多棒方法提高Odeillo太阳能炉的太阳能-激光转换效率

IF 1.5 4区工程技术 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Photonics for Energy Pub Date : 2022-10-01 DOI:10.1117/1.JPE.12.048001

H. Costa, J. Almeida, D. Liang, D. Garcia, M. Catela, B. Tibúrcio, C. Vistas

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引用次数: 0

摘要

摘要为提高太阳能-激光功率转换效率，对法国奥代洛兆瓦太阳能炉（MWSF）的多棒太阳能激光站进行了概念化和数值研究。从63个定日镜场中选择了18个定日器，并在其焦点处获得347kW的太阳能。从那里，一个二维复合抛物面聚光器将太阳光线进一步集中并重新分布到11个核心掺杂Nd:YAG棒上，每个棒都固定在熔融石英流管内。计算出11.40kW的总多模激光功率，对应于3.29%的太阳能到激光功率转换效率。该效率值比在法国Odeillo测试的侧面泵浦配置中的单棒太阳能激光系统提高了1.70和1.26倍，其中Nd:YAG棒与Cr3共掺杂 + 和Ce3 + 离子。对于相同的MWSF，它也比之前提出的具有太阳能通量均化器和12根Nd:YAG棒的侧面泵浦方案高1.44倍。

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Multirod approach to enhance solar-to-laser conversion efficiency in the Odeillo solar furnace

Abstract. A multirod solar laser station for the megawatt solar furnace (MWSF) in Odeillo, France, was conceptualized and numerically studied to improve the solar-to-laser power conversion efficiency. 18 heliostats from the 63-heliostat field were selected, and 347 kW of solar power was obtained at its focus. From there, a two-dimensional compound parabolic concentrator further concentrated and redistributed the solar rays toward 11 core-doped Nd:YAG rods, each fixed inside a fused silica flow tube. 11.40 kW of total multimode laser power was calculated, corresponding to a 3.29% solar-to-laser power conversion efficiency. This efficiency value represents an enhancement of 1.70 and 1.26 times over that attained from single-rod solar laser systems in side-pumping configuration tested in Odeillo, France, in which Nd:YAG rods were codoped with Cr3 + and Ce3 + ions, respectively. It was also 1.44 times higher than that obtained by a previously proposed side-pumping scheme with a solar flux homogenizer and 12 Nd:YAG rods for the same MWSF.

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来源期刊

Journal of Photonics for Energy MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

3.20

自引率

5.90%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Photonics for Energy publishes peer-reviewed papers covering fundamental and applied research areas focused on the applications of photonics for renewable energy harvesting, conversion, storage, distribution, monitoring, consumption, and efficient usage.