Energy efficiency and hygrothermal performance of hemp clay walls for Moroccan residential buildings
- Hemp-based building envelopes have gained significant popularity in developed countries, and now the trend of constructing houses with hemp-clay blocks is spreading to developing countries like Morocco. Investigating the hygrothermal behavior of such structures under actual climate conditions is essential for advancing and promoting this sustainable practice. This paper presents an in-depthHemp-based building envelopes have gained significant popularity in developed countries, and now the trend of constructing houses with hemp-clay blocks is spreading to developing countries like Morocco. Investigating the hygrothermal behavior of such structures under actual climate conditions is essential for advancing and promoting this sustainable practice. This paper presents an in-depth experimental characterization of a commercial hemp-clay brick that has been exposed to the outdoor environment for four years, in addition to field measurements on a building scale demonstration prototype. Additionally, the study simulates 17 representative cities to assess the hygrothermal performance and energy-saving potential in each of Morocco's six existing climate zones, using the EnergyPlus engine. The experimental campaign's findings demonstrate excellent indoor air temperature and relative humidity regulation within the hemp-clay wall building, leading to satisfactory levels of thermal comfort within hemp-clay wall buildings. This is attributed to the material's good thermal conductivity and excellent moisture buffering capacity (found to be 0.31 W/mK and 2.25 g/m2%RH), respectively). The energy simulation findings also point to significant energy savings, with cooling and heating energy reductions ranging from 27.7% to 47.5% and 33.7% to 79.8%, respectively, as compared to traditional Moroccan buildings.…
Document Type: | Article (reviewed) |
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Zitierlink: | https://opus.hs-offenburg.de/7962 | Bibliografische Angaben |
Title (English): | Energy efficiency and hygrothermal performance of hemp clay walls for Moroccan residential buildings |
Subtitle (English): | An integrated lab-scale, in-situ and simulation-based assessment |
Author: | Niima Es-sakali, Mouatassim Charai, Samir Idrissi Kaitouni, Imad Ait Laasri, Mohamed Oualid Mghazli, Moha Cherkaoui, Jens PfafferottStaff MemberORCiDGND, Sung Ukjoo |
Year of Publication: | 2023 |
Publisher: | Elsevier |
Page Number: | 18 |
First Page: | 1 |
Last Page: | 18 |
Article Number: | 121967 |
Parent Title (English): | Applied Energy |
Volume: | 352 |
ISSN: | 1872-9118 |
DOI: | https://doi.org/10.1016/j.apenergy.2023.121967 |
Language: | English | Inhaltliche Informationen |
Institutes: | Forschung / INES - Institut für nachhaltige Energiesysteme |
Fakultät Maschinenbau und Verfahrenstechnik (M+V) | |
Institutes: | Bibliografie |
DDC classes: | 600 Technik, Medizin, angewandte Wissenschaften |
GND Keyword: | Baustoff; Energieeffizienz; Lehm |
Tag: | Bio-based building envelope; Energy efficiency; Energy savings; Field measurements; Hemp clay bricks; Hygrothermal properties; Thermal comfort | Formale Angaben |
Relevance: | Wiss. Zeitschriftenartikel reviewed: Listung in Master Journal List |
Open Access: | Closed |
Licence (German): | Urheberrechtlich geschützt |