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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Modelování profilů rychlosti větru naměřených sodarem v komplexním terénu
 Hošek, Jiří
The wind profiles with two Doppler sodars were measured in wide range of synoptic situations in Ore mountains (Erzgebirge) and in the region of Orlické hory (mountains), both in the Czech republic. Ore mountains represent the region most suitable for construction of wind turbines in the Czech republic. Concerning the observed wind profiles, their generalization may serve for improvement of precision of the simulated wind profile fields. In the second part of the work, we performed the modelling of wind speed profiles in the complex terrain of above-mentioned mountain ranges. We have applied the non-hydrostatic meso-scale models KAMM and PIAP. The numerical simulations with the models were performed for different situations of the ambient flow, described by geostrophic wind speed and direction, and temperature stratification.
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Dominant flow features of twin jets in crossflow
 Kolář, Václav ; Savory, E.
A survey of the recent studies of "twin jets in crossflow" (TJICF) by the present authors is carried out and extended in terms of results of the velocity-field analysis based on decomposition techniques. Similarities and differences between the dominant mean-flow vortical features, vorticity and circulation associated with three basic ground arrangements (tandem, side-by-side and oblique arrangements) are examined, and the comparison with the single jet case is carried out as well.
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