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Investigation of thermal performance of solar air heater having roughness elements as a combination of inclined and transverse ribs on the absorber plate

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  • Varun,
  • Saini, R.P.
  • Singal, S.K.

Abstract

An experimental investigation has been carried out to study the heat transfer and friction characteristics by using a combination of inclined as well as transverse ribs on the absorber plate of a solar air heater. The experimental investigation encompassed the Reynolds number (Re) ranges from 2000 to 14000, relative roughness pitch (p/e) 3–8 and relative roughness height (e/Dh) 0.030. The effect of these parameters on the heat transfer coefficient and friction factor has been discussed in the present paper and correlations for Nusselt number and friction factor has been developed within the reasonable limits. A procedure to compute the thermal efficiency based on heat transfer processes in the system is also given and the effect of these parameters on thermal efficiency has been discussed.

Suggested Citation

  • Varun, & Saini, R.P. & Singal, S.K., 2008. "Investigation of thermal performance of solar air heater having roughness elements as a combination of inclined and transverse ribs on the absorber plate," Renewable Energy, Elsevier, vol. 33(6), pages 1398-1405.
  • Handle: RePEc:eee:renene:v:33:y:2008:i:6:p:1398-1405
    DOI: 10.1016/j.renene.2007.07.013
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    Citations

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    Cited by:

    1. Varun Kumar B. & G. Manikandan & P. Rajesh Kanna & Dawid Taler & Jan Taler & Marzena Nowak-Ocłoń & Karol Mzyk & Hoong Thiam Toh, 2018. "A Performance Evaluation of a Solar Air Heater Using Different Shaped Ribs Mounted on the Absorber Plate—A Review," Energies, MDPI, Open Access Journal, vol. 11(11), pages 1-20, November.
    2. Bhushan, Brij & Singh, Ranjit, 2010. "A review on methodology of artificial roughness used in duct of solar air heaters," Energy, Elsevier, vol. 35(1), pages 202-212.
    3. Gawande, Vipin B. & Dhoble, A.S. & Zodpe, D.B., 2014. "Effect of roughness geometries on heat transfer enhancement in solar thermal systems – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 347-378.
    4. 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.
    5. Sahu, Mukesh Kumar & Prasad, Radha Krishna, 2016. "Exergy based performance evaluation of solar air heater with arc-shaped wire roughened absorber plate," Renewable Energy, Elsevier, vol. 96(PA), pages 233-243.
    6. Patil, Anil Kumar, 2015. "Heat transfer mechanism and energy efficiency of artificially roughened solar air heaters—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 681-689.
    7. Kumar, Anil & Kim, Man-Hoe, 2016. "Thermohydraulic performance of rectangular ducts with different multiple V-rib roughness shapes: A comprehensive review and comparative study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 635-652.
    8. Saxena, Abhishek & Varun, & El-Sebaii, A.A., 2015. "A thermodynamic review of solar air heaters," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 863-890.
    9. Singh Yadav, Anil & Kumar Thapak, Manish, 2014. "Artificially roughened solar air heater: Experimental investigations," Renewable and Sustainable Energy Reviews, Elsevier, vol. 36(C), pages 370-411.
    10. Alam, Tabish & Saini, R.P. & Saini, J.S., 2014. "Use of turbulators for heat transfer augmentation in an air duct – A review," Renewable Energy, Elsevier, vol. 62(C), pages 689-715.
    11. Varun & Siddhartha, 2010. "Thermal performance optimization of a flat plate solar air heater using genetic algorithm," Applied Energy, Elsevier, vol. 87(5), pages 1793-1799, May.
    12. Chamoli, Sunil & Thakur, N.S. & Saini, J.S., 2012. "A review of turbulence promoters used in solar thermal systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 3154-3175.
    13. Lanjewar, Atul & Bhagoria, J.L. & Sarviya, R.M., 2011. "Heat transfer and friction in solar air heater duct with W-shaped rib roughness on absorber plate," Energy, Elsevier, vol. 36(7), pages 4531-4541.
    14. Li, Qi & Flamant, Gilles & Yuan, Xigang & Neveu, Pierre & Luo, Lingai, 2011. "Compact heat exchangers: A review and future applications for a new generation of high temperature solar receivers," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(9), pages 4855-4875.
    15. Sharma, Naveen & Varun, & Siddhartha,, 2012. "Stochastic techniques used for optimization in solar systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(3), pages 1399-1411.
    16. 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.
    17. 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.
    18. 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.
    19. 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.
    20. Varun, & Patnaik, Amar & Saini, R.P. & Singal, S.K. & Siddhartha,, 2009. "Performance prediction of solar air heater having roughened duct provided with transverse and inclined ribs as artificial roughness," Renewable Energy, Elsevier, vol. 34(12), pages 2914-2922.
    21. Sharma, Sanjay K. & Kalamkar, Vilas R., 2015. "Thermo-hydraulic performance analysis of solar air heaters having artificial roughness–A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 413-435.
    22. Kumar, Anil & Saini, R.P. & Saini, J.S., 2012. "Heat and fluid flow characteristics of roughened solar air heater ducts – A review," Renewable Energy, Elsevier, vol. 47(C), pages 77-94.
    23. El-Sebaii, A.A. & Al-Snani, H., 2010. "Effect of selective coating on thermal performance of flat plate solar air heaters," Energy, Elsevier, vol. 35(4), pages 1820-1828.
    24. Hans, Vishavjeet Singh & Saini, R.P. & Saini, J.S., 2009. "Performance of artificially roughened solar air heaters--A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(8), pages 1854-1869, October.
    25. Sahu, Mukesh Kumar & Prasad, Radha Krishna, 2017. "Thermohydraulic performance analysis of an arc shape wire roughened solar air heater," Renewable Energy, Elsevier, vol. 108(C), pages 598-614.

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