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随着建筑节能改造及空调供热系统的优化运行改造项目的飞快发展,节能量的测量验证的准确程度及经济性问题日益突出。本研究针对其准确程度的指标不确定度与建模样本数量的关系,结合经济性分析及实际工程计算,首次揭示了不确定度与建模样本数量的关系,最终确定了既可保证准确度又兼顾经济性的样本量选取方法,为供热系统节能改造的节能量测量验证的样本数的确定提供一定的指导。
With the rapid development of energy-saving retrofit of buildings and the optimization and operation of air-conditioning heating systems, the accuracy and economy of energy-saving measurement and verification have become increasingly prominent. According to the relationship between the uncertainty of the index and the number of modeling samples, this study reveals the relationship between the uncertainty and the number of modeling samples for the first time by combining economic analysis and actual engineering calculation, Taking into account the economic sample size selection method, to provide some guidance for the determination of the number of samples for energy-saving measurement and verification of energy-saving renovation of the heating system.