Research Optimizing Building Ventilation Performance through the Application of Trombe Walls in Regions with Hot Summers and Cold Winters: A Case Study in China

Author:

Sheng Zechao1,Zhang Guoyi1,Luo Xiaojun2,Ye Chenle1,Lin Jinhe3,Chen Zhonggou1

Affiliation:

1. Department of Landscape and Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China

2. China Construction Fifth Engineering Division Co., Ltd., Hangzhou 311300, China

3. Guangzhou Meiya Energy Storage Technology Company, Guangzhou 510000, China

Abstract

The hot-summer and cold-winter climate zone spans a large latitude, where the passive means of retrofitting the Trombe wall (TW) can be utilized to effectively improve the indoor wind environment and thermal comfort. In this study, a public building in Wenzhou, China, was selected as the object, and CFD numerical simulations and the wind environment data in spring, summer, and fall were collected through field experimental measurements. Comparative analyses were carried out to explore the adaptive strategy and effectiveness of the application of the Trombe wall on the local wind environment and climate and to quantify the improvement effect of the application of the Trombe wall on the Indoor environment. The results showed that the application of the Trombe wall in spring and fall in hot-summer and cold-winter regions could obviously increase the average indoor wind speed and the wind speed at the building outlet by 0.2–0.8 m/s and 0.9–3.6 m/s, respectively. This further effectively prolongs the indoor thermal comfort hours in spring and fall, which is a relatively applicable season, while the ventilation performance in summer is poor compared to spring and fall seasons.

Publisher

MDPI AG

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