Study on Energy Efficiency of Several Different Roof Plants in Wuhan

SHENG-QIONG ZHAO, YAN-FENG HE, ZHE-MIN LI

Abstract


The green roof is developing rapidly in China now, while different roof plants have prominent influence on the effect of energy saving and cooling. This passage uses Design Builder, which is a green building simulation software based on Energy Plus computing engine, to establish a typical low-rise residential building model in Wuhan. According to the integrated software parameters and the relevant standard and specifications, the paper set the design of the residential layout, indoor staff status, air conditioning settings and other settings related to the model. The summer energy saving and cooling effect of seven different roof plants were studied in this paper. The simulation results show that the leaf area index of the plant, the thermal reflectivity of the solar radiation and the heat gain of the roof in the summer were inversely proportional to each other. Plum has the best effect on summer energy saving and cooling in seven plants, and Fatsia japonica has the best effect on summer energy saving and cooling among three kinds of shrubs.

Keywords


Green roof, Garden-style roof, Low-rise residential, Energy saving.


DOI
10.12783/dtssehs/seme2017/18031

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