Kinematic characterization of the pressure-dependent PCM impregnation process for radiata pine wood samples |
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Authors: | Diego A Vasco Carlos Salinas-Lira Ignacio Barra-Reyes Diego M Elustondo |
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Affiliation: | 1.Departamento de Ingeniería Mecánica,Universidad de Santiago de Chile,Santiago,Chile;2.Departamento de Ingeniería Mecánica,Universidad del Bío-Bío,Concepción,Chile;3.Department of Engineering Sciences and Mathematics,Lule? University of Technology,Skellefte?,Sweden |
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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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