Faculty of Mechanical Engineering, Lj. (FSLJ)
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Fluktuacije vodne gladine stoječega valovanja na sotočju dveh deročih tokov = Water surface fluctuations of standing waves at the supercritical confluence flowRak, Gašper ; Hočevar, Marko, strojnik, 1972- ; Steinman, FranciPri deročem toku se pogosto pojavi dvofazni tok, ki ga spremlja močno razgibana, nestacionarna vodna gladina. S klasičnimi merilnimi metodami določitev povprečnega poteka vodne gladine, posebno z ... večjo prostorsko ločljivostjo, praktično ni možna. Pri analizi sotočja dveh deročih tokov, kjer se oblikuje stoječe valovanje z veliko vertikalno dinamiko gladine, smo za meritve gladine uporabili lasersko skeniranje. Članek prikazuje, da je z obdelavo meritev te brezkontaktne merilne metode mogoče določiti tako srednji potek kot tudi fluktuacije vodne gladine. Rezultati širijo uporabo te merilne metode, ki prinaša pomembne informacije o lastnostih vodnega toka, na številna področja hidrotehnike. Prikazane so tokovne razmere na sotočju, kjer so bile iz izmerjene dinamike vodne gladine v merilnih prerezih za nabor 168 kombinacij dveh dotokov z visokimi vrednostmi Froudovih števil (2 < Fr <12) določene ovojnice vertikalnih fluktuacij vodne gladine okoli srednje vrednosti. Povezovanje več merilnih prerezov je omogočilo izdelavo razgibane ploskve vodnih gladin z več vrhovi stoječega valovanja na območju sotočja. Zanje so bile razvite fenomenološke zveze med vhodnimi parametri tokov in srednjimi višinami ter fluktuacijami vodne gladine.Source: Acta hydrotechnica. - ISSN 0352-3551 (30, [št.] 53, 2017, str. 107-120)Type of material - article, component partPublish date - 2017Language - slovenianCOBISS.SI-ID - 8268641
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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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Rak, Gašper | 29190 |
Hočevar, Marko, strojnik, 1972- | 18836 |
Steinman, Franci | 09274 |
Source: Personal bibliographies
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