新兴技术：加强可持续制冷服务应对极端高温.pdf

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1、Emerging Technologies:Strengthening Access to Sustainable Cooling in Response to Extreme Heats Yosr Allouche International Institute of Refrigeration(IIR)Green Cooling Summit 2025,20 21 May 2025Emerging Technologies:The holistic approach of District Cooling18Green Cooling Summit 2025,20 21 May 2025N

2、ew Administrative Capital.11 Centrifugal Chillers 3300 RT each and 10 absorption Chillers(1250 RT each).50 000 RT capacity 64 000Serving Gov,financial and+180 administrative buildings The Largest District Cooling Plant in Africa is in EGYPT Energy efficiency Reduced environmental impact Operational

3、reliability 19Green Cooling Summit 2025,May 20-21Emerging Technologies:From Macro to Micro Cooling Solutions Reduce the urban heat island effect increase surface T by 5-24C(Design,nature based solutions)An integrated approach to reduce:Need for active cooling Refrigerant consumption Electricity cons

4、umption and reduced costs for the consumer GHG emissions(direct and indirect)Need to expand the grid Improved insulation,reflective surfaces,shading(nature and building design),natural ventilation,orientation,.)Innovative and efficient cooling technologies*UNEP Global cooling Watch 202320Green Cooli

5、ng Summit 2025,May 20-21Emerging Technologies:Passive Cooling is both about Architecture and Engineering In residential buildings In commercial buildings Heat prevention:solar control measures:shading,glazing,ventilation.Heat modulation:building materials,insulationBuilding Energy Codes:Passive cool

6、ing techniques can reduce up to 24%of the AC demand UNEP.Heat dissipation:Reflective surfaces,heat sinks(air,water,sky)ArchitectureEngineering21Green Cooling Summit 2025,May 20-21Emerging Technologies:Passive Cooling:Architectural Inspirations from Vernacular buildings Wind catch