由于开口处阳光能流密度的不均匀分布以及阳光的单侧投射使得太阳能腔式吸热器内部吸热管表面的热流密度分布呈现出高度得不均匀性,严重影响吸热器运行的安全可靠性.采用建立的耦合计算模型对一个饱和蒸汽太阳能腔式吸热器的热性能进行了数值模拟,提出了一种沸腾管表面反射率的优化分布方式,从而改善了吸热器内部沸腾管表面热流密度和温度分布的不均匀性.
参考文献
[1] | S. Paitoonsurikarn;K. Lovegrove;G. Hughes;J. Pye .Numerical Investigation of Natural Convection Loss From Cavity Receivers in Solar Dish Applications[J].Journal of Solar Energy Engineering,2011(2):021004-1-021004-10. |
[2] | Qiang Yu;Zhifeng Wang;Ershu Xu .Simulation and analysis of the central cavity receiver's performance of solar thermal power tower plant[J].Solar Energy,2012(1):164-174. |
[3] | 崔福庆,何雅玲,李东,陶于兵,程泽东.塔式吸热器中辐射传播过程的参数分析[J].工程热物理学报,2011(08):1375-1378. |
[4] | J.B. Fang;J.J. Wei;X.W. Dong;Y.S. Wang .Thermal performance simulation of a solar cavity receiver under windy conditions[J].Solar Energy,2011(1):126-138. |
[5] | J.B. Fang;N. Tu;J.J. Wei .Numerical investigation of start-up performance of a solar cavity receiver[J].Renewable energy,2013(May):35-42. |
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