Using nonwoven fabrics as culture mediums for extensive green roofs: physical properties and cooling effect |
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| Authors: | Jia-Hsun Li Jing-Chzi Hsieh Ching-Wen Lou Chien-Teng Hsieh Yi-Jun Pan Wen-Hao Hsing " target="_blank">Jia-Horng Lin |
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| Institution: | 1.Department of Ph. D Program in Civil and Hydraulic Engineering,Feng Chia University,Taichung City,Taiwan;2.Department of Land Management,Feng Chia University,Taichung City,Taiwan;3.Institute of Biomedical Engineering and Materials Science,Central Taiwan University of Science and Technology,Taichung City,Taiwan;4.Department of Fashion Design and Merchandising,Shih Chien University Kaohsiung Campus,Kaohsiung,Taiwan;5.Department of Material and Fiber,Oriental Institute of Technology,New Taipei,Taiwan;6.Department of Textile Engineering,Chinese Culture University,Taipei,Taiwan;7.School of Textiles,Tianjin Polytechnic University,Tianjin,China;8.Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials,Feng Chia University,Taichung City,Taiwan;9.School of Chinese Medicine,China Medical University,Taichung City,Taiwan;10.Department of Fashion Design,Asia University,Taichung City,Taiwan |
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| Abstract: | Based on the requirements of extensive green roofs, ploylactide (PLA) fibers, cotton fibers, polyester (PET), and low-melting-point LMPET fibers are combined and produced culture mediums for Crassulaceae plants. The resulting mediums are tested for their physical properties and found to be light weight, which is a required condition for plant growth. These features contribute to efficient construction and maintenance. In addition, the optimal cooling effect of the culture mediums is 9.6 °C, which significantly reduces the amount of heat that invades indoor spaces. The decrease in the amount of heat indoors results in a lower demand for air conditioning so as to achieve energy conservation. The results derived from this study help in the promotion of green roofs, thereby slowing down the urban heat island effect and global warming. |
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