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Author(s):	Brombacher, Volker; Franco, Michel; Krug, Detlef; Torres U., Marco; Niemz, Peter
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Abstract:	An industriell und im Labor unter Variation der Zerfaserungsbedingungen hergestelltem Faserstoff und an Faserdämmplatten wurden das Feuchteverhalten und die Wärmeleitfähigkeit bestimmt, um das Dämmverhalten der Faserplatten zu optimieren. Es konnte ein Einfluss des Zerfaserungsdruckes auf die Schüttdichte und die Wärmeleitung nachgewiesen werden. Mit zunehmendem Zerfaserungsdruck steigen die Schüttdichte und die Wärmeleitfähigkeit. Dies korreliert mit der Fasergeometrie. Durch die Zerfaserungsbedingungen kann zudem die Gleichgewichtsfeuchte beeinflusst werden. Mit steigendem Druck sinkt die Gleichgewichtsfeuchte. Investigations on improving wood fiber insulation boards depending on mechanical pulping conditions. In the present paper the moisture behaviour and the thermal conductivity of fiberboards and fibres from industrial production and laboratory samples were measured to improve the insulation properties. The bulk density and the thermal conductivity were found to be dependend on the pressure of the pre-heating unit. With increasing pressure the bulk density and accordingly the thermal conductivity increased too. In addition the results showed that by varying the pressure the moisture content was influenced. With increasing pressure the moisture content decreased.
Source:	Bauphysik 38 (2016), No. 5
Page/s:	298-308
Language of Publication:	German

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