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首页> 外文期刊>Journal of Energy Engineering >Enhanced Sustainable Cooling for Low Energy Office Buildings in Continental Temperate Climate
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Enhanced Sustainable Cooling for Low Energy Office Buildings in Continental Temperate Climate

机译：大陆温带气候下低能耗办公楼的增强型可持续冷却

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摘要

Developing efficient, sustainable, and affordable buildings requires combinations of passive and active measures that exploit specific onsite features. However, in temperate climates, reducing the heating demand (by south-oriented, triple-glazed curtain walls) has as a direct consequence an increased cooling demand. Using data collected over three years (2013-2015) in a mountain temperate continental climate, this paper analyzes the effect of (passive) natural night ventilation and (active) ceiling cooling on reducing the cooling demand in large office spaces in energy-efficient buildings. The results match those modeled using in-field climatic input data, whereas simulations using interpolated data lead to differences compared with experimental data. The results show that natural night ventilation decreases the cooling demand by 97% in June, and reductions of 33% are reached during the hottest month, August. When involving natural night ventilation and ceiling active cooling (heat pump in reversed mode), 88% coverage of the cooling demand is reached in August. A significant indoor temperature gradient (10 degrees C) is registered during hot days, with peak differences in early afternoon, suggesting a need for customized cooling algorithms. (C) 2017 American Society of Civil Engineers.
机译：开发高效，可持续和负担得起的建筑需要结合被动和主动措施，这些措施应利用特定的现场功能。然而，在温带气候下，减少供暖需求（通过向南的三层玻璃幕墙）会直接导致制冷需求的增加。利用在山区温带大陆性气候中三年（2013-2015）收集的数据，本文分析了（被动）自然夜间通风和（主动）天花板降温对减少节能建筑中大型办公空间的制冷需求的影响。结果与使用现场气候输入数据建模的结果相匹配，而使用插值数据进行的模拟则导致与实验数据相比存在差异。结果表明，夜间自然通风在6月使制冷需求减少了97％，在最热的月份（8月）减少了33％。当涉及自然夜间通风和天花板主动冷却（热泵为反向模式）时，八月份将达到制冷需求的88％。在炎热的天气中会出现明显的室内温度梯度（10摄氏度），而在下午早些时候则出现峰值差异，这表明需要定制的冷却算法。 （C）2017年美国土木工程师学会。

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