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Heat transfer characteristics of air cross-flow for in-line arrangement of spirally corrugated tube and smooth tube bundles

  • Civil & Mechanical Engineering
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Abstract

An experimental study on heat transfer and resistance coefficients of linearly arranged smooth and spirally corrugated tube bundles in cross-flow was performed. The heat transfer and resistance coefficients are presented in this paper with transverse and longitudinal tube-pitch and tube geometries taken into account. The experiment’s results can provide technical guidelines for application to horizontal air preheater with arranged in-line spirally corrugated tube bundles, especially to the air preheater for CFBCBs (Circulating Fluidized Bed Combustion Boilers).

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Authors and Affiliations

  1. School of Mechanical and Energy Engineering, Zhejiang University, 310027, Hangzhou, China

    Lu Guo-dong & Yu Xiao-li

  2. Department of Power Engineering, Southeast University, 210096, Nanjing, China

    Zhou Qiang-tai

  3. School of Energy and Power Engineering, Shandong University, 250061, Jinan, China

    Tian Mao-cheng & Cheng Lin

Authors
  1. Lu Guo-dong
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  2. Zhou Qiang-tai
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  3. Tian Mao-cheng
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  4. Cheng Lin
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  5. Yu Xiao-li
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Corresponding author

Correspondence to Lu Guo-dong.

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Guo-dong, L., Qiang-tai, Z., Mao-cheng, T. et al. Heat transfer characteristics of air cross-flow for in-line arrangement of spirally corrugated tube and smooth tube bundles. J Zheijang Univ Sci A 6, 670–675 (2005). https://doi.org/10.1631/jzus.2005.A0670

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  • DOI: https://doi.org/10.1631/jzus.2005.A0670

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