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以中国福州为例,从当地逐时气象数据入手,分析了建筑空调负荷及供暖负荷的所有时刻对应的逐时太阳辐射,用特征温度法研究当遮阳系数减小时各时刻建筑的空调与供暖能耗及相对变化(节能率)情况。研究发现,由于冬季有太阳辐射各时刻的供暖能耗相对于无太阳辐射各时刻能耗比例很小,故遮阳措施对供暖总能耗的影响不显著,从而证明DOE2关于冬季遮阳系数减小对供暖能耗影响的结论值得商榷;由于夏季有太阳辐射各时刻空调能耗远大于无太阳辐射各时刻空调能耗,故遮阳措施对空调总能耗及节能率的影响非常显著,DOE2软件与特征温度法的结果是正确的;通过对福州全年各时刻空调供暖能耗、建筑负荷及节能率进行解析,揭示了看起来很分散的各时刻能耗及节能率差异数据总体上遵循的某种共性规律,供同行参考。
Taking Fuzhou, China as an example, the hourly-hour solar radiation corresponding to the building air-conditioning load and heating load is analyzed from the local hourly meteorological data. The characteristic temperature method is used to study the air-conditioning and heating energy Consumption and relative change (energy saving rate) situation. It is found that the influence of shading measures on the total energy consumption of heating is insignificant due to the small proportion of energy consumption per hour of solar radiation with respect to that of non-solar radiation in winter, which proves that DOE2's reduction of shading coefficient in winter The conclusion of the influence of heating energy consumption is debatable. Since the energy consumption of air conditioning in each period of time with solar radiation is much larger than that of air conditioning without solar radiation in summer, the influence of shading measures on total energy consumption and energy saving rate of air conditioning is very significant. DOE2 software and features The result of temperature method is correct. Through analyzing the heating energy consumption, building load and energy saving rate of air-conditioners in Fuzhou all the year round, it reveals that the data of energy consumption and energy-saving rate difference Common law for peer reference.