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Exergy transfer characteristics of forced convective heat transfer through a duct with constant wall heat flux

Author

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  • Wu, Shuang-Ying
  • Chen, Yan
  • Li, You-Rong
  • Zeng, Dan-Ling

Abstract

The examination of exergy transfer characteristics caused by forced convective heat transfer through a duct with constant wall heat flux for thermally and hydrodynamic fully developed laminar and turbulent flows has been presented. The exergy transfer Nusselt number is put forward and the dependence relationships of the exergy transfer Nusselt number on the heat transfer Nusselt number, Reynolds number and Prandtl number are obtained. Expressions involving relevant variables for the local and mean convective exergy transfer coefficient, non-dimensional exergy flux and exergy transfer rate, etc. have been derived. By reference to a smooth duct, the numerical results of exergy transfer characteristics for fluids with different Prandtl number are obtained and the effect of the Reynolds number and non-dimensional cross-sectional position on exergy transfer characteristics is analyzed. In addition, the results corresponding to the exergy transfer and energy transfer are compared.

Suggested Citation

  • Wu, Shuang-Ying & Chen, Yan & Li, You-Rong & Zeng, Dan-Ling, 2007. "Exergy transfer characteristics of forced convective heat transfer through a duct with constant wall heat flux," Energy, Elsevier, vol. 32(5), pages 686-696.
    • Handle: RePEc:eee:energy:v:32:y:2007:i:5:p:686-696
    DOI: 10.1016/j.energy.2006.04.013
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    References listed on IDEAS

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    1. Wang, S.P. & Chen, Q.L. & Yin, Q.H. & Hua, B., 2005. "A phenomenological equation of exergy transfer and its application," Energy, Elsevier, vol. 30(1), pages 85-95.
    2. Wang, S.P. & Chen, Q.L. & Yin, Q.H. & Hua, B., 2003. "Exergy destruction due to mean flow and fluctuating motion in incompressible turbulent flows through a tube," Energy, Elsevier, vol. 28(8), pages 809-823.
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    Citations

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    Cited by:

    1. Kurtbaş, İrfan & Celik, Nevin & Dinçer, İbrahim, 2010. "Exergy transfer in a porous rectangular channel," Energy, Elsevier, vol. 35(1), pages 451-460.
    2. Ren, Ting & Sun, Yang & Zhang, Jiye & Yan, Gaocheng & Mu, Huaiping & Liu, Shi, 2016. "Optimal energy use of the collector tube in solar power tower plant," Renewable Energy, Elsevier, vol. 93(C), pages 525-535.
    3. Amani, E. & Nobari, M.R.H., 2011. "A numerical investigation of entropy generation in the entrance region of curved pipes at constant wall temperature," Energy, Elsevier, vol. 36(8), pages 4909-4918.
    4. Zheng, Ying & Cai, Jiu-ju & Dong, Hui & Feng, Jun-sheng & Liu, Jing-yu, 2019. "Experimental investigation of volumetric exergy transfer coefficient in vertical moving bed for sinter waste heat recovery," Energy, Elsevier, vol. 167(C), pages 428-439.
    5. Hajmohammadi, M.R. & Eskandari, H. & Saffar-Avval, M. & Campo, A., 2013. "A new configuration of bend tubes for compound optimization of heat and fluid flow," Energy, Elsevier, vol. 62(C), pages 418-424.
    6. Feng, Jun-sheng & Dong, Hui & Gao, Jian-ye & Liu, Jing-yu & Liang, Kai, 2016. "Exergy transfer characteristics of gas-solid heat transfer through sinter bed layer in vertical tank," Energy, Elsevier, vol. 111(C), pages 154-164.
    7. Sun, Wei & Cheng, Qinglin & Li, Zhidong & Wang, Zhihua & Gan, Yifan & Liu, Yang & Shao, Shuai, 2019. "Study on Coil Optimization on the Basis of Heating Effect and Effective Energy Evaluation during Oil Storage Process," Energy, Elsevier, vol. 185(C), pages 505-520.
    8. Wu, Shuang-Ying & Li, You-Rong & Chen, Yan & Xiao, Lan, 2007. "Exergy transfer characteristics of forced convective heat transfer through a duct with constant wall temperature," Energy, Elsevier, vol. 32(12), pages 2385-2395.
    9. San, J.-Y., 2010. "Second-law performance of heat exchangers for waste heat recovery," Energy, Elsevier, vol. 35(5), pages 1936-1945.

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