Anzeige
Erschienen in:
01.04.2003 | Original Article
Experimental investigation of jet drying of birch and spruce veneers and modelling with a simplified approach
Erschienen in: European Journal of Wood and Wood Products | Ausgabe 2/2003
EinloggenAktivieren Sie unsere intelligente Suche, um passende Fachinhalte oder Patente zu finden.
Wählen Sie Textabschnitte aus um mit Künstlicher Intelligenz passenden Patente zu finden. powered by
Markieren Sie Textabschnitte, um KI-gestützt weitere passende Inhalte zu finden. powered by
Abstract
The paper presents experimental results of jet drying tests of birch ( Betula pendula) and spruce ( Picea abies) veneers at temperatures of 140°C and 190°C. Results include drying rates for 1.5 mm thick birch veneers as well as 1.5 mm and 2.6 mm thick spruce veneers of both heartwood and sapwood. Based on the test results, material parameter values for a simplified drying model are assessed. The model is based on the use of an effective diffusion coefficient and an effective surface emission coefficient, which values are calibrated to fit to the experimental results. It is observed, that separate model parameter sets are needed for the two different species but also for occurrence of heartwood or sapwood (spruce) and different thickness values of veneers.