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首页> 外文期刊>Case Studies in Thermal Engineering >Energy related performance of manual shading devices in private offices: An occupant behavior-based comparative study using modeling approaches
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Energy related performance of manual shading devices in private offices: An occupant behavior-based comparative study using modeling approaches

机译：私人办公室中手动着色装置的能量相关性能：使用建模方法的基于乘员行为的比较研究

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This paper aims to answer whether and to what extent energy standard based shade assumptions over predict energy and economic performance for the hot summer and cold winter zone of China using modeling approaches. Occupant behaviors on shade action, occupancy and related lighting, office equipment and heating/cooling operation were considered and the energy and economic performances of manual shades were compared with standard assumption. Results show that annual energy uncertainty is significant, indicating a high uncertainty of energy performance. Standard assumption about occupant behavior adopted by building energy codes leads to an over prediction of energy saving by about 3 times compared with behavioral models. An interesting finding is that using manual shades may result in an energy increase (the probability is 7.26%) rather than energy saving. Meanwhile, net present value analysis shows that there is a significant overestimation of economic performance by shade behavior model alone as compared to occupancy plus shade models, and may lead to a biased economic prediction or even an inappropriate design decision on manual shades. A proposed shade behavior improvement strategy shows that it not only has a more robust shading performance but also a lower energy demand.
机译：本文旨在回答能源标准的涵盖在多大程度上以及如何利用建模方法预测中国炎热夏季和寒冷冬季区的能源和经济表现。考虑了占领子，占用和相关照明，办公设备和加热/冷却操作的占用行为，并将手动色调的能量和经济性能与标准假设进行了比较。结果表明，年能不确定性是显着的，表明能源绩效的高度不确定性。关于建筑能源代码采用的占用行为的标准假设导致与行为模型相比大约3次的节能预测。有趣的发现是，使用手动色调可能导致能量增加（概率为7.26％）而不是节能。同时，净现值分析表明，与占用加遮阳模型相比，单独的遮阳行为模型具有显着高估经济性能，可能导致偏见的经济预测甚至对手动色调的不恰当的设计决策。建议的遮阳行为改善策略表明，它不仅具有更强大的遮荫性能，而且还具有较低的能源需求。

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