Thermal Ventilation: The Yard as the Base of a Chimney

A cross-section with airflow arrows. During the day, the roof and walls heat up, and hot air is expelled from high openings, while cool air is drawn into the rooms from the shaded courtyard. At night, cold air sinks and accumulates at the bottom of the courtyard, and in the early morning, it is stored in thick walls. The airflow path runs through the entire house. Avoid: making rooms sealed and relying solely on air conditioning; removing high exhaust openings; the courtyard becoming hotter than indoors; the airflow path being cut off by partitions.

Translated from Chinese by AI.

一張帶氣流箭頭的剖面。白天屋頂與牆面受熱,熱空氣從高處的開口排出,涼空氣從陰影中的庭院被吸進房間;夜裡冷空氣沉降積在院底,清晨被儲存在厚牆裡。氣流的路徑貫穿整棟房子。避免:把房間做成密閉只靠空調、拿掉高處的排氣開口、庭院被曬得比室內還熱、讓氣流路徑被隔間切斷。