Evaluación del funcionamiento de un prototipo de secador solar y su influencia en el tiempo de secado en probetas de Pinus patula, en el centro de la madera de la Universidad Nacional de Loja
The green wood can suffer unfavourable changes that considerably affect its quality and consequently limit its applications. These changes include the formation of cracks and crevices. The present research work was developed in the Wood Center of the National University of Loja, located in the Fifth...
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| Formato: | bachelorThesis |
| Idioma: | spa |
| Publicado em: |
2019
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| Assuntos: | |
| Acesso em linha: | http://dspace.unl.edu.ec/jspui/handle/123456789/22932 |
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Adicionar Tag | Resumo: | The green wood can suffer unfavourable changes that considerably affect its quality and consequently limit its applications. These changes include the formation of cracks and crevices. The present research work was developed in the Wood Center of the National University of Loja, located in the Fifth Teaching Experiment "La Argelia", with the purpose of evaluating the variables involved in wood drying in a prototype solar dryer and its influence on the drying time in specimens of Pinus patula. For this research, specimens of 3 individuals were obtained. The total number of samples evaluated was 99 for the three treatments (dryer, under roof and environment). The drying time of the wood was 63 days from June to August 2019, achieving greater weight loss in the treatment of the solar dryer, followed by indoor treatment and finally to the environment. The temperature of the dryer was very variable in relation to that of the outside, and the relative humidity was more heterogeneous inside the dryer. Therefore, solar dryers are very efficient in removing water from the wood in the shortest possible time, unlike open-air drying. For this, it is recommended to continue evaluating the dryer with other species, and different origins. Keywords: solar dryer, moisture content, drying time, Pinus patula wood |
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