Effects of green façade retrofitting on thermal performance and energy efficiency of existing buildings in northern China: An experimental study

被引：0

作者：

Qi, Sun ^{[1
]}

Utaberta, Nangkula ^{[1
]}

Kiet, Allen Lau Khin ^{[2
]}

Yanfang, Xu ^{[3
]}

Xiyao, Han ^{[4
]}

机构：

[1] UCSI Univ Malaysia, Fac Engn Technol & Built Environm, Sch Architecture & Design, Kuala Lumpur, Malaysia

[2] Taylors Univ, Sch Architecture Bldg & Design, Subang Jaya, Malaysia

[3] Shandong Jianzhu Univ, Sch Art, Jinan 250101, Shandong, Peoples R China

[4] Jilin Jianzhu Univ, Sch Int Commun, Changchun 130119, Jilin, Peoples R China

来源：

ENERGY AND BUILDINGS | 2025年 / 335卷

关键词：

Green fa & ccedil; ade; Energy saving; Building thermal performance; Plants; Indoor air temperature; FACADES; TEMPERATURE; SYSTEMS; IMPACT; WALLS; CHALLENGES; PLANTS; ROOFS;

D O I：

10.1016/j.enbuild.2025.115550

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In recent years, vertical greenery systems have gradually entered public attention, and more and more people are beginning to know it. This study aims to explore the impact of green fa & ccedil;ade retrofitting on building thermal performance and building energy consumption under hot summer conditions in northern China and to derive detailed data for future building energy efficiency retrofitting. This article used a comparative experiment to complete this research. Four laboratories of the same structure were constructed in Shandong Province, China. A movable metal frame was installed on the outside of the laboratory, and the green fa & ccedil;ades could be adjusted to direct green fa & ccedil;ades or indirect green fa & ccedil;ades according to the need of the experiment. In addition, two different plants were studied. This study was carried out under two experimental conditions: cooling and no cooling. The experiment was carried out from July to August 2024. According to the data obtained from the experiment, the green fa & ccedil;ade well reduced the surface temperature of the walls around the experimental room and the average temperature level in the room. The most significant temperature drop of 23.1 degrees C was observed on the surface of the external walls of the room with the indirect green fa & ccedil;ade covered with Parthenocissus quinquefolia. The data show that the average temperature in several experimental rooms decreased by 1-5 degrees C. The indirect green fa & ccedil;ade improves the thermal insulation of the building envelope better than the direct green fa & ccedil;ade. In the cooling experiments, the room with indirect green fa & ccedil;ades covered with Parthenocissus quinquefolia has the highest energy-saving rate of 45.75 %. However, the room with direct green fa & ccedil;ades covered with Humulus scandens only has an energy saving rate of 6.43 %.

引用

页数：16

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