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中文摘要：
以谐波反应法为理论依据，在忽略室外温度的扰量和迟滞作用的影响和室内向室外的热散失的情况下，对制冷负荷的关联式进行了简化。基于此，对某建筑的逐时制冷负荷进行了分段拟合，提出了分段负荷计算公式。拟合所得的负荷计算公式形式简单，与实际监测值的最大相对误差为8．3％，与现有文献的拟合结果相比，误差减小50％以上。
英文摘要：
Based on the harmonic wave method.functional expression of the hourly -cooling -load is simplified. In this method, the disturbance and the sluggishness of the outside temperature, and the dissipation of the energy to the outside are ignored. Then, the hourly-cooling -load of a building is fitted according to the simplified functional expression, and the detailed function expressions of different time period are proposed. Compared with the practical data, the maximum error of the fitting results is 8.3 %, and is more than a half less than that calculated by other methods.
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