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Numerické řešení nárůstu glazového ledu
Hoření, Bohumír ; Horák, V.
The paper presents the main problem of the wing airfoil glaze ice accretion prediction: theoretical solution of the flow of a thin layer on a cold surface and gradual freezing. There are formally arranged the conservative equations using for the solution of water flow in open channels. The flux terms are evaluated using a discontinuous Galerkin method, which could be considered as a generalized finite volumes classical method.
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Modelování klasické námrazy na profilu křídla
Horák, V. ; Hoření, Bohumír
The paper presents the rime ice accretion prediction code. Model includes the calculation of a velocity distribution, droplet motion equations and detetrmination of a water mass flux impacting on the wing airfoil surface. Changing the airfoil shape is illustrated in compare of experimental results.
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The fish stock diversity of the lower Kyjovka river stream
Horák, Václav ; Mendel, Jan
The ichthyological research of the Kyjovka River showed that it is inhabited by highly diversificated communities. The Kyjovka community is the source, which can support by migration local fish populations in the adjacent hydrological system within the floodplain forest. It is shown that active stream is essential for maintenance of stable and diversificated fish communities in the passive alluvium.
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