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在现行暖通设计规范中,围护结构负荷朝向修正率取值范围较大,且无法体现太阳辐照度地区差异引起的差别,导致不同地区设计计算结果与实际朝向负荷不相符。相关节能设计标准中亦未考虑朝向修正。综合考虑太阳能热能等级分区和建筑热工设计分区划分标准,选取典型城市,计算得到了适用范围广、较准确的负荷朝向修正率和节能朝向修正率。
In the current HVAC design code, the range of load-oriented compensation rate of enveloping structures is large, and the differences caused by the differences in solar irradiance can not be reflected. As a result, the calculated results in different areas are not consistent with the actual heading loads. Relevant energy-saving design standards have not considered the direction of correction. Taking into account the classification standard of solar energy thermal classification and thermal design of building, we select a typical city and get a wide range of applied and accurate load orientation correction rate and energy saving orientation correction rate.