BF, Dept. of Wood Technology, Lj. (BFLES)
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Vpliv poškodb okenskih profilov na dinamiko navlaževanja in sušenja lesa : diplomsko delo = Influence of window profile damage on moisture performance of wood : B. Sc. thesisHeller, DorianCilj diplomske naloge je bil ugotoviti, kako površinske poškodbe vplivajo na dinamiko navlaževanja lesenih okenskih profilov. Za raziskavo smo pripravili vzorce različnih lesenih okenskih profilov s ... površinskimi razami in poškodbami toče ter jih v časovnem obdobju dveh mesecev izpostavili tedenskemu ciklu, sestavljenem iz 4 faz (izpostavitev visoki zračni vlažnosti, sušenje, simulacija dežja, sušenje). Po vsaki fazi cikla smo vzorcem izmerili maso in vlažnost. Analizirali smo tudi barvne spremembe površine. Cilj naloge je bil tudi ugotoviti, kako določene površinske poškodbe vplivajo na razvoj gliv modrivk in plesni. Drugi skupini enako pripravljenih vzorcev, izpostavljenih v klimi z visoko relativno zračno vlažnostjo, smo vsak teden izmerili maso ter opazovali razvoj plesni in gliv modrivk na površini. Ugotovili smo, da površinske poškodbe ne vplivajo na spremembo barve. Kontrolni vzorci brez površinskega premaza so imeli največje barvne spremembe. Hipoteza, da bodo vzorci poškodovanih lesenih okenskih profilov imeli višjo vlažnost, kot referenčni nepoškodovani vzorci, je bila pravilna, saj so pri vsaki izpostavitvi visoki vlagi vzorci s poškodbami dosegali višje vrednosti. Poškodbe niso vplivale na končno vlažnost po sušenju. Poškodbe zaradi toče so najbolj vplivale na dinamiko navlaževanja. Druga hipoteza, da se bodo pod poškodovanim zaščitnim filmom prej pojavile glive modrivke kot pod nepoškodovanim zaščitnim filmom, je bila pravilna, saj so se hife najprej pojavile na poškodovanih območjih.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [D. Heller], 2021Language - slovenianCOBISS.SI-ID - 73033987
Author
Heller, Dorian
Other authors
Humar, Miha |
Kržišnik, Davor |
Petrič, Marko, 1962-
Topics
les |
dinamika navlaževanja |
vlažnost lesa |
glive modrivke |
plesni |
wood |
moisture dynamics |
moisture content |
staining fungi |
mould
Call number – location, accession no. ... |
Copy status | Reservation |
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Knjižnica BF za lesarstvo du1 0000000115 IN: 020210056 Knjižnica BF za lesarstvo du1 115 IN: 020210056 |
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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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Heller, Dorian | |
Humar, Miha | 19106 |
Kržišnik, Davor | 37425 |
Petrič, Marko, 1962- | 00395 |
Source: Personal bibliographies
and: SICRIS
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