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Analiza kinematike toka v rotirajočem difuzorju : magistrsko deloBajcar, TomǂV ǂmagistrskem delu so predstavljene raziskave hitrostnega polja toka zraka v vrtečem aksialnem difuzorju okroglega prereza. Meritve hitrostnih komponent toka so potekale s pomočjo sistema LDA, ... poleg tega je bila izvedena tudi vizualizacija tokovnih struktur v difuzorju. Rezultati eksperimenta so bili primerjani z rezultati napovedi treh turbulentnih modelov ter s hitrostnim poljem toka v vrteči cevi. Z meritvami je bila potrjena delitev toka na zunanji rotirajoči del ob vrteči steni in notranji nerotirajoči del v vzdolžni osi difuzorja. Ugotovljen je bil močan porast vseh treh komponent hitrosti v ozkem pasu ob vrteči steni difuzorja, kar ni značilno za tok znotraj vrteče cevi. Poleg tega je je bil pokazan tudi vpliv vrteče stene in geometrije difuzorja na razširjanje toka radialno navzven. Vizualizacijska metoda je podprla rezultate meritev z metodo LDA ter potrdila prisotnost nestacionarnih pojavov v toku. Uporabljeni turbulentni modeli so uspeli napovedati trende hitrostnega polja v vrtečem difuzorju. Študija toka v vrtečem difuzorju je pokazala dobre iztočnice za nadaljnje raziskave tako na področju dinamike fluidov kot tudi na področju prenosa toplote.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Bajcar], 2002Language - slovenianCOBISS.SI-ID - 5080603
Author
Bajcar, Tom
Other authors
Trenc, Ferdinand, 1946- |
Širok, Brane
Topics
Rotirajoči aksialni difuzorji |
Magistrske naloge |
vrtinčni tokovi |
hitrostno polje |
laser Dopplerjeva anemometrija |
vizualizacija |
turbulentni modeli |
uporaba računalnikov

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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Bajcar, Tom | 21237 |
Trenc, Ferdinand, 1946- | 01696 |
Širok, Brane | 09286 |
Source: Personal bibliographies
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