Vpliv sušilnih parametrov na hitrost in intenzivnost obarvanja jesenovine in bukovine : magistrsko delo = Influence of drying parameters on speed and intensity of ash- and beechwood discolorations : master of science thesis
Straže, Aleš
Raziskovali smo problematiko obarvanja jesenovine (Fraxinus excelsior L.) in bukovine (Fagus sylvatica L.) v postopku tehničnega sušenja. Z različnimi metodami smo poskušali ugotoviti kritično ...območje sušenja in dejavnike, ki vplivajo na nastanek, intenzivnost in vrsto obarvanja. Izvedli smo komorsko konvekcijsko sušenje pod konstantnimi klimatskimi pogoji v temperaturnem območju od 20 do 50° C pri relativni zračni vlažnosti od 33 do 95 % do ravnovesne lesne vlažnosti. Rezultati kažejo, da obstaja širše kritično območje vlažnosti lesa, od približno 45 %pa vse do 20 %, v katerem prihaja ob nizki sušilni hitrosti in povišani temperaturi sušenja do obarvanj. Intenzivnost obarvanja v kritičnem vlažnostnem območju narašča s povečanjem temperature in relativne vlažnosti zraka v komori ter trajanja sušilnega postopka, neodvisno od predhodne termične in kemične obdelave.
Type of material - master's thesis
; adult, serious
Publication and manufacture - Ljubljana : [A. Straže], 2000
Knjižnica BF za lesarstvo MD 0000000070 IN: 020000287
Knjižnica BF za lesarstvo MD 70 IN: 020000287
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