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Dynamic behaviour of air valves in a large-scale pipeline apparatus
Bergant, Anton (Avtor), Kruisbrink, Arno (Avtor), Arregui, F. (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://www.dlib.si/details/URN:NBN:SI:doc-39OC88T2 Novo okno

Izvleček
This paper describes an experimental programme on the dynamic behaviour of air valves performed in a large-scale pipeline apparatus. Dynamic flow tests were performed at large (full) scale, since previous quasi-steady flow tests at small scale did not lead to realistic results. Investigations in a large-scale pipeline apparatus lead to a better understanding of the physical processes associated with the dynamic performance of air valves. Float type air valves of nominal diameter of 50 and 100 mm were tested in geometrically similar 200 and 500 mm test sections, to allow for the assessment of dynamic scale effects and the development of dimensionless parameter groups and dynamic scale laws. The approach in the determination of the dynamic performance of air valves was to measure their response to flow acceleration/ decelerations, which are imposed upon the valve. In this way, the air valve behaviour following events like system start-up, pump trip and pipe rupture is simulated. Key results of the dynamic flow tests, including air release tests (valve slam) and column separation tests (effect of air valve on surge suppression), are presented and discussed.

Jezik:Angleški jezik
Ključne besede:air valves, large-scale test facilities, dynamic flow test, air admission, air release, water hammer, column separation
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2012
Založnik:= Association of Mechanical Engineers and Technicians of Slovenia et al.
Št. strani:str. 225-237, SI 49
Številčenje:Vol. 58, no. 4
UDK:621.22
ISSN pri članku:0039-2480
DOI:10.5545/sv-jme.2011.032 Povezava se odpre v novem oknu
COBISS.SI-ID:12316699 Povezava se odpre v novem oknu
Število ogledov:239
Število prenosov:105
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:Strojniški vestnik
Skrajšan naslov:Stroj. vestn.
Založnik:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 Novo okno

Sekundarni jezik

Jezik:Slovenski jezik
Naslov:Dinamični odziv zračnih ventilov v preizkusnem cevovodu velikih izmer
Ključne besede:zračni ventili, preizkuševališče velikih izmer, preizkus neustaljenega toka, dovajanje zraka, vodni udar, prekinitev stebra

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