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One-year simulation of a solar wood dryer with glazed walls in a Moroccan climate
Renewable Energy ( IF 8.7 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.renene.2020.03.131
Naoual Bekkioui , Sarra El hakiki , Abdeljalil Rachadi , Hamid Ez-Zahraouy

Abstract A one-year numerical simulation of a solar wood dryer with glazed walls in a Moroccan climate was developed. This simulation was used to predict detailed and temporal distributions of wood moisture content (MC) and to study the mechanisms and parameters involved in solar wood drying. Calculations were performed for thuya wood (Tetraclinis articulate), which is primarily used in marquetry in the city of Essaouira and is well-known for its aesthetic qualities. Comparisons between the theoretical results and both experimental data and the results reported in pertinent literature were also performed and the results obtained via computer simulation agreed well with the experimental values. Analyses of the studied wood revealed that 15 drying cycles could be achieved within a year for an air velocity of 1 m/s and that the drying process was faster during the hot seasons than in cold seasons (430 h vs. 600 hr). Continued ventilation reduced the drying time, thereby increasing the number of drying cycles (33 vs. 15). Additionally, increasing the air velocity by 100% resulted in more than a 100% increase in the number of drying cycles; doubling the air velocity for thicker boards also resulted in an increase in drying cycles (23 vs. 15).

中文翻译:

摩洛哥气候下带玻璃墙的太阳能木材干燥机的一年模拟

摘要 开发了摩洛哥气候下带玻璃墙的太阳能木材干燥机的一年数值模拟。该模拟用于预测木材水分含量 (MC) 的详细和时间分布,并研究涉及太阳能木材干燥的机制和参数。对 thuya 木 (Tetraclinis articulate) 进行了计算,该木主要用于索维拉市的镶嵌工艺,以其美学品质而闻名。还对理论结果与实验数据和相关文献报道的结果进行了比较,通过计算机模拟获得的结果与实验值非常吻合。对所研究木材的分析表明,对于 1 m/s 的空气速度,一年内可以实现 15 次干燥循环,并且炎热季节的干燥过程比寒冷季节更快(430 小时与 600 小时)。持续通风减少了干燥时间,从而增加了干燥周期数(33 对 15)。此外,将风速提高 100% 会导致干燥循环次数增加 100% 以上;将较厚板的空气速度加倍也导致干燥周期增加(23 对 15)。
更新日期:2020-08-01
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