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The Economic Benefits Analysis on Rural Energy-Saving Housing of Northern China-A Case Study of Woniuhe New Rural Construction, Zhalantun City, China

机译:北方农村节能住宅的经济效益分析-以扎兰屯市沃牛河新农村建设为例

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The construction of rural houses in severe cold regions is mainly the personal way with self-raised and self-built, lacking of the professional design and guidance. Survey shows that villagers pay more attention to the construction cost, resulting in the energy conservation measures rarely applied in the new houses or existing buildings reform because of the additional investment and the building heating consumption increased significantly. This paper aims to investigate the economic benefits of Woniuhe new rural house, which applied several energy saving measures in terms of building shape, functional layout and envelop structure. On the basis of calculating the energy saving house’s additional investment and saving cost for heating, the method of dynamic economic analysis was adopted to calculate the dynamic payback period under different growth rate of energy price and energy saving rate in life cycle, It turn out that energy-saving house has well economic benefit in the long turn, and the additional investment can be withdrawn in about eight years. Meanwhile, the field measurement was used to verify the advantages of energy saving house in the indoor thermal environment, the results shows that in winter the energy saving house presents high temperature, in the bedroom about 4-5°C higher than traditional house, and the internal surface temperature of exterior walls and ceiling is always higher than the dew point temperature.
机译:严寒地区农村房屋的建设主要是自筹自建的个人方式,缺乏专业的设计和指导。调查显示,村民更加注重建筑成本,由于新增投资和建筑物采暖量的显着增加,导致在新房或既有建筑改造中很少采用节能措施。本文旨在研究沃牛河新农村房屋的经济效益,该房屋采用了几种节能措施,包括建筑形状,功能布局和围护结构。在计算出节能住宅的新增投资和供暖节约成本的基础上,采用动态经济分析的方法,计算出能源价格和生命周期内节能率不同的情况下的动态投资回收期。从长远来看,节能住宅具有良好的经济效益,额外的投资可以在大约八年内收回。同时,通过现场测量验证了节能住宅在室内热环境中的优势,结果表明,冬季节能住宅呈现高温,卧室中的节能住宅比传统住宅高约4-5°C,并且外墙和天花板的内表面温度始终高于露点温度。

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