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首页> 外文期刊>ASHRAE Transactions >Energy Performance, Comfort, and Lessons Learned from an Institutional Building Designed for Net Zero Energy
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Energy Performance, Comfort, and Lessons Learned from an Institutional Building Designed for Net Zero Energy

机译：能源绩效，舒适度以及从为零净能耗设计的机构建筑中汲取的教训

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This paper examines the early performance of the Varennes Library, a building designed for net-zero annual energy balance in Varennes, near Montreal, Canada. It produces electricity from a 110.5 kWp building-integrated photovoltaic (BIPV) system where heat is also recovered from a section of the array and used to preheat the outdoor air intake. The building's many architectural and mechanical features were integrally designed to achieve the net zero energy target over a five-year averaging period with several key decisions made at the early design stage. These include the shape, area, and orientation of the roof that maximizes electricity production from the B1P V (part BIPV/T [building-integrated photovoltaic/thermal with heat recovery]) system and a design layout that promotes daylight penetration and natural ventilation/free coolingduring the cooling season. In thefirstyear after inauguration, an operational energy use intensity (EUI) of 24.8 kBtu/ft~2y (78.1 kWh/m~2y) was achieved and has since been reduced to 22.20 kBtu/ft~2y (70.0 kWh/m~2y). Considering renew-ables production, the net-energy use intensity (EUI) is 4.60 kBtu/ ft~2y (14.5 kWh/m~2y). This is a 95% EUI reduction over the national institutional average and can be further reduced with additional (ongoing) commissioning efforts. Suggested improvements in operation include ensuring the electricity production is optimized and any faults corrected, dimming electric lighting when daylight is sufficient, extending the hours of natural ventilation, and better utilization of the hydronic radiant slab for thermal storage using predictive controls. This paper discusses the process followed in the design of the library, its key features, its early performance, and some of the lessons learned.
机译：本文研究了Varennes图书馆的早期性能，该建筑物位于加拿大蒙特利尔附近的Varennes，旨在实现年度净零能源平衡。它通过110.5 kWp的建筑集成光伏（BIPV）系统发电，该系统还从阵列的一部分回收热量，并用于预热室外进气口。建筑物的许多建筑和机械特征经过整体设计，可以在五年平均期内实现净零能耗目标，并在早期设计阶段做出了一些关键决定。其中包括屋顶的形状，面积和方向，以最大程度地利用B1P V（BIPV / T [建筑一体化光伏/热能（带热量回收））系统]发电，并且设计布局可促进日光穿透和自然通风/在凉爽季节免费冷却。开幕后的第一年，达到了24.8 kBtu / ft〜2y（78.1 kWh / m〜2y）的运行能量使用强度（EUI），此后降低到22.20 kBtu / ft〜2y（70.0 kWh / m〜2y）。 。考虑到可再生能源的生产，净能源使用强度（EUI）为4.60 kBtu / ft〜2y（14.5 kWh / m〜2y）。这比全国机构平均值降低了95％的EUI，并且可以通过额外的（正在进行的）调试工作进一步降低。建议的操作改进包括确保优化电力生产并纠正任何故障，在日光充足时调暗电照明，延长自然通风时间以及使用预测性控制更好地利用水力辐射板进行蓄热。本文讨论了库设计中遵循的过程，其主要功能，早期性能以及一些经验教训。

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  • 来源
    《ASHRAE Transactions》 |2019年第1期|682-695|共14页
  • 作者

    Vasken Dermardiros; Andreas K. Athienitis; Scott Bucking;

  • 作者单位

    Department of Building, Civil and Environmental Engineering at Concordia University, Montreal, Quebec, Canada;

    Department of Building, Civil and Environmental Engineering at Concordia University, Montreal, Quebec, Canada;

    Building Information Modelling in the Department of Civil and Environmental Engineering and the Azrieli School of Architecture and Urbanism at Carleton University, Ottawa, Ontario, Canada;

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