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首页> 外文期刊>Journal of natural fibers >Thermal Properties of Raw Hemp Fiber as a Loose-Fill Insulation Material
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Thermal Properties of Raw Hemp Fiber as a Loose-Fill Insulation Material

机译：粗麻纤维作为松散绝缘材料的热性能

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摘要

The article presents the possibilities of using hemp fiber as a loose-fill insulation material. The article presents the results of research concerning raw hemp fiber obtained from the Polish crop of industrial hemp of Biaobrzeskie variety. The analysis involved evaluation of thermal conductivity in function of bulk density and air permeability, the properties important for insulation materials. The results of laboratory investigation were used to create the numerical simulation models of heat transfer in the frame wall partitions filled with hemp fibers. The study showed that with the increase of bulk density, the thermal conductivity and air permeability of material decrease. The obtained lambda values are comparable with the characteristic values for conventional thermal insulation materials. The results of heat transfer and temperature distribution reveal that hemp fibers characterize with strongly air permeance, what affects on the need for additional barriers against air filtration.
机译：本文介绍了使用大麻纤维作为松散填充绝缘材料的可能性。本文介绍了从波兰Biaobrzeskie品种的工业大麻作物中获得的粗麻纤维的研究结果。该分析涉及导热系数随体积密度和透气率的变化而评估，这对于绝缘材料很重要。实验室研究的结果被用于创建填充大麻纤维的框架墙隔板内传热的数值模拟模型。研究表明，随着堆密度的增加，材料的导热系数和透气性降低。所得的λ值可与常规绝热材料的特性值相比。传热和温度分布的结果表明，大麻纤维具有很强的透气性，这影响了对防止空气过滤的其他屏障的需求。

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