被动式蒸发冷却下向通风降温技术在中庭中应用的思考

Reflections on The Application of Passive Downdraught Evaporative Cooling in Atriums

被动式直接蒸发冷却下向通风降温技术是一种高效、无污染、低能耗、使用费用低廉的绿色降温技术,被认为是中庭降温的最佳技术,该文用案例分析的方法比较了以色列布劳斯坦沙漠建筑研究中心和美国凤凰城奥康纳联邦法院的中庭设计方法及其技术措施,揭示了利用相同技术为中庭降温而产生截然不同热舒适效果的原因,提出被动式建筑设计原则、适宜的技术观和以人为本的设计理念是实现绿色建筑的基础。

As an energy efficient, cost effective and no CFCs emission means for space cooling, Passive Downdraught Evaporative Cooling （PDEC） is one of the best technique for atrium cooling. Taking the Blaustein International Center for Desert Studies and the O＇Connor Federal Courthouse as case studies, the design methods and technologies are compared, the reasons of the difference thermal comfort between the two buildings are explained. The paper presents that the principle of passive architecture design, the view of appropriate technology and the design idea of people oriented are the elements of green buildings.