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Effectiveness of air-well type courtyards on moderating thermal environments in tropical Chinese Shophouse

机译：气井式庭院对热带中国店铺热环境缓和的作用

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In Southeast Asia with tropical climates, Chinese Shophouse (CSH) as a type of vernacular architecture is usually equipped with small intermediate air-well type courtyards, also known as Tianjin', to moderate the indoor thermal environment. This paper investigates the effectiveness of air-well type courtyards as passive design strategies on moderating indoor thermal environments in two CSHs located in Malacca, Malaysia. The study used a field survey and a CFD simulation. Statistical analyses of indoor air temperature and heat index (HI) measured at different locations of the CSHs show that intermediate spaces next to the air-wells had significantly lower air temperature and HI. Cross ventilation through the openings on the walls and air-wells resulted in a significantly lower normalized mean age of air and higher air velocity. The air-well is a suitable passive design strategy to reduce overheating during daytime and to increase cooling of building structure during night-time. The air-well courtyards should be arranged in alignment with the prevailing wind to maximize the cross ventilation and passive cooling.
机译：在热带气候的东南亚，中国商店（CSH）作为一种乡土建筑，通常配备小型中间气井式庭院（也称为天津），以缓解室内热环境。本文研究了气井式庭院作为被动设计策略对缓解马来西亚马六甲两个CSH的室内热环境的有效性。该研究使用了现场调查和CFD模拟。对CSH的不同位置处测量的室内空气温度和热指数（HI）的统计分析表明，靠近气井的中间空间的空气温度和HI明显较低。通过墙壁和气孔上的开口的交叉通风导致显着降低的标准化空气平均年龄和较高的空气速度。气井是一种合适的被动设计策略，可减少白天的过热并在夜间增加建筑结构的冷却。气井庭院应与盛行风对齐，以最大程度地增加交叉通风和被动冷却。

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