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Vpliv vlažnosti na dielektrične lastnosti lesa
ID Jošt, Matej (Author)

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MD5: F81D15759C64D0E8A92C5742D87BEBF7
PID: 20.500.12556/rul/5709de16-961b-484b-82bd-d75e784298c8

Abstract
V članku je predstavljen vpliv vlažnosti lesa na dielektrične lastnosti bukovine (Fagus sylvatica L.) in smrekovine (Picea abies L.). Diskastim preskušancem smo pri različnih vlažnostih izmerili dielektrične lastnosti. Meritve smo izvedli pri devetih frekvencah elektromagnetnega polja (2, 3, ...,10 MHz). Vse meritve smo opravili pri sobni temperaturi z impedančnim analizatorjem HP 4191A RF po metodi z mikrometrom, na katerega sta bili pritrjeni diskasti kovinski elektrodi. Ugotovili smo, da dielektrična vrednost narašča z vlažnostjo lesa in pada z višanjem frekvence elektromagnetnega polja.

Language:Slovenian
Keywords:vlažnost lesa, dielektrične lastnosti lesa, visoka frekvenca
Work type:Not categorized
Typology:1.02 - Review Article
Organization:BF - Biotechnical Faculty
Publisher:Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije
Year:2005
Number of pages:Str. 251-253
Numbering:Let. 57, št. 7/8
PID:20.500.12556/RUL-60470 This link opens in a new window
UDC:630*812.159
ISSN on article:0024-1067
COBISS.SI-ID:1326985 This link opens in a new window
Publication date in RUL:10.07.2015
Views:1375
Downloads:210
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Record is a part of a journal

Title:Les
Shortened title:Les
Publisher:Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije, Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije, Biotehniška fakulteta, Oddelek za lesarstvo, Založba Univerze, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:0024-1067
COBISS.SI-ID:13940224 This link opens in a new window

Secondary language

Language:English
Title:Effect of moisture content on the dielectric properties of wood
Abstract:
In this article, the effect of moisture content on the dielectric properties of beech (Fagus sylvatica L.) and spruce (Picea abies L.) is presented. Dielectric properties of wood disks were measured at different moisture content. Measurements were performed at nine various frequencies of electromagnetic field(2, 3, ..., 10 MHz) and at room temperature, with impedance analyser HP 4191 A RF, using method by a micrometer screw with circular parallel electrodes. It was found out that dielectric constant of wood increases by increasing the moisture content of wood and decreases with increasing of frequency.

Keywords:moisture content of wood, dielectric properties, high frequency

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