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Optimum insulation-thickness for thermal and freezing protection

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  • Li, Y. F.
  • Chow, W. K.

Abstract

Methods for protecting water pipes, in cold regions against freezing, by thermal insulation material and heating cable will be analyzed. Reliability of keeping the tube's wall temperature of a piping system at minimum value will be analyzed. A thermoeconomic optimization analysis is applied with a simple algebraic formula derived for estimating the optimum insulation thickness for tubes of different sizes. The optimization is based on a life-cycle cost analysis. The effects of design parameters on the optimum thickness are investigated. Predicted results of this study would provide useful reference data when considering design, practical operation or maintenance.

Suggested Citation

  • Li, Y. F. & Chow, W. K., 2005. "Optimum insulation-thickness for thermal and freezing protection," Applied Energy, Elsevier, vol. 80(1), pages 23-33, January.
    • Handle: RePEc:eee:appene:v:80:y:2005:i:1:p:23-33
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    References listed on IDEAS

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    1. Hasan, Afif, 1999. "Optimizing insulation thickness for buildings using life cycle cost," Applied Energy, Elsevier, vol. 63(2), pages 115-124, June.
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    Cited by:

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    2. Lyu, Yuan-Li & Chow, Tin-Tai & Wang, Jin-Liang, 2018. "Numerical prediction of thermal performance of liquid-flow window in different climates with anti-freeze," Energy, Elsevier, vol. 157(C), pages 412-423.
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    6. Ucar, Aynur & Balo, Figen, 2009. "Effect of fuel type on the optimum thickness of selected insulation materials for the four different climatic regions of Turkey," Applied Energy, Elsevier, vol. 86(5), pages 730-736, May.
    7. Sevindir, M. Kemal & Demir, Hakan & Ağra, Özden & Atayılmaz, Ş. Özgür & Teke, İsmail, 2017. "Modelling the optimum distribution of insulation material," Renewable Energy, Elsevier, vol. 113(C), pages 74-84.
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