椰子壳和肯纳夫纤维作为隔热材料的热性能研究

Q3 Chemical Engineering
Nik Kechik Mujahidah Nik Abdul Rahman, Syamimi Saadon, Raja Eizzuddin Shah Raja Muhammad Azhan Shah, Abd Rahim Abu Talib, Ezanee Gires, Hanim Salleh, Nasser Abdellatif
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引用次数: 0

摘要

废热占工业能源使用量的 20-50%,东南亚的废热处理量达 4000 万吨油当量。热量损失,尤其是发动机中的热量损失会降低效率,因此对减少热量损失和提高热性能进行了大量研究。目前正在研究回收低品位能源的热回收系统,但适合低温废热且经济有效的系统并不多。本研究的目的是开发用于隔热的低导热性农基材料,并研究农基材料对传热速率的影响。本实验中使用的农基材料是椰子壳和槿麻纤维,因为它们的导热系数实际上很低。试样采用两种不同的方法制备,分别是针刺法和纤维-树脂混合法。实验结果表明,用树脂增强的椰壳纤维(CHER)的导热系数最低,为 0.0410 W/m.K,总传热率最低,为 2.85 W,因此是一种理想的低温应用隔热材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermal Performance Study on Coconut Husk and Kenaf Fibre as Thermal Insulation Materials
Waste heat accounts for 20-50% of industrial energy use, with Southeast Asia processing 40 million tonnes of oil equivalent. Heat losses especially in engines can reduce efficiency, leading to extensive studies to reduce heat loss and improve thermal performance. Heat recovery systems are being studied for recovering lower-grade energy, but not many of them are suitable and economically effective for low temperature waste heat. The objectives of this study are to develop low thermal conductivity agricultural-based material for thermal insulation and investigate the agricultural-based materials' impact on heat transfer rate. The agricultural-based materials that were used in this experiment were coconut husk and kenaf fibre due to their practically low thermal conductivity. The specimens were prepared using two different methods which were needle felting method and fibre-resin blending method. The experiment revealed that coconut husk fibre reinforced with resin (CHER) has the lowest thermal conductivity value of 0.0410 W/m.K and the lowest overall heat transfer rate of 2.85 W, making it an ideal thermal insulation material to be used for low-temperature applications.
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来源期刊
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
2.40
自引率
0.00%
发文量
176
期刊介绍: This journal welcomes high-quality original contributions on experimental, computational, and physical aspects of fluid mechanics and thermal sciences relevant to engineering or the environment, multiphase and microscale flows, microscale electronic and mechanical systems; medical and biological systems; and thermal and flow control in both the internal and external environment.
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