National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Lokální odpory na stěně umístěných překážek
Chára, Zdeněk ; Hoření, Bohumír
The influence of surface mounted obstacles on free level of channel flow is discussed. The obstacles of square cross section are placed sequentially along a hydraulic flume and perpendicularly to the flow direction across the whole channel width. Three various spacing between the obstacles - 5H, 11H and 23H (H is height of the obstacle) were tested for different flow discharges. The surface levels were recorded and the results were compared with numerical simulations. Based on the experimental data and numerical simulations the resistance coefficients of the individual obstacles were determined.
Modelování proudění s volnou hladinou pomocí VOF
Chára, Zdeněk ; Hoření, Bohumír
The contribution deals with an application of the method VOF ("Volume of Fluid" implemented in Fluent software) on free surface flow over obstacles placed on a channel bottom. The numerical results are compared with experimental observations of flows over two square cross section cylinders and over broad crest weir.
Numerická simulace třírozměrného turbulentního proudění s volnou hladinou v zakřiveném kanále
Bodnár, Tomáš ; Příhoda, Jaromír ; Kozel, K.
The paper deals with the numerical simulation of free surface flow in a curved channel. An interface capturing method was chosen for description of the free surface. Numerical simulation was carried out for turbulent flow in a curved channel of square cross-section that was partially filled by water.

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