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Performance analysis of solar air heater duct roughened with multigap V-down ribs combined with staggered ribs

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  • Deo, Narinderpal Singh
  • Chander, Subhash
  • Saini, J.S.

Abstract

An experimental study has been conducted to investigate heat transfer, friction factor and thermo-hydraulic performance characteristics of flow in a rectangular duct artificially roughened on one side with multi-gap V-down ribs combined with staggered ribs. The rectangular duct used had aspect ratio of 12 and the Reynolds number based upon the mass flow rate of air at inlet of the duct ranged from 4000 to 12,000. The rib pitch-to-height (P/e) ratio was varied from 4 to 14, rib height-to-hydraulic diameter (e/Dh) ratio from 0.026 to 0.057 and angle of attack (α) from 40° to 80° while, gap width to rib height (g/e) ratio of 1, staggered rib length to rib height ratio (w/e) of 4.5, relative staggered rib pitch (p/P) value of 0.65 and two number of gap (n) on each side of the V-leg were used as fixed parameters during the experimentation. Results show two peaks for Nusselt number corresponding to the P/e value of 6 and 12 and decrease in the Nusselt number was observed for increase in the e/Dh value beyond 0.044. The maximum enhancement achieved in Nusselt number and thermohydraulic performance parameter was of 3.34 and 2.45 times respectively.

Suggested Citation

  • Deo, Narinderpal Singh & Chander, Subhash & Saini, J.S., 2016. "Performance analysis of solar air heater duct roughened with multigap V-down ribs combined with staggered ribs," Renewable Energy, Elsevier, vol. 91(C), pages 484-500.
    • Handle: RePEc:eee:renene:v:91:y:2016:i:c:p:484-500
    DOI: 10.1016/j.renene.2016.01.067
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    References listed on IDEAS

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    Cited by:

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    2. Karmveer & Naveen Kumar Gupta & Tabish Alam & Raffaello Cozzolino & Gino Bella, 2022. "A Descriptive Review to Access the Most Suitable Rib’s Configuration of Roughness for the Maximum Performance of Solar Air Heater," Energies, MDPI, vol. 15(8), pages 1-46, April.
    3. Kumar, Anil & Kumar, Raj & Maithani, Rajesh & Chauhan, Ranchan & Sethi, Muneesh & Kumari, Anita & Kumar, Sushil & Kumar, Sunil, 2017. "Correlation development for Nusselt number and friction factor of a multiple type V-pattern dimpled obstacles solar air passage," Renewable Energy, Elsevier, vol. 109(C), pages 461-479.
    4. 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.
    5. Jin, Dongxu & Zuo, Jianguo & Quan, Shenglin & Xu, Shiming & Gao, Hao, 2017. "Thermohydraulic performance of solar air heater with staggered multiple V-shaped ribs on the absorber plate," Energy, Elsevier, vol. 127(C), pages 68-77.
    6. António Araújo, 2020. "Thermo-Hydraulic Performance of Solar Air Collectors with Artificially Roughened Absorbers: A Comparative Review of Semi-Empirical Models," Energies, MDPI, vol. 13(14), pages 1-33, July.
    7. Jin, Dongxu & Quan, Shenglin & Zuo, Jianguo & Xu, Shiming, 2019. "Numerical investigation of heat transfer enhancement in a solar air heater roughened by multiple V-shaped ribs," Renewable Energy, Elsevier, vol. 134(C), pages 78-88.
    8. Bhuvad, Sushant Suresh & Azad, Rajnish & Lanjewar, Atul, 2022. "Thermal performance analysis of apex-up discrete arc ribs solar air heater-an experimental study," Renewable Energy, Elsevier, vol. 185(C), pages 403-415.
    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. Alam, Tabish & Kim, Man-Hoe, 2017. "A critical review on artificial roughness provided in rectangular solar air heater duct," Renewable and Sustainable Energy Reviews, Elsevier, vol. 69(C), pages 387-400.
    11. Tarek Kh. Abdelkader & Qizhou Fan & Eid S. Gaballah & Shaowei Wang & Yanlin Zhang, 2020. "Energy and Exergy Analysis of a Flat-Plate Solar Air Heater Artificially Roughened and Coated with a Novel Solar Selective Coating," Energies, MDPI, vol. 13(4), pages 1-17, February.
    12. 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).
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    14. 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.
    15. Kumar, Dheeraj & Layek, Apurba, 2022. "Nusselt number and friction characteristics of solar air heater roughened with novel twisted V-shaped staggered ribs using liquid crystal thermography," Renewable Energy, Elsevier, vol. 201(P1), pages 651-666.
    16. 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).
    17. Bensaci, Charaf-Eddine & Moummi, Abdelhafid & Sanchez de la Flor, Francisco J. & Rodriguez Jara, Enrique A. & Rincon-Casado, Alejandro & Ruiz-Pardo, Alvaro, 2020. "Numerical and experimental study of the heat transfer and hydraulic performance of solar air heaters with different baffle positions," Renewable Energy, Elsevier, vol. 155(C), pages 1231-1244.
    18. Nidhul, Kottayat & Yadav, Ajay Kumar & Anish, S. & Arunachala, U.C., 2022. "Thermo-hydraulic and exergetic performance of a cost-effective solar air heater: CFD and experimental study," Renewable Energy, Elsevier, vol. 184(C), pages 627-641.
    19. Jain, Piyush Kumar & Lanjewar, Atul, 2019. "Overview of V-RIB geometries in solar air heater and performance evaluation of a new V-RIB geometry," Renewable Energy, Elsevier, vol. 133(C), pages 77-90.
    20. Norouzi, Amir Mohammad & Siavashi, Majid & Ahmadi, Rouhollah & Tahmasbi, Milad, 2021. "Experimental study of a parabolic trough solar collector with rotating absorber tube," Renewable Energy, Elsevier, vol. 168(C), pages 734-749.
    21. Sheetal Kumar Jain & Rohit Misra & Ghanshyam Agrawal, 2020. "Effect of gap width on thermal performance of solar air heater having arc-shaped ribs with symmetrical gaps: an experimental investigation," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 22(7), pages 6563-6583, October.

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