The impact of urban morphology and building's height diversity on energy consumption at urban scale. The case study of Dubai

Shareef, Sundus

doi:10.1016/j.buildenv.2021.107675

Cited by 41 publications

(10 citation statements)

References 39 publications

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“…One of the most important documents proposed at the urban level is the "Green Paper" [4] which includes policies to reduce the environmental impacts of urban activities by using a specific and clear approach to applying energy management criteria and indicators in the urban system, "focusing on two sectors: urban transport. (15-35% of total urban energy demand according to world statistics) [16] and the residential sector (representing approximately 40% of total energy consumption) [37], which was verified by reviewing global frameworks, as the one applied in Copenhagen, the first green sustainable city in the world according to The Green City Index 2014 within the PLLEC (Global Green Zero Emissions vision 2025). The World Bank's annual reports (WB, 2011.2015.2020) [33] also confirmed differences in the energy consumption rates of major urban sectors according to the economic classification of developing and developed countries.…”

Section: The Main Aspects Of Methodological Frameworkmentioning

confidence: 87%

“…Simulation tools presented in this sec will be divided into three groups building energy performance; microclimate analysis, and tools to analyze urban neighborhood patterns. First of all, "Energy Proforma," testing "clean energy and end-use profiles" FW by providing standard design measures, benchmarks, and innovative alternatives, especially in the planning stages in MIT, 2012 [37] Then UEIB FW estimates energy use profiles for cooling/heating based on a parametric and mathematical model that presents architectural planning variables (FSI, GSI, and Compactness Ratio) [16] and develops project scenarios. It conducts an extensive analysis using thermo-dynamic models (e.g., Reinhart et al, 2013) combined with a statistical platform (e.g., Liu & Sweeney, 2012) [1][29] [6].…”

Section: Aspects/potential Of On Energy Performance In Urban Planning...mentioning

confidence: 99%

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Development of a Methodological Framework for Measuring Energy Performance of Urban Patterns in New Egyptian Communities (Toward Achieving Sustainable Urban Regeneration)

Farahat¹,

Shehata²,

Seoud³

2022

cea

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Section: The Main Aspects Of Methodological Frameworkmentioning

confidence: 87%

Section: Aspects/potential Of On Energy Performance In Urban Planning...mentioning

confidence: 99%

Development of a Methodological Framework for Measuring Energy Performance of Urban Patterns in New Egyptian Communities (Toward Achieving Sustainable Urban Regeneration)

Farahat¹,

Shehata²,

Seoud³

2022

cea

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“…The geometric form and layout form of buildings in a city can directly affect the overall building energy intensity within a block, such as the length, width, and height of buildings, as well as urban form elements, such as enclosed or open layouts [19]. Sundus Shareef [20] explored the effect of urban form on building cooling energy consumption for the local climatic conditions in the UAE, and the study results manifested that orientation change was the most significant influencing factor. Y. Shi et al [21] analyzed the correlation between hospital building layout and energy consumption by surveying 30 hospitals.…”

Section: Literature Review 21 Research On Energy Savings In Urban Set...mentioning

confidence: 99%

Energy Utilization and Carbon Reduction Potential of Solar Energy in Residential Blocks: A Case Study on a Tropical High-Density City in China

Li,

Wang

et al. 2023

Sustainability

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Energy efficiency in high-density urban areas is increasingly gaining more attention as the energy crisis and environmental issues worsen. Urban morphology is an essential factor affecting the energy consumption and solar energy development potential of buildings. In response to the research gap of previous studies that only analyzed building energy consumption or solar energy potential from a single objective, this paper aims to combine the two objectives of block-scale building energy consumption and solar development potential to explore the joint influence of urban residential morphological elements on correlations between the two. By investigating and summarizing 100 sample cases of Wuhan city blocks, 30 urban residential block prototypes were constructed. The correlations between the leading morphological indicators of the blocks with the building energy consumption and solar energy potential of the residential prototypes were quantified, respectively. The study results show that at certain floor area ratios, the highest solar power generation can be achieved with a mixture of high-rise slabs and high-rise towers, but the building energy intensity level is relatively high; combining building energy consumption and solar power generation, the residential block form of high-rise towers and low-rise villas has incredible energy-saving potential. In addition, the regression analysis results show that three block form indicators, namely the roof-to-envelope area ratio, compacity, and site coverage, have the most prominent influence on building energy intensity and solar power generation, and they all show positive correlations. This study can provide suggestions for urban residential planners and managers to promote urban energy conservation at the design stage.

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“…When integrating indoor and outdoor thermal parameters, it is essential to recognize how each building within an urban block has an influence on the others, ultimately giving a fuller picture of the energy performance of the overall area. Unfortunately, building regulations tend to disregard the role of urban morphology and architecture when developing sustainable cities, oftentimes resulting in uniform-height buildings being a dominant feature [27].…”

Section: Introductionmentioning

confidence: 99%

Outdoor Thermal Comfort Integrated with Energy Consumption for Urban Block Design Optimization: A Study of the Hot-Summer Mediterranean City of Irbid, Jordan

Khraiwesh,

Genovese

2023

Sustainability

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With an increasing awareness of urban health and well-being, this study highlights the growing importance of considering environmental quality in urban design beyond mere energy performance. This study integrates outdoor and indoor quality by investigating the effect of design parameters at an urban block scale (building form restricted to width and length as rectangular and square, building orientation, block orientation, building combination, building height, facade length, built-up percentage, setbacks, and canyon aspect ratio) on outdoor thermal comfort and energy use intensity. In addition, it explains the different correlations between outdoor thermal comfort and energy use intensity in different urban block designs in a hot-summer Mediterranean climate in Jordan. The study adopts a performance-driven approach using simulation tools of Ladybug, Honeybee, Dragonfly, and Eddy3d plugins across the grasshopper interface and evaluates 59 different urban block designs with nine different orientations (0°, 1°, 45°, 85°, 87°, 90°, 355°, 358°, and 359°). The results show that there is a positive correlation between the canyon aspect ratio and the environmental performance of the urban block designs. North–south street canyons are more effective at enhancing microclimates. Negatively increasing the street aspect ratio by more than four affected outdoor thermal comfort by increasing longwave radiation. Further results suggest a positive correlation between the compactness of urban blocks and their environmental performance, with north–south street canyons found to be more effective in enhancing microclimates. The study emphasizes the need to understand the distribution of open spaces formed by buildings and to strike a balance between day and night, as well as summer and winter conditions in outdoor spaces.

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The impact of urban morphology and building's height diversity on energy consumption at urban scale. The case study of Dubai

Cited by 41 publications

References 39 publications

Development of a Methodological Framework for Measuring Energy Performance of Urban Patterns in New Egyptian Communities (Toward Achieving Sustainable Urban Regeneration)

Development of a Methodological Framework for Measuring Energy Performance of Urban Patterns in New Egyptian Communities (Toward Achieving Sustainable Urban Regeneration)

Energy Utilization and Carbon Reduction Potential of Solar Energy in Residential Blocks: A Case Study on a Tropical High-Density City in China

Outdoor Thermal Comfort Integrated with Energy Consumption for Urban Block Design Optimization: A Study of the Hot-Summer Mediterranean City of Irbid, Jordan

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