{"title":"利用 Al2O3 纳米流体提高光伏性能的数值研究","authors":"","doi":"10.1016/j.cherd.2024.09.011","DOIUrl":null,"url":null,"abstract":"<div><div>To further elucidate the impact of fluctuations in environmental temperature and radiation intensity within a day on the temperature and performance of photovoltaic systems with and without nanofluid cooling, this study established a photovoltaic panel temperature and efficiency calculation model based on a nanofluid cooling system that considers the dynamic changes of photovoltaic panel temperature and air temperature over time. An empirical formula for predicting photovoltaic panel efficiency has been derived based on experimental data. Then a PV panel temperature and efficiency calculation model is established and validated. The simulation results show that using nanofluids to cool the PV panel can significantly reduce the temperature and improve the PV efficiency. Compared to the bare PV panel, the average PV panel temperature decreases by 7.99 ℃, 8.48 ℃, and 8.92 ℃ respectively when nanofluid volume fraction is 1 vol%, 3 vol%, and 5 vol%, and it decreases by 8.48 ℃, 9.27 ℃, and 9.94 ℃ respectively when nanofluid mass flow rate is 0.08 m<sup>3</sup>/h, 0.10 m<sup>3</sup>/h, and 0.12 m<sup>3</sup>/h. As the nanofluids' concentration increases, nanofluids' cooling ability in the high temperature range also increases.</div></div>","PeriodicalId":10019,"journal":{"name":"Chemical Engineering Research & Design","volume":null,"pages":null},"PeriodicalIF":3.7000,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Numerical investigation of photovoltaic performance improvement using Al2O3 nanofluid\",\"authors\":\"\",\"doi\":\"10.1016/j.cherd.2024.09.011\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>To further elucidate the impact of fluctuations in environmental temperature and radiation intensity within a day on the temperature and performance of photovoltaic systems with and without nanofluid cooling, this study established a photovoltaic panel temperature and efficiency calculation model based on a nanofluid cooling system that considers the dynamic changes of photovoltaic panel temperature and air temperature over time. An empirical formula for predicting photovoltaic panel efficiency has been derived based on experimental data. Then a PV panel temperature and efficiency calculation model is established and validated. The simulation results show that using nanofluids to cool the PV panel can significantly reduce the temperature and improve the PV efficiency. Compared to the bare PV panel, the average PV panel temperature decreases by 7.99 ℃, 8.48 ℃, and 8.92 ℃ respectively when nanofluid volume fraction is 1 vol%, 3 vol%, and 5 vol%, and it decreases by 8.48 ℃, 9.27 ℃, and 9.94 ℃ respectively when nanofluid mass flow rate is 0.08 m<sup>3</sup>/h, 0.10 m<sup>3</sup>/h, and 0.12 m<sup>3</sup>/h. As the nanofluids' concentration increases, nanofluids' cooling ability in the high temperature range also increases.</div></div>\",\"PeriodicalId\":10019,\"journal\":{\"name\":\"Chemical Engineering Research & Design\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":3.7000,\"publicationDate\":\"2024-09-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chemical Engineering Research & Design\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0263876224005410\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, CHEMICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Engineering Research & Design","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0263876224005410","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
Numerical investigation of photovoltaic performance improvement using Al2O3 nanofluid
To further elucidate the impact of fluctuations in environmental temperature and radiation intensity within a day on the temperature and performance of photovoltaic systems with and without nanofluid cooling, this study established a photovoltaic panel temperature and efficiency calculation model based on a nanofluid cooling system that considers the dynamic changes of photovoltaic panel temperature and air temperature over time. An empirical formula for predicting photovoltaic panel efficiency has been derived based on experimental data. Then a PV panel temperature and efficiency calculation model is established and validated. The simulation results show that using nanofluids to cool the PV panel can significantly reduce the temperature and improve the PV efficiency. Compared to the bare PV panel, the average PV panel temperature decreases by 7.99 ℃, 8.48 ℃, and 8.92 ℃ respectively when nanofluid volume fraction is 1 vol%, 3 vol%, and 5 vol%, and it decreases by 8.48 ℃, 9.27 ℃, and 9.94 ℃ respectively when nanofluid mass flow rate is 0.08 m3/h, 0.10 m3/h, and 0.12 m3/h. As the nanofluids' concentration increases, nanofluids' cooling ability in the high temperature range also increases.
期刊介绍:
ChERD aims to be the principal international journal for publication of high quality, original papers in chemical engineering.
Papers showing how research results can be used in chemical engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in plant or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of traditional chemical engineering.