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Performance evaluation of solar air heater with novel hyperbolic rib geometry

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  • Thakur, Deep Singh
  • Khan, Mohd. Kaleem
  • Pathak, Manabendra

Abstract

This paper presents 2D CFD analysis for the evaluation of thermo-hydraulic performance of artificially roughened solar air heater’s absorber plate with novel hyperbolic ribs using ANSYS FLUENT 15.0. The motivation for the present study is derived from the fact that formation of eddies across a rib do influence thermo-hydraulic performance of a flat plate solar air heater. The design of hyperbolic ribs is such that it prevents entrapment of eddies facilitating higher heat transfer rate leading to superior thermos-hydraulic performance. The developed model has been validated for smooth (duct without artificial roughness) as well as roughened ducts. The rib profile parameters have been optimized by performing simulation runs by varying roughness height (e) from 0.5 mm to 2 mm and pitch (P) from 10 mm to 20 mm. The optimum performance is achieved for e = 1 mm and P = 10 mm at Re = 6000 The performance of this novel rib is compared with rectangular, triangular and semicircular rib geometries and is found to be the best among all up to Re = 10000.

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  • Thakur, Deep Singh & Khan, Mohd. Kaleem & Pathak, Manabendra, 2017. "Performance evaluation of solar air heater with novel hyperbolic rib geometry," Renewable Energy, Elsevier, vol. 105(C), pages 786-797.
    • Handle: RePEc:eee:renene:v:105:y:2017:i:c:p:786-797
    DOI: 10.1016/j.renene.2016.12.092
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    References listed on IDEAS

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    10. Yadav, Anil Singh & Bhagoria, J.L., 2013. "A CFD (computational fluid dynamics) based heat transfer and fluid flow analysis of a solar air heater provided with circular transverse wire rib roughness on the absorber plate," Energy, Elsevier, vol. 55(C), pages 1127-1142.
    11. Yadav, Anil Singh & Bhagoria, J.L., 2013. "Heat transfer and fluid flow analysis of solar air heater: A review of CFD approach," Renewable and Sustainable Energy Reviews, Elsevier, vol. 23(C), pages 60-79.
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    Cited by:

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    2. Ganesh Kumar, P. & Balaji, K. & Sakthivadivel, D. & Vigneswaran, V.S. & Velraj, R. & Kim, Sung Chul, 2021. "Enhancement of heat transfer in a combined solar air heating and water heater system," Energy, Elsevier, vol. 221(C).
    3. Zhang, Pu & Xia, Peng & Guo, Xueyan & Xie, Shaozhang & Ma, Wensheng, 2022. "A CFD-adjoint reverse design of transverse rib profile for enhancing thermo-hydraulic performance in the solar air heater," Renewable Energy, Elsevier, vol. 198(C), pages 587-601.
    4. Das, Debayan & Lukose, Leo & Basak, Tanmay, 2018. "Role of multiple solar heaters along the walls for the thermal management during natural convection in square and triangular cavities," Renewable Energy, Elsevier, vol. 121(C), pages 205-229.
    5. Kumar, Amit & Akshayveer, & Singh, Ajeet Pratap & Singh, O.P., 2020. "Efficient designs of double-pass curved solar air heaters," Renewable Energy, Elsevier, vol. 160(C), pages 1105-1118.
    6. Sheikhnejad, Yahya & Gandjalikhan Nassab, Seyed Abdolreza, 2021. "Enhancement of solar chimney performance by passive vortex generator," Renewable Energy, Elsevier, vol. 169(C), pages 437-450.
    7. Thakur, Deep Singh & Khan, Mohd. Kaleem & Pathak, Manabendra, 2017. "Solar air heater with hyperbolic ribs: 3D simulation with experimental validation," Renewable Energy, Elsevier, vol. 113(C), pages 357-368.
    8. Poongavanam, Ganesh Kumar & Panchabikesan, Karthik & Leo, Anto Joseph Deeyoko & Ramalingam, Velraj, 2018. "Experimental investigation on heat transfer augmentation of solar air heater using shot blasted V-corrugated absorber plate," Renewable Energy, Elsevier, vol. 127(C), pages 213-229.
    9. Alam, Tabish & Kim, Man-Hoe, 2018. "A comprehensive review on single phase heat transfer enhancement techniques in heat exchanger applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 813-839.
    10. Byeong-Hwa An & Kwang-Hwan Choi & Hwi-Ung Choi, 2023. "Heat Transfer Augmentation and Friction Factor Due to the Arrangement of Rectangular Turbulators in a Finned Air Channel of a Solar Air Heater," Energies, MDPI, vol. 16(19), pages 1-18, September.
    11. Jouybari, Nima Fallah & Lundström, T. Staffan, 2020. "Performance improvement of a solar air heater by covering the absorber plate with a thin porous material," Energy, Elsevier, vol. 190(C).
    12. Qader, Bootan S. & Supeni, E.E. & Ariffin, M.K.A. & Talib, A.R. Abu, 2019. "Numerical investigation of flow through inclined fins under the absorber plate of solar air heater," Renewable Energy, Elsevier, vol. 141(C), pages 468-481.
    13. Nidhul, Kottayat & Yadav, Ajay Kumar & Anish, S. & Kumar, Sachin, 2021. "Critical review of ribbed solar air heater and performance evaluation of various V-rib configuration," Renewable and Sustainable Energy Reviews, Elsevier, vol. 142(C).
    14. Azadani, Leila N. & Gharouni, Nadiya, 2021. "Multi objective optimization of cylindrical shape roughness parameters in a solar air heater," Renewable Energy, Elsevier, vol. 179(C), pages 1156-1168.
    15. Bezbaruah, Parag Jyoti & Das, Rajat Subhra & Sarkar, Bikash Kumar, 2021. "Experimental and numerical analysis of solar air heater accoutered with modified conical vortex generators in a staggered fashion," Renewable Energy, Elsevier, vol. 180(C), pages 109-131.

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