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Thermal Properties of Hemp Shives Used as Insulation Material in Construction Industry

Author

Listed:
  • Piotr Kosiński

    (Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Jana Heweliusza 4, 10-724 Olsztyn, Poland)

  • Przemysław Brzyski

    (Faculty of Civil Engineering and Architecture, Lublin University of Technology, 40 Nadbystrzycka Str., 20-618 Lublin, Poland)

  • Maria Tunkiewicz

    (Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Jana Heweliusza 4, 10-724 Olsztyn, Poland)

  • Zbigniew Suchorab

    (Faculty of Environmental Engineering, Lublin University of Technology, 40B Nadbystrzycka Str., 20-618 Lublin, Poland)

  • Damian Wiśniewski

    (Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Jana Heweliusza 4, 10-724 Olsztyn, Poland)

  • Paweł Palczyński

    (Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Jana Heweliusza 4, 10-724 Olsztyn, Poland)

Abstract

The article presents the results of studies concerning raw hemp shives obtained from the Polish crop of industrial hemp as a loose-fill thermal insulation material. The study focuses mainly on the measurements of the pore size distribution, thermal conductivity and air permeability of material. An increase in the value of the thermal conductivity coefficient (0.049–0.052 W/(m·K)) was demonstrated with an increase in the bulk density. The porosity of the individual pieces of shives is 78.7% and the predominant number of pores is in the diameter range of 0.9–3 μm. The paper also presents an example of the use of the tested material as thermal insulation of the wooden frame wall. The heat flow analysis was performed in various wall variants (insulation thickness: 100, 200 and 300 mm and pressure difference 0, 5, 10 and 15 Pa). A clear influence of the variables on the temperature distribution was observed.

Suggested Citation

  • Piotr Kosiński & Przemysław Brzyski & Maria Tunkiewicz & Zbigniew Suchorab & Damian Wiśniewski & Paweł Palczyński, 2022. "Thermal Properties of Hemp Shives Used as Insulation Material in Construction Industry," Energies, MDPI, vol. 15(7), pages 1-18, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2461-:d:780767
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    References listed on IDEAS

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    1. Ip, Kenneth & Miller, Andrew, 2012. "Life cycle greenhouse gas emissions of hemp–lime wall constructions in the UK," Resources, Conservation & Recycling, Elsevier, vol. 69(C), pages 1-9.
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    Cited by:

    1. Ajabli, Houda & Zoubir, Amine & Elotmani, Rabie & Louzazni, Mohamed & Kandoussi, Khalid & Daya, Abdelmajid, 2023. "Review on Eco-friendly insulation material used for indoor comfort in building," Renewable and Sustainable Energy Reviews, Elsevier, vol. 185(C).
    2. Przemysław Brzyski & Magdalena Grudzińska & Martin Böhm & Grzegorz Łagód, 2022. "Energy Simulations of a Building Insulated with a Hemp-Lime Composite with Different Wall and Node Variants," Energies, MDPI, vol. 15(20), pages 1-16, October.
    3. Michał Kubiś & Piotr Łapka & Łukasz Cieślikiewicz & Genadijs Sahmenko & Maris Sinka & Diana Bajare, 2022. "Analysis of the Thermal Conductivity of a Bio-Based Composite Made of Hemp Shives and a Magnesium Binder," Energies, MDPI, vol. 15(15), pages 1-11, July.
    4. Magdalena Grudzińska & Krystian Patyna & Wojciech Jabłoński & Przemysław Brzyski, 2024. "Thermal Transmittance in Roof–Wall Structural Junction Areas Insulated with a Hemp–Lime Mixture," Energies, MDPI, vol. 17(2), pages 1-16, January.

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