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Thermohydraulic performance of solar air heater with staggered multiple V-shaped ribs on the absorber plate

Author

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  • Jin, Dongxu
  • Zuo, Jianguo
  • Quan, Shenglin
  • Xu, Shiming
  • Gao, Hao

Abstract

Fluid flow and heat transfer in a solar air heater roughened with staggered multiple V-shaped ribs on the absorber plate were investigated numerically. Three dimensional simulations were performed for different rib geometries with varying stagger distance; rib height, pitch, and attack angle; and Reynolds number. Staggered multiple V-shaped ribs provide better heat transfer than the corresponding inline arrangement, with maximum enhancement 26% and 18% for average Nusselt number and thermohydraulic performance factor, respectively. Streamwise primary vortex with inter-rib subsidiary vortex is still the basic flow structure for the staggered ribs, similar to the inline case. The gap flow induces two competing effects on heat transfer, enhancing heat transfer efficiency maximally at the optimum stagger distance. Maximum thermohydraulic performance factor for the staggered ribs was 2.43 in the range of parameters studied.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:energy:v:127:y:2017:i:c:p:68-77
    DOI: 10.1016/j.energy.2017.03.101
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    References listed on IDEAS

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    1. Jin, Dongxu & Zhang, Manman & Wang, Ping & Xu, Shasha, 2015. "Numerical investigation of heat transfer and fluid flow in a solar air heater duct with multi V-shaped ribs on the absorber plate," Energy, Elsevier, vol. 89(C), pages 178-190.
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    4. Ravi, Ravi Kant & Saini, R.P., 2016. "Experimental investigation on performance of a double pass artificial roughened solar air heater duct having roughness elements of the combination of discrete multi V shaped and staggered ribs," Energy, Elsevier, vol. 116(P1), pages 507-516.
    5. 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.
    6. Kumar, Anil & Saini, R.P. & Saini, J.S., 2013. "Development of correlations for Nusselt number and friction factor for solar air heater with roughened duct having multi v-shaped with gap rib as artificial roughness," Renewable Energy, Elsevier, vol. 58(C), pages 151-163.
    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. Lee, Dong Hyun & Rhee, Dong-Ho & Kim, Kyung Min & Cho, Hyung Hee & Moon, Hee Koo, 2009. "Detailed measurement of heat/mass transfer with continuous and multiple V-shaped ribs in rectangular channel," Energy, Elsevier, vol. 34(11), pages 1770-1778.
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    Citations

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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, Rajneesh & Kumar, Anoop & Goel, Varun, 2019. "Performance improvement and development of correlation for friction factor and heat transfer using computational fluid dynamics for ribbed triangular duct solar air heater," Renewable Energy, Elsevier, vol. 131(C), pages 788-799.
    4. Yu-Jin Kim & Kwang-Seob Lee & Libing Yang & Evgueniy Entchev & Eun-Chul Kang & Euy-Joon Lee, 2020. "Validation and Numerical Sensitivity Study of Air Baffle Photovoltaic-Thermal Module," Energies, MDPI, vol. 13(8), pages 1-13, April.
    5. Josip Orović & Vedran Mrzljak & Igor Poljak, 2018. "Efficiency and Losses Analysis of Steam Air Heater from Marine Steam Propulsion Plant," Energies, MDPI, vol. 11(11), pages 1-18, November.
    6. Joon Ahn, 2023. "Large Eddy Simulation of Flow and Heat Transfer in a Ribbed Channel for the Internal Cooling Passage of a Gas Turbine Blade: A Review," Energies, MDPI, vol. 16(9), pages 1-20, April.
    7. 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.
    8. 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.
    9. Dong, Zhimin & Du, Qinglin & Liu, Peng & Liu, Zhichun & Liu, Wei, 2023. "A numerical investigation and irreversibility optimization of constantly grooved solar air heaters," Renewable Energy, Elsevier, vol. 207(C), pages 629-646.
    10. 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).
    11. 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.
    12. 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.
    13. Al-Zahrani, Salman, 2023. "Thermal performance augmentation of solar air heater with curved path," Energy, Elsevier, vol. 284(C).

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