Vpliv temperature na sorpcijske karakteristike lesa : diplomsko delo (visokošolski strokovni študij) = Influence of temperature on sorption characteristic of wood : graduation thesis (higher professional studies)
Jene, Robert
Higroskopnost lesa je glavni razlog delovanja lesa v spreminjajočih se klimatskih razmerah. V postopkih predelave in obdelave, predvsem pri povišanih temperaturah, pa se higroskopske lastnosti lesa ...tudi spremenijo. S termično obdelavo lesa pri 3 temperaturah (T1=20 °C, T2=100 °C in T3=180 °C) in z 2 trajanjema pregrevanja (t1=5 min. in t2=10 min.) smo na vlažnih (Uz=18 %) in suhih (Uz=6,5 %) vzorcih proučevali vpliv na sorpcijske značilnosti, kot se odražajo v doseganju ravnovesnih vlažnosti v postopkih desorpcije in adsorpcije na 5 stopnjah relativne zračne vlažnosti(20 %, 33 %, 44 %, 65 % in 88 %). Kot ststistično značilni dejavnik na celotnem higroskopskem območju so se izkazale razlike med adsorpcijo in desorpcijo, temperatura, in pri visokih vlažnostih tudi čas toplotne obdelave. Začetna vlažnost vzorcev na sorpcijske lastnosti ni vplivala statistično značilno. Za izris sorpcijskih krivulj smo eksperimentalnim podatkom prilagodili Dentov matematični model.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [R. Jene], 2004
Knjižnica BF za lesarstvo vsn 0000000074 IN: 020040082
Knjižnica BF za lesarstvo vsn 74 IN: 020040082
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