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The effect of wind speed on the economical optimum insulation thickness for HVAC duct applications

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  • Yildiz, Abdullah
  • Ersöz, Mustafa Ali

Abstract

This study deals with the investigation into optimum insulation thickness of HVAC ducts and the effect of wind speed on it for the city of Uşak, Turkey. Optimum insulation thickness, energy savings over a lifetime of 10 years and payback periods are determined for the four different energy types as coal, fuel–oil, LPG and natural gas and two different insulation materials as fiberglass and rockwool. By using the P1–P2 method, the value of the amount of the net energy savings is calculated. The results indicate that optimum insulation thicknesses vary between 12.85 and 23.91cm, energy savings 79.36 and 98.45%, and payback periods 0.0053 and 0.0925 years depending on the type of fuel for fiberglass, whereas, optimum insulation thicknesses vary between 11.87 and 22.21cm, energy savings 76.63 and 98.26%, and payback periods 0.0061 and 0.1115 years depending on the type of fuel for rockwool. Moreover, 7ms−1 wind speed for LPG is highest in energy saving but 0.2ms−1 wind speed for natural gas is lowest in energy saving. Finally, the application of insulation in high wind speeds is more advantageous.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:rensus:v:55:y:2016:i:c:p:1289-1300
    DOI: 10.1016/j.rser.2015.03.073
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    References listed on IDEAS

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    Cited by:

    1. Ai, Wei & Wang, Liang & Lin, Xipeng & Zhang, Shuang & Bai, Yakai & Chen, Haisheng, 2023. "Mathematical and thermo-economic analysis of thermal insulation for thermal energy storage applications," Renewable Energy, Elsevier, vol. 213(C), pages 233-245.
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    3. 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.

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