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Tecnología en Marcha
Article . 2022 . Peer-reviewed
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Tecnología en Marcha
Article . 2022
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Secado de Pinus caribaea var. hondurensis utilizando radiación de microondas

Authors: Simón E. Luckert Froget; Pedro R. Benítez Díaz; Styles Will Valero; Williams J. León Hernández; Ilvania Gutiérrez Gotera;

Secado de Pinus caribaea var. hondurensis utilizando radiación de microondas

Abstract

Se desarrolló una metodología de secado para Pinus caribaea var. hondurensis, empleando horno de microondas doméstico (HMO), consistente de pulsos de radiación y períodos de enfriamiento, que consume 92% menos energía y 58% menos tiempo. Las propiedades físicas y mecánicas se midieron en condición seca al HMO, equilibrio higroscópico (EH) y secado convencional, ρverde: 1049 ± 74 kg/m3 (CH: 107 ± 18 %), ρsecaHMO: 555 ± 63 kg/m3, ρEH: 565 ± 51 kg/m3 (CH: 11,3 ± 0,8 %), Vverde: 58 ± 1 x10-6 m3 y VHMO: 51 ± 26 x 10-6 m3 y contracción volumétrica: 11 ± 3 %, no presentando diferencias significativas con respecto al secado convencional. Los valores de la compresión paralela al grano fueron: ELPHMO: 6 ± 2 x 106 kg/m2, MRHMO: 6 ± 2 x 106 kg/m2 y MOEHMO: 4 ± 1 x 108 kg/m2, ELPEH: 3,0 ± 0,5 kg/m2, MREH: 3,5 ± 0,64 kg/m2 y MOEEH: 2,3 ± 0,6 kg/m2; tampoco mostraron diferencias con respecto al secado convencional. La única alteración anatómica observada fue un aumento de agrietamientos espiralados en las paredes de las traqueidas y no parece tener repercusión sobre las propiedades evaluadas. Se concluyó que la exposición al microondas no altera las propiedades estudiadas siendo un método confiable de secado.

Keywords

propiedades mecánicas, Technology, T, moisture extraction, mechanical properties, Anatomía de madera, physical properties, radiofrecuencia, radiofrequency, propiedades físicas, Energy saving, wood anatomy, extracción de humedad, ahorro energético

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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