.Chicago/Turabian Style
Padulano, Roberta; Del Giudice, Giuseppe; Carravetta, Armando. 2013. "Experimental Analysis of a Vertical Drop Shaft." Water 5, no. 3: 1380-1392.