Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Two fundamental equations, the energy equation and the acceleration balance equation of turbulent motion, are derived for flows with suspended particles. Using these equations, general formulas are derived for the changes in the characteristic turbulent quantities such as the von Karman constant, the turbulent intensity, the life time of eddies, and the diffusion coefficient. Fairly good agreements between the theory developed and published experimental results are shown for sediment-laden flows and a special case of flow with suspensions of neutrally buoyant particles. Moreover, the theory predicts that the decrease in the turbulent intensity or the damping effect due to suspension of sediment particles will be very small, contrary to the commonly accepted belief.
Two fundamental equations, the energy equation and the acceleration balance equation of turbulent motion, are derived for flows with suspended particles. Using these equations, general formulas are derived for the changes in the characteristic turbulent quantities such as the von Karman constant, the turbulent intensity, the life time of eddies, and the diffusion coefficient. Fairly good agreements between the theory developed and published experimental results are shown for sediment-laden flows and a special case of flow with suspensions of neutrally buoyant particles. Moreover, the theory predicts that the decrease in the turbulent intensity or the damping effect due to suspension of sediment particles will be very small, contrary to the commonly accepted belief.
Turbulent Flow with Suspended Particles
Hino, Mikio (Autor:in)
Journal of the Hydraulics Division ; 89 ; 161-185
01.01.2021
251963-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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