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Solar air heater with hyperbolic ribs: 3D simulation with experimental validation

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

Abstract

In this paper, 3D CFD simulations have been performed on the hyperbolic rib with parabolic tip using ANSYS FLUENT 15.0. The present work is undertaken on the optimized hyperbolic rib geometry obtained from the 2D CFD analysis recently performed by our group. The results of 3D simulation have been validated with our own experimental results and with existing well established correlations. The model predictions are in good agreement with the Blasius, Dittus Boelter correlations and the experimental results. The range of percentage deviation is less than 5%, which is reasonably good. With an aim to further improve the performance of hyperbolic ribs, the present numerical study is extended to evaluate thermo-hydraulic performance of different rib configurations such as inclined rib, V-shaped and W-shaped. For each arrangement, the rib inclination angle is varied from 30° to 90°.The inclination of rib results in an additional heat transfer enhancement due to flow separation and generation of secondary flow along the ribs. Thermohydraulic performance for V-shaped arrangement with 60° rib inclination is found to be the best at Re = 6000.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:renene:v:113:y:2017:i:c:p:357-368
    DOI: 10.1016/j.renene.2017.05.096
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    References listed on IDEAS

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    1. Singh, Sukhmeet & Chander, Subhash & Saini, J.S., 2012. "Investigations on thermo-hydraulic performance due to flow-attack-angle in V-down rib with gap in a rectangular duct of solar air heater," Applied Energy, Elsevier, vol. 97(C), pages 907-912.
    2. Suman, Siddharth & Khan, Mohd. Kaleem & Pathak, Manabendra, 2015. "Performance enhancement of solar collectors—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 49(C), pages 192-210.
    3. 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.
    4. Sahu, M.M. & Bhagoria, J.L., 2005. "Augmentation of heat transfer coefficient by using 90° broken transverse ribs on absorber plate of solar air heater," Renewable Energy, Elsevier, vol. 30(13), pages 2057-2073.
    5. 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.
    6. Chaube, Alok & Sahoo, P.K. & Solanki, S.C., 2006. "Analysis of heat transfer augmentation and flow characteristics due to rib roughness over absorber plate of a solar air heater," Renewable Energy, Elsevier, vol. 31(3), pages 317-331.
    7. Lanjewar, A.M. & Bhagoria, J.L. & Agrawal, M.K., 2015. "Review of development of artificial roughness in solar air heater and performance evaluation of different orientations for double arc rib roughness," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 1214-1223.
    8. Gill, R.S. & Hans, V.S. & Saini, J.S. & Singh, Sukhmeet, 2017. "Investigation on performance enhancement due to staggered piece in a broken arc rib roughened solar air heater duct," Renewable Energy, Elsevier, vol. 104(C), pages 148-162.
    9. 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.
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    Cited by:

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    2. 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.
    3. Madadi Avargani, Vahid & Zendehboudi, Sohrab & Zamani, Mohammad Amin, 2023. "Performance evaluation of various nano heat transfer fluids in charging/discharging processes of an indirect solar air heating system," Energy, Elsevier, vol. 274(C).
    4. Arunkumar, H.S. & Kumar, Shiva & Karanth, K. Vasudeva, 2020. "Analysis of a solar air heater for augmented thermohydraulic performance using helicoidal spring shaped fins-A numerical study," Renewable Energy, Elsevier, vol. 160(C), pages 297-311.
    5. Haldar, Ankur & Varshney, L. & Verma, Prashant, 2022. "Effect of roughness parameters on performance of solar air heater having artificial wavy roughness using CFD," Renewable Energy, Elsevier, vol. 184(C), pages 266-279.
    6. Varun Pratap Singh & Siddharth Jain & Ashish Karn & Ashwani Kumar & Gaurav Dwivedi & Chandan Swaroop Meena & Nitesh Dutt & Aritra Ghosh, 2022. "Recent Developments and Advancements in Solar Air Heaters: A Detailed Review," Sustainability, MDPI, vol. 14(19), pages 1-55, September.
    7. Mgbemene, Chigbo & Jacobs, Ifeanyi & Okoani, Anthony & Ononiwu, Ndudim, 2022. "Experimental investigation on the performance of aluminium soda can solar air heater," Renewable Energy, Elsevier, vol. 195(C), pages 182-193.
    8. Vengadesan, Elumalai & Senthil, Ramalingam, 2020. "A review on recent developments in thermal performance enhancement methods of flat plate solar air collector," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    9. Singh Bisht, Vijay & Kumar Patil, Anil & Gupta, Anirudh, 2018. "Review and performance evaluation of roughened solar air heaters," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 954-977.

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