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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Comparison of numerical and experimental investigation of flow through straight blade cascades with reaction blading
 Straka, P. ; Kladrubský, M. ; Příhoda, Jaromír
The article deals with comparison of numerical and experimental investigation of flow through four different linear blade cascades with reaction blading. The experimental part was carried out in a high-speed cascade wind tunnel of VZLÚ. The numerical simulation was performed using the in-house CFD code developed in VZLÚ which includes the bypass transition model as well as model of transition due separation.
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An Evaluation of Novel Integral Scheme for Calculations of Transitional Boundary Layers
 Abu Darag, S. ; Uruba, Václav ; Horák, V.
Evaluation of new integral scheme for calculations of two-dimensional, incompressible transitional boundary layers has been performed. To precede these approximate calculations for three different cases of boundary layers characteristics, the mathematical model Abu-Darag was utilized in order to enable the prediction of the main boundary layer integral parameters.
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Preliminary results on transitional intermittency in the zero pressure gradient boundary layers
 Hladík, Ondřej ; Jonáš, Pavel ; Mazur, Oton ; Uruba, Václav
The paper concerns with the complex effects of free stream turbulence and surface roughness on the transitional intermittency inclusive of spot production rate in the zero pressure gradient boundary layer at weak k-type transient roughness and at low Reynolds number.
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Vliv zrnitostního rozdělení na tokové chování koncentrovaných hydrosměsí obsahujících fluidní popely
 Vlasák, Pavel ; Chára, Zdeněk ; Konfršt, Jiří
Most knowledge on the flow behaviour of highly concentrated slurries has been concerned with the slurries containing either fine-grained particles creating homogeneous, often non-Newtonian slurry or coarse-grained particles creating heterogeneous slurry with settling tendencies. The paper deals with the effect of slurry composition and volumetric concentration on flow behaviour of slurries containing colloidal, clay, dust and also coarse-grained particles
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