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应用于建筑墙体的气凝胶基纤维增强保温砂浆的综合性能评估

Integrated Performance Evaluation of Aerogel-Based Fibre-Enhanced Thermal Renders Applied on Building Walls.

作者信息

Pedroso Marco, Silvestre José Dinis, Gomes Maria da Glória, Hawreen Ahmed, Bersch Jéssica D, Flores-Colen Inês

机构信息

Civil Engineering Research and Innovation for Sustainability (CERIS), Departamento de Engenharia Civil, Arquitetura e Ambiente (DECivil), Instituto Superior Técnico (IST), Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal.

Department of Highway and Bridge Engineering, Technical Engineering College, Erbil Polytechnic University, Erbil 44001, Iraq.

出版信息

Gels. 2023 Nov 13;9(11):898. doi: 10.3390/gels9110898.

DOI:10.3390/gels9110898
PMID:37998988
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10671097/
Abstract

In this work, aerogel renders were enhanced with fibres for use in new building walls, emphasising a Mediterranean climate. The main novelty of the study relies on an integrated evaluation of the aerogel-based fibre-enhanced thermal renders from environmental, energy and economic approaches. Therefore, optimum insulation thicknesses, life cycle savings, payback periods, abiotic depletion potential from fossil fuels (ADP-ff) and global warming potential (GWP) impacts were quantified as a function of the energy consumption. The cost optimisation of aerogel-based renders enabled a reduction from 2477.4 to 1021.7 EUR∙m for the reference formulation, and the sisal-optimised render led to the best-integrated performance. A higher DD* (degree-days equivalent) led to higher optimum thicknesses (the Azores required 0.02 m and 0.01 m and Bragança 0.06 m and 0.03 m for cost-optimised and non-optimised thermal renders with sisal fibre, respectively). The optimum thickness related to the ADP-ff and GWP impacts was higher, 0.04 m for the Azores and 0.09 m for Bragança. A steeper decrease in the annual energy consumption occurred for thermal renders up to 0.02 m in the Azores and 0.04 m in Bragança. Aerogel-based fibre-enhanced thermal renders had benefits, mainly from 600 DD* onwards.

摘要

在这项工作中，气凝胶抹灰材料通过添加纤维得到增强，用于新型建筑墙体，突出了地中海气候。该研究的主要新颖之处在于从环境、能源和经济角度对基于气凝胶的纤维增强保温抹灰材料进行综合评估。因此，作为能源消耗的函数，对最佳保温厚度、生命周期节省量、投资回收期、化石燃料的非生物枯竭潜力（ADP-ff）和全球变暖潜力（GWP）影响进行了量化。基于气凝胶的抹灰材料的成本优化使参考配方的成本从2477.4欧元·平方米降至1021.7欧元·平方米，剑麻优化的抹灰材料具有最佳的综合性能。更高的度日当量（DD*）导致最佳厚度更高（亚速尔群岛使用剑麻纤维的成本优化和非优化保温抹灰材料分别需要0.02米和0.01米，布拉加需要0.06米和0.03米）。与ADP-ff和GWP影响相关的最佳厚度更高，亚速尔群岛为0.04米，布拉加为0.09米。在亚速尔群岛，保温抹灰材料厚度达到0.02米，在布拉加达到0.04米时，年能源消耗下降更为显著。基于气凝胶的纤维增强保温抹灰材料具有优势，主要从600 DD*起显现。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/934fbfbfdcde/gels-09-00898-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/f140617091d4/gels-09-00898-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/742904904d1f/gels-09-00898-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/012e7a647a35/gels-09-00898-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/1c6ee2a97d25/gels-09-00898-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/44275e965511/gels-09-00898-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/36127585d119/gels-09-00898-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/fa26ca7f3ab5/gels-09-00898-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/934fbfbfdcde/gels-09-00898-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/f140617091d4/gels-09-00898-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/742904904d1f/gels-09-00898-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/012e7a647a35/gels-09-00898-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/1c6ee2a97d25/gels-09-00898-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/44275e965511/gels-09-00898-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/36127585d119/gels-09-00898-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/fa26ca7f3ab5/gels-09-00898-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e47d/10671097/934fbfbfdcde/gels-09-00898-g008.jpg

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Current Trends in Aerogel Use in Heritage Buildings: Case Studies from the Aerogel Architecture Award 2021.气凝胶在历史建筑中的应用现状：来自2021年气凝胶建筑奖的案例研究
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Present and future Köppen-Geiger climate classification maps at 1-km resolution.目前和未来的 1 公里分辨率柯本-盖格尔气候分类图。
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Fast and Minimal-Solvent Production of Superinsulating Silica Aerogel Granulate.快速且低溶剂用量制备超绝热二氧化硅气凝胶颗粒。
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