来自葡萄牙的巨型芦苇作为隔热材料的潜在用途

R. Malheiro, Aurora Morilla, Adriana Ansolin, Jorge Fernandes, S. Silva, R. Mateus
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引用次数: 0

摘要

建筑行业在气候变化中扮演着重要角色。因此,迫切需要建造减少热损失的建筑,使用天然和当地材料,利用可再生能源,并在对环境影响最小的情况下确保高舒适度。芦苇被认为是碳中性和二氧化碳吸收材料,几个世纪以来一直用于各种用途。它的特性和高可用性使其成为一种流行的建筑材料,正如在葡萄牙本土建筑中看到的那样。了解芦苇的特性是确保遗产保护成功、优化这些材料和开发创新解决方案的关键一步。本文研究了利用葡萄牙不同地区的巨芦苇作为保温材料的潜力。建造了巨大的芦苇板原型(15 x 15 x 5厘米,约235 kg/m3)。根据ASTM C1363‑19,在热箱中测试了它们的热性能。结果表明,产自葡萄牙北部海岸的巨芦苇比产自其他地区的芦苇具有更好的热性能。然而,无论在哪个国家的哪个地区,它都具有令人满意的热阻(Re≥0.30 (m2.ºC)/W),可以用作建筑物的隔热材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The potential use of giant reed from Portugal as a thermal insulation material
The construction sector plays an important role in climate change. Thus, there is a pressing need to construct buildings that reduce heat losses, use natural and local materials, exploit renewable sources and ensure high comfort levels with a minimum environmental impact. Reed, considered carbon-neutral and a carbon dioxide sink material, has been used for centuries for diverse uses. Its properties and high availability made it a popular building material, as seen in Portuguese vernacular architecture. Knowing the properties of the reed is a crucial step to ensure successful heritage conservation, optimising these materials, and developing innovative solutions. This paper studies the potential of using giant reed from different Portuguese regions as a thermal insulation material. Giant reed board prototypes (15 x 15 x 5 cm, about 235 kg/m3) were built. Their thermal performance was tested in a hotbox, according to ASTM C1363‑19. The results show that the giant reed harvested on the northern coast of Portugal has better thermal performance than reeds from other regions. However, regardless of the region of the country where the giant reed was harvested, it has a satisfactory thermal resistance (Re ≥ 0.30 (m2.ºC)/W), allowing its use as a thermal insulation material in the buildings.
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