Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/1165489 |
| 报告编号 | Arizona--5796 |
| 来源ID | OSTI_ID: 1165489 |
| Advanced Manufacture of Reflectors | |
| Angel, Roger [Univ. of Arizona, Tucson, AZ (United States)] | |
| 英文摘要 | The main project objective has been to develop an advanced gravity sag method for molding large glass solar reflectors with either line or point focus, and with long or short focal length. The method involves taking standard sized squares of glass, 1.65 m x 1.65 m, and shaping them by gravity sag into precision steel molds. The method is designed for high volume manufacture when incorporated into a production line with separate pre-heating and cooling. The performance objectives for the self-supporting glass mirrors made by this project include mirror optical accuracy of 2 mrad root mean square (RMS), requiring surface slope errors less than 1 mrad rms, a target not met by current production of solar reflectors. Our objective also included development of new methods for rapidly shaping glass mirrors and coating them for higher reflectivity and soil resistance. Reflectivity of 95% for a glass mirror with anti-soil coating was targeted, compared to the present ~94% with no anti-soil coating. Our mirror cost objective is ~$20/m2 in 2020, a significant reduction compared to the present ~$35/m2 for solar trough mirrors produced for trough solar plants. |
| 出版年 | 2014 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 14 SOLAR ENERGY solar energy ; solar reflectors |
| URL | http://www.osti.gov/scitech/servlets/purl/1165489 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/271079 |
| 推荐引用方式 GB/T 7714 | Angel, Roger [Univ. of Arizona, Tucson, AZ . Advanced Manufacture of Reflectors,2014. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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