Roof-Integrated Green Technologies, Energy Saving and Outdoor Thermal Comfort: Insights from a Case Study in Urban Environment

Mutani, Guglielmina; Todeschi, Valeria

doi:10.18280/ijsdp.160102

Cited by 20 publications

(11 citation statements)

References 53 publications

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“…The outdoor thermal comfort in the northern Italian city of Turin was investigated in districts with different built environment characteristics. Following the literature review, ENVI-met is the most widespread software for thermal comfort analyses at the local scale [23,24], while UMEP-SOLWEIG is the most suitable QGIS tool for urban scale analyses. Therefore, UMEP-SOLWEIG was compared with ENVI-met and then utilized to evaluate local climate and outdoor thermal comfort conditions in two neighborhoods of Turin.…”

Section: Methodsmentioning

confidence: 99%

Geospatial Assessment and Modeling of Outdoor Thermal Comfort at Urban Scale

Mutani¹,

Beltramino²

2022

IJHT

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Climate changes and urban population growth are increasing the heat island effects in cities, making the urban outdoor environment less comfortable for people. Consequently, improving the thermal comfort conditions of urban open spaces could be considered one important challenge that cities can pursue in the upcoming years. As a first step, this work aims to assess which GIS tools are most useful for evaluating place-based outdoor thermal comfort conditions at urban scale. The UMEP-SOLWEIG (QGIS) tool was described and compared with ENVI-met, to calculate the thermal comfort indexes in different outdoor spaces, during extreme summer and winter conditions, in the city of Turin. These tools can be easily implemented in platforms to represent the spatial distribution of thermal comfort conditions in cities for prioritizing strategies and defining effective actions within land-use plans. This type of representation is crucial as it provides very comprehensible results to urban or regional planners and policy-makers. In this study, UMEP-SOLWEIG appeared to be the most suitable tool since it is the best compromise between simulation time and accuracy at urban scale.

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Section: Methodsmentioning

confidence: 99%

Geospatial Assessment and Modeling of Outdoor Thermal Comfort at Urban Scale

Mutani¹,

Beltramino²

2022

IJHT

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“…Incontrovertibly, the entire life cycle of a building should be considered when evaluating its sustainability [19]. It is, thus, essential to design sustainable urban spaces that improve energy independence and urban resilience; hence, smart green technologies should be promoted in buildings [21]. Despite the extensive global studies devoted toward housing affordability, few, if any, have sought to address housing affordability and sustainability through innovation.…”

Section: Literature Review 21 Sustainable Affordable Housing Reviewmentioning

confidence: 99%

“…The structural elements include the foundation and footings, curtain walls (exterior) and load-bearing walls (interior), beams and columns, floors, and the roof. The use of green roofs and urban greenery, for instance, can decrease the mean radiant temperature by about 10°C during the summer season, improving indoor thermal comfort conditions and resulting in savings of up to 12% in space cooling energy consumption [21]. Faroughi et al [18] suggest that among the variables examined in their study, the type and size of buildings, orientation of building, texture concentration, and surface color, among other things, are the most important factors affecting energy consumption.…”

Section: House Elementmentioning

confidence: 99%

A Critical Success Factor Framework for Implementing Sustainable Innovative and Affordable Housing: A Systematic Review and Bibliometric Analysis

et al. 2021

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The actualization of affordable housing remains a challenge. This challenge is exacerbated by the increasing societal demand for the incorporation of sustainability principles into such housing types to improve levels of occupant health and well-being whilst avouching the desired levels of affordability. Innovative technologies and practices have been described as beneficial to the effectuation of sustainable affordable housing. However, knowledge concerning the deployment of innovative technologies and practices in sustainable affordable housing (sustainable, innovative, affordable housing—SIAH) delivery remains nascent. Consequently, there is a lack of a common ontology among stakeholders concerning how to realize SIAH. This study aims to contribute toward the development of this body of knowledge through the establishment of the critical success factors (CSFs) for effective SIAH implementation. To achieve this objective, a systematic review and bibliometric analysis focusing on a juxtaposition of sustainable, innovative and affordable housing concepts was carried out based on the relevant literature. This led to the identification and clustering of CSFs for these housing concepts at individual levels and as a collective (SIAH). The findings of the study consisted of the establishment of four distinct yet interrelated facets through which SIAH can be achieved holistically, namely, housing design, house element, housing production method and housing technology. A total of 127 CSFs were found to be aligned to these facets, subsequently clustered, and conclusively used for the development of a SIAH CSF framework. The most frequently occurring CSFs with predominant interconnections were the utilization of energy-efficient systems/fittings, tenure security, a comfortable and healthy indoor environment, affordable housing price in relation to income and using water-efficient systems/fittings CSFs, and establishing the emergent SIAH CSF framework. The framework in this study is useful in the documentation of SIAH features for construction projects and further studies into SIAH CSFs.

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“…The use of thermal comfort models is often accompanied with the evaluation of local climate conditions and in-situ measurement campaigns to verify the goodness of the results obtained. In some studies, [5][6][7][8][9] ENVI-met, Rayman and SOLWEIG were used associated with buildings energy-use models such as CitySim or GIS-based models considering also local climate data collected with measurement campaigns [10][11][12][13][14][15][16]. In general, for thermal comfort analyses the most used tool is ENVI-met and in some works the goodness of the results is taken for granted [7,[13][14][15], while in others it is made a comparison with the results of Rayman and SOLWEIG [5,[17][18][19][20][21][22][23][24][25][26][27].…”

Section: State Of the Artmentioning

confidence: 99%

“…is the long-wave radiation intensity of the sky (W/m 2 ) elaborated according to [8]; is the long-wave radiation intensity of urban surfaces (W/m 2 ) elaborated according to [8];…”

Section: Thermal Comfort Indexesmentioning

confidence: 99%

How to Improve the Liveability in Cities: The Effect of Urban Morphology and Greening on Outdoor Thermal Comfort

Mutani¹,

Todeschi²,

Beltramino³

2021

TI-IJES

Self Cite

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Extensive and intensive green roofs and vegetated walls should be used to improve the livability in cities, especially in densely built-up context, in order to optimize their contribution on energy savings and greenhouse gas emissions, improving thermal comfort conditions and ensuring a greater storm-water runoff. The aim of this study is to evaluate the effect of urban morphology and to quantify the impact of green surfaces and plants on outdoor thermal comfort conditions. The analysis was applied to six neighborhoods in the city of Turin, identified as typical districts with different building geometries, urban contexts and green presence. The outdoor thermal comfort conditions were assessed calculating a set of indicators, such as the predicted mean vote and the physiological equivalent temperature, with the support of ENVI-met tool. Retrofit scenarios were hypothesized, and outdoor thermal comfort conditions were investigated before and after the installation of green roofs and vegetated areas. The result allowed to understand how thermal comfort vary, considering the building geometry, urban morphology, and green areas in different zones of the city of Turin. By analyzing neighborhoods, it is possible to identify the optimal built environment that ensure better thermal comfort conditions. These models and tools could support urban planners in defining the best measures to improve the liveability and quality in the built environment considering local constraints and the real characteristics of the territory or in designing new neighborhoods.

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Roof-Integrated Green Technologies, Energy Saving and Outdoor Thermal Comfort: Insights from a Case Study in Urban Environment

Cited by 20 publications

References 53 publications

Geospatial Assessment and Modeling of Outdoor Thermal Comfort at Urban Scale

Geospatial Assessment and Modeling of Outdoor Thermal Comfort at Urban Scale

A Critical Success Factor Framework for Implementing Sustainable Innovative and Affordable Housing: A Systematic Review and Bibliometric Analysis

How to Improve the Liveability in Cities: The Effect of Urban Morphology and Greening on Outdoor Thermal Comfort

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