魔芋葡甘聚糖/淀粉气凝胶的吸热性能评价

IF 2.4 4区工程技术 Q3 ENERGY & FUELS

International Journal of Low-carbon Technologies Pub Date : 2023-03-23 DOI:10.1093/ijlct/ctad003

Hong Qian, Jiaren Yang, B. Peng, Fangfang Mi, Wenjing Li, Sicong Yan, Juanli Wang, Fatang Jiang

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引用次数: 0

摘要

多糖基气凝胶在吸热方面显示出巨大的潜力，但缺乏对其吸热性能的综合评价体系。为了充分评价其吸热性能，采用魔芋葡甘聚糖（KGM）/淀粉气凝胶对其吸热性能进行了研究。研究发现，样品的吸热能力归因于样品在高温下的热塌陷。气凝胶的组成、结构、尺寸和质量会对其HAP产生影响。在相同体积下，醋酸纤维素（CA）气凝胶的HAP性能优于KGM/淀粉气凝胶。然而，在相同质量下，KGM/淀粉气凝胶的性能优于CA。这些结果与热导率分析仪的结果一致，表明该系统有潜力全面评估气凝胶的HAP。

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Evaluation of the heat absorption performance of konjac glucomannan/starch aerogel

Polysaccharide-based aerogels show great potential in heat absorption, but it lacks comprehensive evaluation system for their endothermic properties. To fully assess their endothermic properties, konjac glucomannan (KGM)/starch aerogel was used and its heat absorption performance (HAP) was investigated. It was found that the heat absorption ability of the samples was attributed to thermal collapse of the samples at high temperature. The composition, structure, size, and mass of aerogels would have effect on their HAP. The cellulose acetate (CA) aerogel showed better HAP than KGM/starch aerogel with the same volume. However, the performance of KGM/starch aerogel excelled CA under the same mass. These results were in accordance with the results obtained by thermal conductivity analyzer, which indicated the potential of the system to evaluate the HAP of the aerogels comprehensively.

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来源期刊

International Journal of Low-carbon Technologies Engineering-Architecture

CiteScore

4.30

自引率

4.30%

发文量

106

审稿时长

27 weeks

期刊介绍： The International Journal of Low-Carbon Technologies is a quarterly publication concerned with the challenge of climate change and its effects on the built environment and sustainability. The Journal publishes original, quality research papers on issues of climate change, sustainable development and the built environment related to architecture, building services engineering, civil engineering, building engineering, urban design and other disciplines. It features in-depth articles, technical notes, review papers, book reviews and special issues devoted to international conferences. The journal encourages submissions related to interdisciplinary research in the built environment. The journal is available in paper and electronic formats. All articles are peer-reviewed by leading experts in the field.