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Investigation on a Bio-Composite Material as Acoustic Absorber and Thermal Insulation

Author

Listed:
  • Domenico Curto

    (Dipartimento di Ingegneria, Università degli Studi di Palermo, 90133 Palermo, Italy)

  • Andrea Guercio

    (Dipartimento di Ingegneria, Università degli Studi di Palermo, 90133 Palermo, Italy)

  • Vincenzo Franzitta

    (Dipartimento di Ingegneria, Università degli Studi di Palermo, 90133 Palermo, Italy)

Abstract

In order to limit the anthropic emissions of CO 2 , research is currently investigating new materials for the building sector. The main purpose is the reduction in the embodied energy consumption, especially in the residential sector, and consequently the limitation of the direct and indirect utilization of fossil fuels, for the indoor heating, cooling, and ventilation services. Indeed, the residential sector is affected by a high energy demand, thus the choice of improved materials is fundamental to improve the sustainability. All phases: construction, building life, and dismantling are impacting in terms of resource and energy consumption, both associated with the emissions of pollutants in the atmosphere. The aim of this experimental research is to study the thermal insulation and the acoustic absorption of a material composed by natural lime, water, and shives from sativa hemp, a variety of hemp usable for industrial applications. In order to assess the main characteristics of this material, some specimens have been made according to required shapes and sizes to test them in specific machines. The results obtained from the tests are compared with the values of similar lime-based materials already available on the market. The comparison shows how, in certain aspects, the lime and hemp shives materials represent a concrete alternative to conventional materials. This completely natural material would like to achieve thermal and acoustic comfort in indoor environments.

Suggested Citation

  • Domenico Curto & Andrea Guercio & Vincenzo Franzitta, 2020. "Investigation on a Bio-Composite Material as Acoustic Absorber and Thermal Insulation," Energies, MDPI, vol. 13(14), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:14:p:3699-:d:386281
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    References listed on IDEAS

    as
    1. Luhang Lin & Yinzi Fan & Meilian Xu & Chuanwang Sun, 2017. "A Decomposition Analysis of Embodied Energy Consumption in China’s Construction Industry," Sustainability, MDPI, vol. 9(9), pages 1-12, September.
    2. Sung-Hoon Kang & Sang-Ok Lee & Sung-Gul Hong & Yang-Hee Kwon, 2019. "Historical and Scientific Investigations into the Use of Hydraulic Lime in Korea and Preventive Conservation of Historic Masonry Structures," Sustainability, MDPI, vol. 11(19), pages 1-16, September.
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    Cited by:

    1. Laurentiu Adam & Loredana Judele & Iuliana Motrescu & Ion Rusu & Daniel Lepadatu & Roxana Dana Bucur, 2023. "Advanced Design for Experimental Optimisation of Physico-Mechanical Characteristics of Sustainable Local Hemp Concrete," Sustainability, MDPI, vol. 15(11), pages 1-16, May.
    2. Ákos Lakatos, 2022. "Novel Thermal Insulation Materials for Buildings," Energies, MDPI, vol. 15(18), pages 1-4, September.
    3. Domenico Curto & Vincenzo Franzitta & Andrea Guercio & Pierluca Martorana, 2022. "FEM Analysis: A Review of the Most Common Thermal Bridges and Their Mitigation," Energies, MDPI, vol. 15(7), pages 1-14, March.

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