Numerical model of saltation in open channel with rough bed

0382671 - ÚH 2013 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Kharlamova, Irina - Vlasák, Pavel
Numerical model of saltation in open channel with rough bed.
Colloquium FLUID DYNAMICS 2012. Praha: Ústav termomechaniky AV ČR, v. v. i., 2012 - (Jonáš, P.; Uruba, V.), s. 13. ISBN 978-80-87012-42-0.
[Colloquium FLUID DYNAMICS 2012. Praha (CZ), 24.10.2012-26.10.2012]
Grant CEP: GA ČR GA103/09/1718
Institucionální podpora: RVO:67985874
Klíčová slova: saltation length * saltation height * bed roughness * bed shear stress * shear velocity
Kód oboru RIV: BK - Mechanika tekutin

The present contribution deals with a numerical modelling of a saltation of solid spherical particle in turbulent flow along rough bed in the open channel. The goal of the research is to obtain the dependences of average characteristics of particle saltation motion (as length and height of one particle jump) on flow parameters (which can be characterized e.g. by shear velocity and water depth) and bed roughness. The suggested dependences and calculated results are compared with analogical relationships introduced by other authors in literature.
Trvalý link: http://hdl.handle.net/11104/0212827