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本文修正了反应腔吸热效率的计算公式,在已有碟式聚光器的基础上,设计了一个太阳能热化学制氢反应器。本文计算了各种热损失对吸热器吸热效率的影响,也计算了反应腔倾斜角度以及采光孔尺寸对吸热效率的影响。计算结果表明,反应腔倾斜角度对反应腔热效率影响不大;采光孔直径越大,吸热效率越低。
In this paper, the calculation formula of the heat absorption efficiency of the reaction chamber is modified. Based on the existing disc condenser, a solar thermal chemical hydrogen reactor is designed. In this paper, the effects of various heat losses on the heat absorption efficiency of the absorber were calculated. The influence of the tilt angle of the reaction chamber and the size of the light hole on the heat absorption efficiency was also calculated. The calculation results show that the tilt angle of the reaction chamber has little effect on the thermal efficiency of the reaction chamber. The larger the diameter of the aperture is, the lower the heat absorption efficiency is.