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将太阳能热利用系统准稳态下的能量流动过程分为3个阶段进行用能分析,采用能量分析法和分析法对每个阶段从能量的数量和质量上进行建模,以确定系统能量及的转换、传递、利用和损失情况。第一阶段的用能分析结合了太阳辐射光谱的精确建模,并利用建立的模型对一个实际的太阳能热利用系统进行相应的计算和分析。所建立的模型可明确各种太阳能热利用系统中能量及等参数的变化过程,从而为系统的优化指明方向。
The process of energy flow in the quasi-steady state of solar thermal system is divided into three stages for energy use analysis, and the energy quantity and quality of each phase are modeled by energy analysis and analytic method to determine the energy of the system And conversion, transmission, utilization and loss situation. The first phase of energy analysis combines the exact modeling of solar radiation spectra and uses the established model to calculate and analyze an actual solar thermal system. The established model can make clear the process of energy and other parameters changes in various solar thermal systems so as to indicate the direction of the system optimization.