Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1016/j.apenergy.2019.114378 |
| A validated energy model of a solar dish-Stirling system considering the cleanliness of mirrors | |
| Buscemi, Alessandro1; Lo Brano, Valerio2; Chiaruzzi, Christian3; Ciulla, Giuseppina2; Kalogeri, Christina4 | |
| 通讯作者 | Lo Brano, Valerio |
| 来源期刊 | APPLIED ENERGY
 |
| ISSN | 0306-2619 |
| EISSN | 1872-9118 |
| 出版年 | 2020 |
| 卷号 | 260 |
| 英文摘要 | Solar systems based on the coupling of parabolic concentrating collectors and thermal engines (i.e. dish-Stirling systems) are among the most efficient generators of solar power currently available. This study focuses on the modelling of functioning data from a 32 kWe dish-Stirling solar plant installed at a facility test site on the University of Palermo campus, in Southern Italy. The proposed model, based on real monitored data, the energy balance of the collector and the partial load efficiency of the Stirling engine, can be used easily to simulate the annual energy production of such systems, making use of the solar radiation database, with the aim of encouraging a greater commercialisation of this technology. Introducing further simplifying assumptions based on our experimental data, the model can be linearised providing a new analytical expression of the parameters that characterise the widely used Stine empirical model. The model was calibrated against data corresponding to the collector with clean mirrors and used to predict the net electric production of the dish-Stirling accurately. A numerical method for assessing the daily level of mirror soiling without the use of direct reflectivity measures was also defined. The proposed methodology was used to evaluate the history of mirror soiling for the observation period, which shows a strong correlation with the recorded sequence of rains and dust depositions. The results of this study emphasise how desert dust transport events, frequent occurrences in parts of the Mediterranean, can have a dramatic impact on the electric power generation of dish-Stirling plants. |
| 英文关键词 | Stirling efficiency Solar concentrator Energy analysis Numerical model Mirror soiling |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Italy ; Greece |
| 开放获取类型 | Green Submitted |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000515108700019 |
| WOS关键词 | THERMAL PERFORMANCE ; POWER ; ENGINE ; DESIGN ; OPTIMIZATION ; TECHNOLOGIES ; TEMPERATURE ; COLLECTOR ; SIMULATION ; TRANSPORT |
| WOS类目 | Energy & Fuels ; Engineering, Chemical |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/314046 |
| 作者单位 | 1.Graded SpA, Naples, Italy; 2.Univ Palermo, Dept Engn, Palermo, Italy; 3.Horizonfirm Srl, Palermo, Italy; 4.Natl & Kapodistrian Univ Athens, Dept Phys, Athens, Greece |
| 推荐引用方式 GB/T 7714 | Buscemi, Alessandro,Lo Brano, Valerio,Chiaruzzi, Christian,et al. A validated energy model of a solar dish-Stirling system considering the cleanliness of mirrors[J],2020,260. |
| APA | Buscemi, Alessandro,Lo Brano, Valerio,Chiaruzzi, Christian,Ciulla, Giuseppina,&Kalogeri, Christina.(2020).A validated energy model of a solar dish-Stirling system considering the cleanliness of mirrors.APPLIED ENERGY,260. |
| MLA | Buscemi, Alessandro,et al."A validated energy model of a solar dish-Stirling system considering the cleanliness of mirrors".APPLIED ENERGY 260(2020). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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