Improving indoor environmental quality in an affordable house by using a vegetated wall: A case study in subtropical Brazil

Gabriel, Elaise; Piccilli, Daniel Gustavo Allasia; Tassi, Rutineia; Köhler, Manfred; Krebs, Lisandra Fachinello

doi:10.1016/j.buildenv.2023.111146

Building and Environment

2024

DOI: 10.1016/j.buildenv.2023.111146

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Improving indoor environmental quality in an affordable house by using a vegetated wall: A case study in subtropical Brazil

Elaise Gabriel,

Daniel Gustavo Allasia Piccilli,

Rutineia Tassi

et al.

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2024

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Cited by 3 publications

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Impact of vertical greening on urban microclimate and historic building materials: A meta-analysis

De Groeve,

Kale,

Godts

et al. 2024

Building and Environment

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Impact of vertical greening on urban microclimate and historic building materials: A meta-analysis

De Groeve,

Kale,

Godts

et al. 2024

Building and Environment

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Assessing acoustic performance of building material: A finite element model for 3D printed multilayer micro-perforated panels with compressed earth blocks

Bainamndi,

Siryabe,

Ntamack

et al. 2024

Building Acoustics

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This study deals with 3D printing multilayered micro-perforated panels (M-MPPs) coupled with buildings materials as compressed earth block for noise reduction applications. The sound absorption coefficient α is utilized as a metric to assess the sound insulation capabilities across a frequency range spanning from 10 to 3000 Hz, then evaluated and validated by numerical and experimental methods. The FEM model developed makes it possible to predict the acoustic absorption of M-MPPs by tuning the frequency range and varying optimized acoustics parameters, considering hole-hole interaction and taking into account visco-thermal effects that are present in compressed earth blocks. It is shown that the shape of perforations and material properties including the porosity rate, arrangement in the design of multilayer micro-perforated structures are identified to play a significant role in the sound performance of the entire structure. In addition, the application of MPP coupled with compressed earth blocks improve the sound absorption capacity of the composite structure. The developed FEM leads to accurate prediction of performance, efficient optimization, and cost effectiveness. Finally, the present study reveals the importance of M-MPPs combined with compressed earth blocks (CEBs) as viable noise reduction materials, particularly relevant for engineering applications and development initiatives in emerging economies.

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Enhancing Sustainable Thermal Comfort of Tropical Urban Buildings with Indoor Plants

Priya,

Senthil

2024

Buildings

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Rapid urbanization exacerbates the urban heat island effect, raising local temperatures and endangering residents’ health and well-being. The decreasing green spaces resulting from urbanization necessitate global action focused on reducing heat island intensity and addressing heat stress. Urban green infrastructure (UGI) offers solutions for enhanced comfort and reduced pollution through passive methods. Various large-scale UGI projects have been implemented to regulate temperature and improve air quality in urban areas. More research on smaller green spaces is essential to improve the microclimate in space-constrained urban cities. This experimental study examines the thermal effectiveness of potted plants located on balconies of a mid-rise residential building in Chennai, India. The study aims to enlighten balcony greening’s role in reducing heat stress by monitoring temperature and humidity indoors and outdoors, with and without potted plants at similar solar radiation. Potted plants significantly lowered indoor air and surface temperatures by about 3 °C. Thus, balconies offer untapped potential for green interventions that are often unnoticed in tropical climates like India. The challenges in the installation and maintenance of UGI hinder the widespread adoption of UGI even though UGI positively influences residential well-being. The significant findings benefit urban planners and architects, enlightening strategies to enhance urban thermal comfort and mitigate heat stress through small-scale and cost-effective green interventions. This research contributes to sustainable urban development in tropical climates, aligning with several UN Sustainable Development Goals (SDGs), including SDGs 3, 7, 11, 13, and 15.

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Improving indoor environmental quality in an affordable house by using a vegetated wall: A case study in subtropical Brazil

Cited by 3 publications

References 49 publications

Impact of vertical greening on urban microclimate and historic building materials: A meta-analysis

Impact of vertical greening on urban microclimate and historic building materials: A meta-analysis

Assessing acoustic performance of building material: A finite element model for 3D printed multilayer micro-perforated panels with compressed earth blocks

Enhancing Sustainable Thermal Comfort of Tropical Urban Buildings with Indoor Plants

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