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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/62818

    Title: 金屬基板抗反射膜在聚光型太陽熱能發電系統中太陽能選擇性吸收膜之研究;Research of Antireflection Coating on Metallic Substrate for Solar Selective Absorbers of Concentrating Solar Power System
    Authors: 郭倩丞
    Contributors: 國立中央大學能源工程研究所
    Keywords: 材料科技;能源工程
    Date: 2012-12-01
    Issue Date: 2014-03-17 14:04:50 (UTC+8)
    Publisher: 行政院國家科學委員會
    Abstract: 研究期間:10108~10207;Because the energy crisis came, every country has begun to study energy alternative programs. The clean energy alternative becomes a research topic, such as wind, hydro, solar energy etc. Solar thermal is an efficient and simple processes, conversion efficiency can reach 50% and low cost. Another striking is in the solar thermal application of concentrating solar thermal power systems (CSP). The key component is solar energy selective absorber. It must have a good absorptance of the sun radiation, and at the same time only a small thermal emittance. Although many studied and applied to daily life use non-concentrating solar collectors at low temperature (<200 degree C), but the temperature of concentrating solar collectors of CSP must be more than 400 degree. The challenge not only maintains good high absorption and low-radiation characteristics at high temperature, but t also have structural stability under high temperature environment required. However the solar selective absorber in the research is using at 300 degree C to 450 degree C, the research in higher temperatures (500 degree C〜800 degree C) is less. This plan will complete the high-temperature solar selective absorber using metal-dielectric stack multilayer structure (anti-reflective coatings of metal substrates). It can be used in different high temperature (the range is400degree C to 800 degree C). The multi-layer structure solar selective absorber will has good optical absorption in 0.3 micrometer to 2.5 micrometer is above 0.95, and low thermal emittance in 2.5 micrometer to 10 micrometer is under 0.05. They can be used in concentrating solar thermal power systems, to provide more high-temperature solar energy selective absorber.
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[能源工程研究所 ] 研究計畫

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