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基于蒙特卡罗方法对抛物线碟式太阳能系统腔式吸热器的热流密度进行数值模拟研究,得知哈尔滨地区3种不同太阳辐射强度条件下吸热腔的热流分布沿高度方向基本呈正态分布,最大热流出现在吸热器高度为130mm处,最大热流值为0.22MW/m2。同时对不同太阳辐射强度下的腔式吸热器热流分布进行实验研究,结果显示实验结果与数值模拟结果吻合较好,误差在±3.63%以内。
Based on the Monte Carlo method, the numerical simulation of the heat flux density of the cavity heat absorber in a parabolic dish solar system was conducted. The results show that the heat flow distribution in the heat-absorbing cavity under three different solar radiation intensities in Harbin is basically normal distribution along the height , The maximum heat flow appears in the absorber height of 130mm, the maximum heat flow value of 0.22MW / m2. At the same time, the experimental study on the heat flow distribution of the cavity heat sink under different solar radiation intensities shows that the experimental results are in good agreement with the numerical simulation results and the error is within ± 3.63%.