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vol.10 issue3PHYSICAL AND MECHANICAL PROPERTIES OF PANEL BASED ON OUTER BARK PARTICLES OF WHITE BIRCH: MIXED PANELS WITH WOOD PARTICLES VERSUS WOOD FIBRESNATURAL TANNIN-BASED RIGID FOAMS AS INSULATION FOR DOORS AND WALL PANELS author indexsubject indexarticles search
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Maderas. Ciencia y tecnología

On-line version ISSN 0718-221X

Abstract

SALINAS, Carlos; ANANIAS, Rubén  and  RUMINOT, Pamela. PHENOMENOLOGICAL MODELING OF HIGH TEMPERATURE DRYING CURVES OF RADIATA PINE. Maderas, Cienc. tecnol. [online]. 2008, vol.10, n.3, pp.207-217. ISSN 0718-221X.  http://dx.doi.org/10.4067/S0718-221X2008000300004.

Experiments at industrial scale to show the high temperature wood drying of radiate pine were performed. After that, physical parameters of transport phenomena (global heat and mass transfer coefficients), required by the phenomenological mathematical models for the simulation of the drying process, were determined. Results of global heat transfer coefficients, experimental drying curves and simulated process were shown. It was concluded that the simulation of the drying process at high temperature of radiata pine can be satisfactorily carried out by phenomenological model based on the global mass transfer coefficient. The values of these coefficients were between 1x 10-4 and 4.2 x 10-4 kg/m2s.

Keywords : High temperature drying; drying modeling; mass transfer coefficient; Pinus radiata.

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