Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid
This study is motivated-by the urgent global need to enhance the efficiency of solar thermal energy systems, particularly Evacuated Tube Solar Collector (ETSC), to meet the growing demand for renewable energy solutions in combating climate change and reducing reliance on fossil fuels. By exploring a...
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| Language: | English |
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Elsevier
2025-03-01
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| Series: | Case Studies in Thermal Engineering |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X25000498 |
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| author | Sathish Thanikodi Jayant Giri Rathinasamy Saravanan Shafiq Ahmad Ahmad O. Hourani |
| author_facet | Sathish Thanikodi Jayant Giri Rathinasamy Saravanan Shafiq Ahmad Ahmad O. Hourani |
| author_sort | Sathish Thanikodi |
| collection | DOAJ |
| description | This study is motivated-by the urgent global need to enhance the efficiency of solar thermal energy systems, particularly Evacuated Tube Solar Collector (ETSC), to meet the growing demand for renewable energy solutions in combating climate change and reducing reliance on fossil fuels. By exploring advanced tri-hybrid nanofluids, the study aims to significantly improve the thermal performance and energy capture of ETSC systems, contributing to more sustainable and efficient energy generation. ETSCs are widely used in residential, commercial, and industrial heating systems, contributing to renewable energy initiatives by reducing the dependence on conventional heating methods and lowering greenhouse gas emissions. ETSC thermal performance can be improved with nanofluid. Water/MWCNT (0.1 wt%), Water/Al2O3 (0.1 wt%), Water/MgO (0.1 wt%), and Water/50 % MWCNT, 25 % Al2O3, and 25 % MgO nanoparticle (0.1 wt%) were tested to improve ETSC thermal performance. The ETSC performance was analyzed under two different flow conditions such as 1.5L/min, and 3L/min. The result of tri-hybrid nanofluid leads to a higher thermal performance than others. Furthermore, the higher flow rate of 3L/min shows a higher thermal performance than 1.5L/min. The average enhancement achieved in terms of energy absorption rate, thermal efficiency, and exergy efficiency by tri-hybrid nanofluids were 19.1 %, 19.7 %, and 32.4 % at 3L/min respectively higher than the average of such performances at 1.5L/min flow rate. These results highlight how important it is to use nanofluids, especially Tri-hybrid nanofluids at higher flow rates, to improve the efficacy and efficiency of ETSC systems and open the door to improved energy capture and use in solar thermal applications. |
| format | Article |
| id | doaj-art-46987d11fcc34da98338e0ec4e81dc7f |
| institution | Kabale University |
| issn | 2214-157X |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj-art-46987d11fcc34da98338e0ec4e81dc7f2025-02-05T04:32:01ZengElsevierCase Studies in Thermal Engineering2214-157X2025-03-0167105789Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluidSathish Thanikodi0Jayant Giri1Rathinasamy Saravanan2Shafiq Ahmad3Ahmad O. Hourani4Department of Mechanical Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, Tamil Nadu, India; Corresponding author.Department of Mechanical Engineering, Yeshwantrao Chavan College of Engineering, Nagpur, Maharashtra, India; Division of Research and Development, Lovely Professional University, Phagwara, India; Centre for Research Impact & Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, 140401, Punjab, IndiaDepartment of Mechanical Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, Tamil Nadu, IndiaIndustrial Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Riyadh, 11421, Saudi ArabiaHourani Center for Applied Scientific Research, Al-Ahliyya Amman University, Amman, JordanThis study is motivated-by the urgent global need to enhance the efficiency of solar thermal energy systems, particularly Evacuated Tube Solar Collector (ETSC), to meet the growing demand for renewable energy solutions in combating climate change and reducing reliance on fossil fuels. By exploring advanced tri-hybrid nanofluids, the study aims to significantly improve the thermal performance and energy capture of ETSC systems, contributing to more sustainable and efficient energy generation. ETSCs are widely used in residential, commercial, and industrial heating systems, contributing to renewable energy initiatives by reducing the dependence on conventional heating methods and lowering greenhouse gas emissions. ETSC thermal performance can be improved with nanofluid. Water/MWCNT (0.1 wt%), Water/Al2O3 (0.1 wt%), Water/MgO (0.1 wt%), and Water/50 % MWCNT, 25 % Al2O3, and 25 % MgO nanoparticle (0.1 wt%) were tested to improve ETSC thermal performance. The ETSC performance was analyzed under two different flow conditions such as 1.5L/min, and 3L/min. The result of tri-hybrid nanofluid leads to a higher thermal performance than others. Furthermore, the higher flow rate of 3L/min shows a higher thermal performance than 1.5L/min. The average enhancement achieved in terms of energy absorption rate, thermal efficiency, and exergy efficiency by tri-hybrid nanofluids were 19.1 %, 19.7 %, and 32.4 % at 3L/min respectively higher than the average of such performances at 1.5L/min flow rate. These results highlight how important it is to use nanofluids, especially Tri-hybrid nanofluids at higher flow rates, to improve the efficacy and efficiency of ETSC systems and open the door to improved energy capture and use in solar thermal applications.http://www.sciencedirect.com/science/article/pii/S2214157X25000498SustainableEnergyEvacuated Tube collectorTri-hybrid nanofluidHeat absorption rate and exergy efficiency |
| spellingShingle | Sathish Thanikodi Jayant Giri Rathinasamy Saravanan Shafiq Ahmad Ahmad O. Hourani Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid Case Studies in Thermal Engineering Sustainable Energy Evacuated Tube collector Tri-hybrid nanofluid Heat absorption rate and exergy efficiency |
| title | Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid |
| title_full | Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid |
| title_fullStr | Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid |
| title_full_unstemmed | Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid |
| title_short | Thermal performance enhancement in evacuated tube solar collector with working fluid MWCNT/Al2O3/MgO tri-hybrid nanofluid |
| title_sort | thermal performance enhancement in evacuated tube solar collector with working fluid mwcnt al2o3 mgo tri hybrid nanofluid |
| topic | Sustainable Energy Evacuated Tube collector Tri-hybrid nanofluid Heat absorption rate and exergy efficiency |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X25000498 |
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