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基于降雨模式和家庭用水需求的动态变化,研究雨水收集系统的性能时间变化
Zhonghui Liu1, Weilun Chen2, Jukui Zhang3
1Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, China.
Scientific reports
|October 9, 2024
概括
雨水收集系统 (RWHs) 的性能受到气候变化和水需求转变的影响. 根据建筑物非饮用水需求优化储尺寸对于在RWHs生命周期内保持节水效率至关重要.
科学领域:
- 环境工程 环境工程
- 城市水资源管理
- 适应气候变化 适应气候变化
背景情况:
- 雨水收集系统 (RWHs) 对于减轻城市水资源短缺至关重要.
- 随着时间的推移,气候变化和不断变化的建筑用水需求可能会影响RWH的性能.
- 现有的研究往往忽视了降水和水需求变化的综合影响对RWH效率.
研究的目的:
- 调查降水模式和家庭用水需求的同时变化对RWH节水效率的影响.
- 分析这些影响在RWH系统的25年寿命.
- 在不断变化的环境条件下,为优化RWH系统设计和实施提供数据驱动的建议.
主要方法:
- 利用了三座日本城市的历史观测数据.
- 评估了25年期间降水趋势和家庭用水需求的变化.
- 量化了对已确定的和理论上最佳的RWH节水效率的影响.
主要成果:
- 在选定的城市观察到降水趋势的增加和国内用水需求的减少.
- 报告的节水效率变化范围为 -2.90%至4.02%的既定RWH和 -2.90%至3.82%的最佳系统.
- 发现,对非饮用水需求较高的建筑物的影响更为明显.
结论:
- 在非饮用水需求较低的建筑物中的RWH系统可能会从减少的水箱尺寸中受益.
- 需要大量非饮用水的建筑物需要更大的雨水来抵消效率损失.
- 根据非饮用水需求和气候预测调整RWH系统设计,对于持续的性能至关重要.
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