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Konvektivni prenos toplote v vrtečem kanalu kaskade z ravnimi lopaticami = Convective heat transfer inside rotational cascades with flat bladesMori, Mitja ; Novak, Lovrenc, strojnik ; Sekavčnik, MihaelV prispevku je obravnavana odvisnost konvektivnega prenosa toplote od vrtilne frekvence na vroči steni turbinske lopatice. Prenos toplote poteka v kriznem sistemu iz aksialnega toka vroèih dimnih ... plinov na hladilni zrak v kanalu lopatice. Z numeričnim modelom smo simulirali tokovne in energijske razmere v aksialni krožni kaskadi z ravnimi lopaticami pri različnih vrtilnih frekvencah in količini hladilnega zraka, rezultate pa smo zapisali v brezdimenzijski obliki. Izkazalo se je, da ima v obravnavanem primeru razmernik hladilnega zraka bistveno večji vpliv od rotacijskega števila. Rezultate numeričnih simulacij smo primerjali z rezultati enodimenzijskih, polizkustvenih modelov konvektivnega prenosa toplote z različnimi nastavki, ki so v praksi najpogosteje uporabljeni. V primerjavi z rezultati numeričnih analiz vsi trije uporabljeni modeli kazejo pravilno usmeritev, naboljse ujemanje pa dobimo z uporabo modela prenosa toplote skozi ravno steno.Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Letn. 49, št. 9, 2003, str. 445-457)Type of material - article, component partPublish date - 2003Language - slovenian, englishCOBISS.SI-ID - 6795035
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source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Letn. 49, št. 9, 2003, str. 445-457)
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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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Mori, Mitja | 23369 |
Novak, Lovrenc, strojnik | 22241 |
Sekavčnik, Mihael | 14342 |
Source: Personal bibliographies
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