Sustainable Skins

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Edwin is a Senior Engineer in Cundall’s Shanghai office. He is a LEED AP and CIBSE Low Carbon Consultant. He is an expert in dynamic thermal, energy and mechanical systems modelling, helping to develop low energy design strategies for a wide range of buildings, including the application of renewable energy technologies. He is particularly experienced in the field of adaptive thermal comfort, and HVAC simulation.

In this presentation Edwin puts forward the idea that locality is key, a ‘sustainable’ solution for one location can be a disaster in another. It follows a discussion on the tools of the trade, what and how you need to model in a building to produce a sustainable outcome. He also presents two unique case studies to explain the above.

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Sustainable Skins

  1. 1. Ideal  logo  posi,on  here   Sustainable Skins 可持续外墙面 Green Drinks Shanghai, 14 August 2014
  2. 2. What makes a sustainable skin? 什么是可持续外墙面? Locality and Climate 地域与气候 Case Study - One Hyde Park (UK) 案例学习 –海德公园1号(英国) Case Study - Nalanda University Competition (India) 案例学习 – 那兰达大学竞赛(印度) Sustainable Skins 可持续外墙面
  3. 3. What makes a sustainable skin? 什么是可持续外墙面 ?
  4. 4. Scary fact 令人心惊的事实 中国在过去三年的水泥量消耗量比美国在整个20世纪的消耗量还要多  
  5. 5. What makes a sustainable skin? 什么是可持续外墙面? Sustainable   Skin 可持续外 墙面   Form 组成   Func,on 功能   Materials 材料   People   人   Energy 能源  
  6. 6. Locality and Climate 地域与气候
  7. 7. Solar Exposure 日照强度
  8. 8. Climate Zones 气候区划
  9. 9. Climate Sensitive Facade – Hot 气候性外墙面 – 炎热地区 Climate sensitive – Reclaimed brick & Rammed earth building, Palestine 适合气候 - 回收砖 & 夯土建筑,巴基斯坦
  10. 10. Climate Sensitive Facade – Cold 气候性外墙面 – 寒冷地区 Climate sensitive – Passivhaus, Austrian Alps 气候影响性 – “被动式”低能耗房屋,奥地利阿尔卑斯山
  11. 11. Climate Independent Design 气候独立性设计 Modernist - ‘Oil age’ design – Shanghai, PRC 现代主义 - “石油时代”设计 – 中国上海
  12. 12. Sustainable skins? 可持续外墙面? Active 主动式节能 Double Skin 双层幕墙 Passivhaus 被动式节能 Curtain Wall 幕墙 Concrete / Bricks 混凝土 / 砖墙 Compressed Earth Bricks / Adobe 压制土砖 /土砖 Rammed earth 夯土 Existing skins 现有外墙面
  13. 13. Embodied Carbon 碳表现 PV cells (Average Monocrystallin e) Double skin - Aluminium Frame (Est) 200mm Precast Concrete Curtain walling - Aluminium Frame Curtain walling - Steel Frame Curtain walling - Timber Frame Brick + Block + Insulation Compressed Earth Blocks (Est) Rammed Earth (Est) kgCO2/m2 facade 242 210 110 105 81 70 50 10 5 0   50   100   150   200   250   300   kgCO2/m2 Embodied Carbon of Facade Constructions - kgCO2/m2 外墙面结构的碳表现
  14. 14. How do you create a sustainable skin? 怎样创造可持续外墙面?
  15. 15. Sustainable Skins 可持续外墙面 Analyse  the   climate     分析气候   Op,mise  the   envelope 优化建筑外 围护结构   Op,mise  the   systems               优化建筑系 统   Add  ‘Green’   technology 引入“绿 色”技术  
  16. 16. One Hyde Park 海德公园1号
  17. 17. Solar Exposure 日照强度
  18. 18. Access to Daylight 采光分析 Geometry 建筑结构 Daylight Factor 采光因子 Threshold Daylight Plot 采光阈值 False Colour Daylight Plot “假彩色”分布 Threshold Daylight Plot with Privacy Shades 外遮阳采光阈值 False Colour Daylight Plot with Privacy Shades 外遮阳“假彩色”分布 Threshold Daylight Plot with Privacy Shades and Internal Blinds 内外遮阳采光阈值 False Colour Daylight Plot with Privacy Shades and Internal Blinds 内外遮阳“假彩色”分布
  19. 19. Access to Daylight 采光分析
  20. 20. CFD Facade Analysis CFD幕墙分析
  21. 21. Façade 幕墙 Is it sustainable?可持续? As sustainable as it can be given the constraints of a super-luxury development. 在高档楼宇开发中最大限度融入可持续设计
  22. 22. Nalanda University 那兰达大学
  23. 23. Location Analysis 地域分析
  24. 24. Access to Daylight 采光分析
  25. 25. Façade optimisation 幕墙优化 Natural Ventilation – traditional permeable building with thermally isolated facade and roof structure to reduce conduction of heat from the sun striking facades. 自然通风 – 传统通风建筑幕墙和屋顶均隔热,以降低太阳导热量。
  26. 26. Nalanda University Competition 那兰达大学竞赛 Is it sustainable? 可持续? Energy, Waste and water neutral. 新能源、废弃物和水中和设计
  27. 27. Closing message 结束语
  28. 28. “Unmanageable complication is the enemy of good performance. So why are we making buildings technically and bureaucratically complicated in the name of sustainability, when we can’t get the simple things right?” “冗余的复杂化是优越表现的敌人。 因此我们不能只追 求技术和名义上的可持续,适宜的简单设计亦能达到效 果!” - Bill Bordass OBE, Usable Buildings Trust Sustainable Skins 可持续外墙面

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