Thermal performance of indirect green façade in composite climate of India

Nagdeve, Shruti S.; Manchanda, Shweta; Dewan, Anil

doi:10.1016/j.buildenv.2023.109998

Cited by 19 publications

(5 citation statements)

References 41 publications

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“…Other findings from northern Greece, with warm dry summers, revealed that vine-covered walls created a maximum surface temperature reduction of 8.3 • C [40]. In New Delhi, India, vine-covered façades exhibited temperature reductions of up to 8.1 • C compared to bare surfaces [39], where these authors noted the diminished cooling efficiency of vines in conditions of high relative humidity. This result aligns with our Toronto findings, specifically the negative association with the predictor variable RH in our south DHD descriptive model.…”

Section: Discussionmentioning

confidence: 92%

“…A 3.3 • C reduction in ambient outdoor temperature has been measured in the presence of a vegetated system on building walls [37]. Other studies have reported wide variations in wall-surface temperatures behind vegetation, many in the 8 to 12 • C range cooler than full sun, and one as much as 20.3 • C lower than non-shaded surfaces [38][39][40]. Models have been developed to assess the thermal impacts of plant-covered walls on indoor air temperature [41], and to simulate the effective shading performance of climbing plants [42].…”

Section: Introductionmentioning

confidence: 99%

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When Trees Are Not an Option: Perennial Vines as a Complementary Strategy for Mitigating the Summer Warming of an Urban Microclimate

Millward,

Blake

2024

Buildings

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This study evaluates the potential of Boston Ivy (Parthenocissus tricuspidata) to reduce building surface temperature in a mid-latitude North American city center where vine use for this purpose is uncommon. Vegetation can regulate city summer temperatures by providing shade and evaporative cooling. While planting trees has been a focus for many urban municipalities, trees require space (above and below ground), access to water, costly planting and maintenance, and may only be desirable to some city residents. To explore viable vegetation alternatives with fewer growth constraints, we deployed temperature loggers on the exterior walls of buildings in the urban core of Toronto, Canada, a large mid-latitude city. Perennial vines shaded some walls, while others were bare. These devices systematically tracked exterior surface temperature fluctuations over six months, including the growing season, with full vine-leaf coverage. During peak solar access periods, average daily temperature differentials between vine-shaded and non-shaded building surfaces ranged from up to 6.5 °C on south-facing building exteriors to 7.0 °C on west-facing walls. Models were developed to estimate daily degree hour difference, a metric integrating the magnitude and duration of the temperature-moderating potential of vines. At ambient temperatures ≥ 23 °C, solar radiation intensity and ambient air temperature were positively correlated with vine effectiveness in mitigating the rise in built surface temperature; relative humidity was negatively associated. Installing vine cover on urban buildings in the form of green façades can complement tree planting as cities become hotter due to climate change, and space for growing trees diminishes with urban densification. Future research into the capacity of green façades to regulate outdoor temperature must establish uniform measurement protocols and undertake evaluations in diverse climatic scenarios.

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Section: Discussionmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

When Trees Are Not an Option: Perennial Vines as a Complementary Strategy for Mitigating the Summer Warming of an Urban Microclimate

Millward,

Blake

2024

Buildings

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“…According to N. et al, these panels must possess specific essential characteristics. These include the ability to withstand moisture, fire, and insect infestations and to demonstrate great strength and durability [25].…”

Section: Technical Specifications and Installation Directives Of Bio-...mentioning

confidence: 99%

Assessing the Role and Efficiency of Thermal Insulation by the “BIO-GREEN PANEL” in Enhancing Sustainability in a Built Environment

Almusaed,

Almssad,

Alasadi

et al. 2023

Sustainability

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The pressing concern of climate change and the imperative to mitigate CO2 emissions have significantly influenced the selection of outdoor plant species. Consequently, evaluating CO2’s environmental effects on plants has become integral to the decision-making process. Notably, reducing greenhouse gas (GHG) emissions from buildings is significant in tackling the consequences of climate change and addressing energy deficiencies. This article presents a novel approach by introducing plant panels as an integral component in future building designs, epitomizing the next generation of sustainable structures and offering a new and sustainable building solution. The integration of environmentally friendly building materials enhances buildings’ indoor environments. Consequently, it becomes crucial to analyze manufacturing processes in order to reduce energy consumption, minimize waste generation, and incorporate green technologies. In this context, experimentation was conducted on six distinct plant species, revealing that the energy-saving potential of different plant types on buildings varies significantly. This finding contributes to the economy’s improvement and fosters enhanced health-related and environmental responsibility. The proposed plant panels harmonize various building components and embody a strategic approach to promote health and well-being through bio-innovation. Furthermore, this innovative solution seeks to provide a sustainable alternative by addressing the challenges of unsustainable practices, outdated standards, limited implementation of new technologies, and excessive administrative barriers in the construction industry. The obtained outcomes will provide stakeholders within the building sector with pertinent data concerning performance and durability. Furthermore, these results will enable producers to acquire essential information, facilitating product improvement.

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“…The main potential drawbacks of green façades include an increase in relative humidity [101], elevated fire risks, an increase in maintenance costs and a need of plant healthcare and insect control [96]. However, it is not possible to reliably predict the energy saving performance of naturebased systems due to variability of outdoor conditions and the fact that plants are alive; the green façades can be used in new buildings to enhance energy efficiency and applied to existing buildings as a way of energy retrofit.…”

Section: Nature-based Solutions For Energy Savingmentioning

confidence: 99%

Environmentally Friendly Smart Construction—Review of Recent Developments and Opportunities

Shufrin,

Pasternak,

Dyskin

2023

Applied Sciences

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Modern economic, social and environmental challenges require a new type of construction that ensures resilience, low construction costs and ease of maintenance. Material production, manufacturing of structural elements and final assembly should minimise the environmental impacts, such as greenhouse emissions and waste production. This review aims to identify the key routes of research and development required to address the environmental challenges the construction industry faces. It outlines recent advances and highlights the rising opportunities. The strategies with great perspectives include 3D concrete printing, prefabrication and modular construction, mortarless construction, development and utilization of sustainable, smart and composite materials, renewable energy systems and automation technologies including the Digital Twin technology. Hybrid approaches that combine traditional and novel construction methods present the greatest potential. Overall, collaboration between stakeholders is crucial in driving innovation and successfully implementing these advancements.

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Thermal performance of indirect green façade in composite climate of India

Cited by 19 publications

References 41 publications

When Trees Are Not an Option: Perennial Vines as a Complementary Strategy for Mitigating the Summer Warming of an Urban Microclimate

When Trees Are Not an Option: Perennial Vines as a Complementary Strategy for Mitigating the Summer Warming of an Urban Microclimate

Assessing the Role and Efficiency of Thermal Insulation by the “BIO-GREEN PANEL” in Enhancing Sustainability in a Built Environment

Environmentally Friendly Smart Construction—Review of Recent Developments and Opportunities

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