Proposal for optimum combination of reflectivity and insulation thickness of building exterior walls for annual thermal load in Japan
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- 作者：Jihui Yuan ; yuanjihui@hotmail.co.jp" class="auth_mail" title="E-mail the corresponding author ; Craig Farnham farnham@life.osaka-cu.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Kazuo Emura emura@life.osaka-cu.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Md Ashraful Alam alam13ocu@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Exterior walls ; Reflectivity ; Insulation thickness ; Optimization ; Thermal load ; Cost analysis
- 刊名：Building and Environment
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：103
- 期：Complete
- 页码：228-237
- 全文大小：1891 K
文摘
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Thermal loads were found for varying reflectivity and insulation thickness using New HASP/ACLD-β.
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Total cost per unit area of exterior wall was calculated.
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Reflectivity has changeover values above which increasing insulation increases cooling loads.
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Proposed optimal combination of surface reflectivity and insulation thickness for each region.
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Thermal insulation is more effective in high-latitudes and high reflection is more effective in low-latitudes.