建筑能效评价与节能技术.ppt

Green Buildings: Energy Efficiency Performance and Energy-Saving Technologies 建筑能效评价与节能技术 Contents (continued) Background EU Building Energy Efficiency China Building Energy Efficiency Comparison of Cases in　EU and China Contents 5. Energy-saving Technologies 6. Summary 7. Discussions Background (1) Significance Necessirity What to be done How to do When Where ---Principles, Methodologies, Demonstration, Standards, Implementation and local expansion, improvement, and national expansion Green Buildings—Farmost Goal almost unachievable --Materials used: Green --Energy consumed: minimised with fossil fuels --Indoor Environmental quality: comfort, healthy, productivitive --Mobility: flexible, convenient, space used to the maximum degree --Visible Amenity: design for art Difficult to achieve But, something can be done? 我国建筑能耗 Trends? 30-35% of total energy consumed Still increased? 2 billion tonnes in 2005 Still increased? 建筑竣工面积 China: Energy Security Oils imported increased quickly (120, 140, 145) Coal: heavily on coal, risks on coal exploration safety, bottleneck to transportation, environmental pollution associated Natural gas: very limited Interesting and Promising? Energy Efficiency in buildings: low Technologies available Awarenss compaign: on going well Building Energy Efficiency 建筑使用过程中的用能 采暖空调、生活热水、炊事、照明、电梯、电器; Heating/Cooling/Air Conditioning, Domestic hot water, Cooking, Lighting, Elevator, Appliances 影响建筑能耗的物理链 Energy Performance 2001年4月EU parliament: 指导意见的提案， 2002年12月,推出文件2002/91/EC，EnPeR[1]-TEBuC[2]工程的研究报告。 Meet the challenges: Energy security and global warming Effect---Bulding Sectors and Transportation [1] Energy Performance Regulation [2] Towards a European Building Code EP 建立起计算建筑物整体能耗性能的通用方法的总框架。 新竣工的建筑物使用能耗的最低标准，标准对于旧建筑物的扩建改造同样适用。 新造的和旧有的所有建筑物建立基于以上标准的能耗性能认证体系并加以公示。对公用建筑、私有建筑和公众常用建筑推荐室内温度和其他相关气候指标。 锅炉和其他冷热源设备做检查和评估。 能耗性能计算规则 (1) 动态模拟计算--施工图纸对能耗及热性能做出预测--标准--预测结果--能耗和热舒适指标--建筑能耗性能标准。 (2) 计算能耗性能的第一步是输入描述建筑物和它内部的技术装置的相关数据。