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Thermo-economic optimization of hot water piping systems: A comparison study

Author

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  • Öztürk, İ.T.
  • Karabay, H.
  • Bilgen, E.

Abstract

Four different thermo-economic techniques for optimum design of hot water piping systems are presented. They are as follows: the first one is a sequential optimization of pipe diameter based on minimization of total cost without considering heat losses and then of insulation thickness based on minimization of cost of insulation and heat losses. The second is simultaneous optimization of pipe diameter and insulation thickness based on the first law of thermodynamics and cost. The third is simultaneous determination of pipe diameter and insulation thickness based on maximization of exergy efficiency without considering cost. Finally, the fourth is simultaneous determination of pipe diameter and insulation thickness based on maximization of exergy efficiency and cost minimization. A case study is carried out for a hot water pipe segment, and the differences and merits of each method are discussed.

Suggested Citation

  • Öztürk, İ.T. & Karabay, H. & Bilgen, E., 2006. "Thermo-economic optimization of hot water piping systems: A comparison study," Energy, Elsevier, vol. 31(12), pages 2094-2107.
    • Handle: RePEc:eee:energy:v:31:y:2006:i:12:p:2094-2107
    DOI: 10.1016/j.energy.2005.10.008
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    References listed on IDEAS

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    1. Jones, Gerard F. & Lior, Noam, 1979. "Optimal insulation of solar heating system pipes and tanks," Energy, Elsevier, vol. 4(4), pages 593-621.
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    Cited by:

    1. Kruczek, Tadeusz, 2013. "Determination of annual heat losses from heat and steam pipeline networks and economic analysis of their thermomodernisation," Energy, Elsevier, vol. 62(C), pages 120-131.
    2. Ertürk, Mustafa, 2016. "Optimum insulation thicknesses of pipes with respect to different insulation materials, fuels and climate zones in Turkey," Energy, Elsevier, vol. 113(C), pages 991-1003.
    3. Yildiz, Abdullah & Ersöz, Mustafa Ali, 2016. "The effect of wind speed on the economical optimum insulation thickness for HVAC duct applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 1289-1300.
    4. Čož, T. Duh & Kitanovski, A. & Poredoš, A., 2017. "Exergoeconomic optimization of a district cooling network," Energy, Elsevier, vol. 135(C), pages 342-351.
    5. Daşdemir, Ali & Ertürk, Mustafa & Keçebaş, Ali & Demircan, Cihan, 2017. "Effects of air gap on insulation thickness and life cycle costs for different pipe diameters in pipeline," Energy, Elsevier, vol. 122(C), pages 492-504.
    6. Yildiz, Abdullah & Ali Ersöz, Mustafa, 2015. "Determination of the economical optimum insulation thickness for VRF (variable refrigerant flow) systems," Energy, Elsevier, vol. 89(C), pages 835-844.
    7. Başoğul, Yusuf & Keçebaş, Ali, 2011. "Economic and environmental impacts of insulation in district heating pipelines," Energy, Elsevier, vol. 36(10), pages 6156-6164.
    8. Kaynakli, Omer, 2014. "Economic thermal insulation thickness for pipes and ducts: A review study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 30(C), pages 184-194.
    9. De Rosa, Mattia & Bianco, Vincenzo, 2023. "Optimal insulation layer for heated water pipes under technical, economic and carbon emission constraints," Energy, Elsevier, vol. 270(C).

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