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Exergy transfer in a porous rectangular channel

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  • Kurtbaş, İrfan
  • Celik, Nevin
  • Dinçer, İbrahim

Abstract

Present paper is performed to investigate the heat and exergy transfer characteristics of forced convection flow through a horizontal rectangular channel where open-cell metal foams of different pore densities such as 10, 20 and 30PPI (per pore inches) were situated. All of the bounding walls of the channel are subjected to various uniform heat fluxes. The pressure drop and heat transfer characteristics are presented by two important parametric values, Nusselt number (NuH) and friction factor (f), as functions of Reynolds number (ReH) and the wall heat flux (q). The Reynolds number (ReH) based on the channel height of the rectangular channel is varied from 600 to 33 000, while the Grashof number (GrDh) ranged from approximately 105–107 depending on q. Based on the experimental data, new empirical correlations are constructed to link the NuH. The results of all cases are compared to that of the empty channel and the literature. It is found that the results are in good agreement with those cited in the references. The mean exergy transfer Nusselt number (Nue) based on the ReH, NuH, Pr and q for a rectangular channel with constant heat flux is presented and discussed.

Suggested Citation

  • Kurtbaş, İrfan & Celik, Nevin & Dinçer, İbrahim, 2010. "Exergy transfer in a porous rectangular channel," Energy, Elsevier, vol. 35(1), pages 451-460.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:1:p:451-460
    DOI: 10.1016/j.energy.2009.10.011
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    References listed on IDEAS

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    1. 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.
    2. 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.
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    Cited by:

    1. 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.
    2. Zhiquan Wu & Shaoxiang Zhou & Liansuo An & Guoqing Shen & Hailin Shi, 2011. "Theoretical Foundation for Energy Structure Adjustment," Modern Applied Science, Canadian Center of Science and Education, vol. 5(1), pages 133-133, February.
    3. Bilen, K. & Gok, S. & Olcay, A.B. & Solmus, I., 2017. "Investigation of the effect of aluminum porous fins on heat transfer," Energy, Elsevier, vol. 138(C), pages 1187-1198.
    4. Roy, Monisha & Roy, S. & Basak, Tanmay, 2015. "Role of various moving walls on energy transfer rates via heat flow visualization during mixed convection in square cavities," Energy, Elsevier, vol. 82(C), pages 1-22.
    5. 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.
    6. Amori, Karima E. & Laibi, Hussein Alwan, 2011. "Experimental and numerical analysis of electrical metal foam heater," Energy, Elsevier, vol. 36(7), pages 4524-4530.

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