适度的交流使用可以减少室内和室外环境之间的热差异
Hong Wei1, Bin Chen2,3,4, Kangning Huang5
1Ministry of Education Ecological Field Station for East Asian Migratory Birds, Department of Earth System Science, Institute for Global Change Studies, Tsinghua University, Beijing 100084, China.
空调 (AC) 降低室内热量,但使室外热量恶化,使电网疲劳. 优化交流使用,如减少冷却区域,可以降低能源需求,减轻室外变暖,平衡舒适性和可持续性.
科学领域:
- 城市气候学 城市气候学
- 建筑能源系统 建筑能源系统
- 适应气候变化 适应气候变化
背景情况:
- 气候变化加剧了城市热情事件,增加了对空调 (AC) 的依赖.
- 交流使用在室内热舒适度和室外热压力之间产生冲突,对平衡这些方面的科学指导有限.
- 由于能源需求和基础设施高,大城市面临着独特的挑战.
研究的目的:
- 为了研究室内热舒适度和室外热的影响之间的权衡.
- 开发和应用结合建模方法来模拟大城市的交流影响.
- 确定优化交流电能消耗和减轻负面环境影响的战略.
主要方法:
- 结合建模,将天气研究和预测 (WRF) 与建筑能源模型 (BEM) 集成在一起.
- 模拟多个交流使用场景在重庆,中国.
- 对室内温度,室外热舒适度和电力需求的分析.
主要成果:
- 空调可显著降低室内温度 (高达18°C),但会导致夜间室外变暖 (2-2.5°C),并降低热舒适度.
- 室内温度提高2°C可以减轻室外温度高达1°C,特别是在密集的区域.
- 减少空间冷却分数 (高达50%) 和实施时间交流时间表对于降低高密度社区的能源消耗是有效的.
结论:
- 为了平衡室内舒适度和室外热量,需要谨慎的交流管理策略.
- 优化交流使用,特别是在密集的城市地区,对于能源效率和减轻城市热量至关重要.
- 重新评估能源弹性和促进热均等对于可持续的城市气候战略至关重要.
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