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Raziskava toka v spiralah Francisovih in Kaplanovih turbin = [Flow analysis in the spiral casing of the Francis and Kaplan turbines] : magisterijJamnik, Mateja, 1965-ǂV ǂiskanju, kako izboljšati karakteristike turbine v vseh delih pretočnega trakta, se je numerična analiza izkazala kot zelo učinkovito orodje. Hiter razvoj računalnikov skupaj z novimi možnostmi ... reševanja enačb turbulentnega toka je omogočil izračun večjih delov turbin kot je spiralno ohišje s predvodilnimi lopaticami. V nalogi je obravnavana samo razlika med tokom tekočine v prazni spirali in spirali z vstavljenimi predvodilnimi lopaticami, pri Kaplanovi turbini tudi z vodilnimi. Pomembna je porazdelitev pretoka po obodu spirale in kot hitrosti kot vstopni pogoji za izračun toka v dvojni kaskadi predvodilnika in vodilnika. Preverila sem zakon potencialnega vrtinca in pretok skozi prečne preseke spirale. Simulacija toka v spiralnem ohišju s predvodilnimi lopaticami je bila izvedena brez interakcije z ostalimi elementi pretočnega trakta. Tok v spirali sem analizirala z metodo končnih volumnov s turbulentnim dvoenačbenim modelom k-e.Type of material - master's thesisPublication and manufacture - Ljubljana : [M. Jamnik], 1997Language - slovenianCOBISS.SI-ID - 2307867
Author
Jamnik, Mateja, 1965-
Other authors
Florjančič, Dušan, 1927-2021 |
Tuma, Matija |
Velenšek, Boris
Topics
turbine |
spiralna ohišja |
turbinske lopatice |
turbulentni tok |
numerične metode |
numerična analiza |
magistrske naloge
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Library | Call number – location, accession no. ... | Copy status |
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National and University Library, Ljubljana | GS II 486410 glavno skladišče | available - reading room |
Faculty of Mechanical Engineering, Lj. | M JAMNIK M. Raziskava IN: 00042198 |
available - reading room |
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Jamnik, Mateja, 1965- | 12666 |
Florjančič, Dušan, 1927-2021 | ![]() |
Tuma, Matija | 04121 |
Velenšek, Boris | 01159 |
Source: Personal bibliographies
and: SICRIS
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