Abstract
This paper reports on the properties of Pinus radiata wood impregnated with an organic phase change material (O-PCM). The tests are aimed at characterizing the kinetics of impregnation (rates, flows, and fronts) and the thermophysical properties (thermal conductivity and specific heat). In particular, a paraffin type O-PCM (octadecane) is used to impregnate dry radiata pine wood in the tangential flow direction at four manometric pressures (0, 1, 2, and 3 bar) and constant temperature of 50 °C. The wood is sapwood from 12-year old P. radiata growing in the Bío-Bío region and dimensioned according to Chilean standard for treated wood sample extraction. The results show that it is viable to impregnate P. radiata wood with O-PCM to improve its thermophysical properties with the purpose of passive conditioning.
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This work was funded by the CONICYT/Fondecyt 11130168 and the TSTTM-UBB Research Group.
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Vasco, D.A., Salinas-Lira, C., Barra-Reyes, I. et al. Kinematic characterization of the pressure-dependent PCM impregnation process for radiata pine wood samples. Eur. J. Wood Prod. 76, 1461–1469 (2018). https://doi.org/10.1007/s00107-018-1335-7
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DOI: https://doi.org/10.1007/s00107-018-1335-7