Abstract
Through the practical measurement and theoretical calculation of the indoor thermal parameters about the existing new rural building in Chengdu, this paper concludes that the indoor thermal environment of Chengdu is very poor. In addition, we propose an energy saving improvement scheme according to the “Design Standard for Energy Efficiency of Rural Residential Buildings” GB/T50824-2013 and the local characters of Chengdu. We also simulate the indoor thermal environment of existing new rural building and improved building using Design-Builder software. As compared with the existing new rural building, we know that the improved building has greatly improved in the indoor thermal environment. The indoor average temperature decreases 2°C-6°C in summer and rises 2°C -7.7°C in winter. As to the humidity between 30% and 60%, the rise rate of each room reaches above 12.9% in summer and reaches 28.8% in winter. The rise rate of PMV index of -1 to +1 reaches above 68.4% in summer and 54.4% in winter from below 20%. The improved building meets the living requirements for local resident in most time.
Highlights
After the presentation of the “three agricultural problems” on the “eleventh five-year plan” and the “twelve-five plan” have put a new socialist countryside construction as the country’s major strategies
Statistics show that building energy consumption accounts for more than 30% of total energy consumption in China, even it takes up above 46.7% of total energy consumption if energy consumption in material production is taken into accounted
With the development of new countryside, it is significant to improve farmer’s the living conditions and the indoor thermal environment by exploring the low-cost and low-tech energy saving pattern which is suitable for the new rural building
Summary
After the presentation of the “three agricultural problems” on the “eleventh five-year plan” and the “twelve-five plan” have put a new socialist countryside construction as the country’s major strategies. Statistics show that building energy consumption accounts for more than 30% of total energy consumption in China, even it takes up above 46.7% of total energy consumption if energy consumption in material production is taken into accounted. It still presents the fast growth tendency [1,2]. The indoor thermal environment of the existing new rural building in this area is not so good and cannot meet the human comfort requirements [4,5]. With the development of new countryside, it is significant to improve farmer’s the living conditions and the indoor thermal environment by exploring the low-cost and low-tech energy saving pattern which is suitable for the new rural building
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