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Water 2017, 9(1), 63; doi:10.3390/w9010063

Experimental Study of Air Vessel Behavior for Energy Storage or System Protection in Water Hammer Events

1
Department of Civil Engineering, Saghez Branch, Islamic Azad University, Saghez 66819-73477, Iran
2
Department of Civil Engineering and Architecture, Instituto Superior Técnico, University of Lisbon, Lisbon 1049-001, Portugal
3
Laboratório Nacional de Engenharia Civil (LNEC), Lisbon 1700-066, Portugal
*
Author to whom correspondence should be addressed.
Academic Editor: Marco Franchini
Received: 8 November 2016 / Revised: 11 January 2017 / Accepted: 14 January 2017 / Published: 20 January 2017
(This article belongs to the Special Issue Water Systems towards New Future Challenges)
View Full-Text   |   Download PDF [9723 KB, uploaded 23 January 2017]   |  

Abstract

An experimental assessment of an air pocket (AP), confined in a compressed air vessel (CAV), has been investigated under several different water hammer (WH) events to better define the use of protection devices or compressed air energy storage (CAES) systems. This research focuses on the size of an AP within an air vessel and tries to describe how it affects important parameters of the system, i.e., the pressure in the pipe, stored pressure, flow velocity, displaced volume of water and water level in the CAV. Results present a specific range of air pockets based on a dimensionless parameter extractable for other real systems. View Full-Text
Keywords: water hammer; air vessel sizing; energy storage; dynamic behavior; CAES water hammer; air vessel sizing; energy storage; dynamic behavior; CAES
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Besharat, M.; Teresa Viseu, M.; Ramos, H.M. Experimental Study of Air Vessel Behavior for Energy Storage or System Protection in Water Hammer Events. Water 2017, 9, 63.

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