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Pregled bibliografske jedinice broj: 641684

Časopis

Autori: Travaš, Vanja; Krvavica, Nino; Radman, Ivana
Naslov: Numerical analysis of hysteresis in rating curves for open channel flow
Izvornik: International journal for engineering modelling (1330-1365) 25 (2012), 1-4; 1-6
Vrsta rada: članak
Ključne riječi: rating curve; Saint Venant equations; open channel flow; water wave propagation
Sažetak:
For the purpose of study the hysteresis in rating curves for unsteady flow regime in open channels, a numerical analysis of water wave propagation is performed by a numerical integration of 1D Saint- Venant differential equations. By applying two different boundary conditions, which are specified as the time change in water level h at the upstream boundary of the flow domain, it is shown that the downstream rating curves can obtain the same shapes in the Q-h plane. However, to emphasize the expected difference in rating curves, a third, time axes, is added. Accordantly, the rating curves obtain a spatial shape from which the dynamics of evolution in the relation between the stage h and related discharge Q can be evidenced. Apart from describing the used numerical formulation (based on the method of characteristics), to support the given statement ; a numerical example is also presented.
Projekt / tema: 114-0982709-2549
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Scopus
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo
URL Internet adrese: http://www.gradst.hr/engmod/default.aspx
URL cjelovitog teksta:
Google Scholar: Numerical analysis of hysteresis in rating curves for open channel flow
Upisao u CROSBI: Vanja Travaš (vanja.travas@gradri.hr), 12. Ruj. 2013. u 13:59 sati



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