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Modelling the optimum distribution of insulation material

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  • Sevindir, M. Kemal
  • Demir, Hakan
  • Ağra, Özden
  • Atayılmaz, Ş. Özgür
  • Teke, İsmail

Abstract

The optimum insulation thickness is determined according to investment and operation and maintenance costs using various economic analysis techniques. Calculation of thickness distribution according to maximum temperature differences may give undesired results if the temperature differences varies during time. Thus, the variation of temperature differences should be taken into account by optimizing the distribution of insulation material according to total amount of heat transfer. Also, neighboring volumes are kept at constant temperatures by means of cooling and heating by refrigerators and heat pumps. Therefore, total energy cost for both sides of the wall (heated/cooled one side and cooled/heated at the other side) should be considered. In this study, a general solution of the optimum distribution of thermal insulation material for a given investment cost or material volume is provided for the volumes confined with environments at different temperatures considering the total amount of heat transfer and total energy cost. Also a case study is given to explain the usage of the new method.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:renene:v:113:y:2017:i:c:p:74-84
    DOI: 10.1016/j.renene.2017.05.070
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    References listed on IDEAS

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    10. Daouas, Naouel, 2011. "A study on optimum insulation thickness in walls and energy savings in Tunisian buildings based on analytical calculation of cooling and heating transmission loads," Applied Energy, Elsevier, vol. 88(1), pages 156-164, January.
    11. Al-Sanea, Sami A. & Zedan, M.F., 2011. "Improving thermal performance of building walls by optimizing insulation layer distribution and thickness for same thermal mass," Applied Energy, Elsevier, vol. 88(9), pages 3113-3124.
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    1. Jie, Pengfei & Yan, Fuchun & Li, Jing & Zhang, Yumei & Wen, Zhimei, 2019. "Optimizing the insulation thickness of walls of existing buildings with CHP-based district heating systems," Energy, Elsevier, vol. 189(C).
    2. Rijing Zhao & Lin Qiao & Zijian Gao & Dong Huang, 2020. "Effect of Vacuum Insulation Panels on Energy Consumption and Thermal Load Transfer between Compartments in a Three-Temperature Frost-Free Refrigerator," Energies, MDPI, vol. 13(7), pages 1-14, March.
    3. Zhao, Tianyang & Liu, Guoqiang & He, Guixiang & Yan, Gang & Liu, Peng & Wang, Changyong, 2024. "Effect of structural improvement of gaskets on the heat leakage load and energy consumption of the refrigerator," Energy, Elsevier, vol. 300(C).

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