期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 124, 期 -, 页码 258-265出版社
ELSEVIER
DOI: 10.1016/j.jtice.2021.04.003
关键词
Flat Plate Solar Collector; Nanofluid; Energy-Saving; Hot Process Stream
资金
- Najran University-Kingdom of Saudi Arabia [NU/ESCI/17/106]
- ministry of education
By adding CuO nanoparticles, the energy-saving potential of solar-assisted hot process streams was improved, with significant energy savings observed under Najran climate conditions. The incorporation of CuO nanofluid resulted in energy savings ranging from 6-12.8% in this study.
Background: Flat plate solar collectors (FPSCs) can meet the needs of low-temperature process industries by providing a hot flow stream. In this regard, the addition of nanoparticles can improve the energy-saving potential of the FPSCs. In this study, the effectiveness of using copper oxide (CuO) nanoparticles in a solarassisted hot process stream was investigated. Methods: Using transient-based numerical approaches, the efficacy of loading CuO nanoparticles at 0.1 vol.% into water on collector heat gain was examined. Using effectiveness-NTU method, the nanofluid efficacy was challenged by adding a two-pipe heat exchanger to diminish heating power usage in a hot process stream. Findings: The results revealed that if a water-filled solar-assisted hot process stream was used, the energysaving will be 670, 383 and 225 kWh m2:year at 60, 120 and 240 lit hrunder Najran climate conditions. Taking into account energy-saving of 712, 415.5 and 242.5 kWh m2:year for nanofluid, it was found that incorporating CuO into a solar-assisted hot process stream has been successful. Owing to using CuO, the effectiveness of the solarassisted hot process stream was improved within the range of 6-12.8%. (c) 2021 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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