Urban microclimate and energy consumption: A multi-objective parametric urban design approach for dense subtropical cities

Abdollahzadeh, Nastaran; Biloria, Nimish

doi:10.1016/j.foar.2022.02.001

Cited by 26 publications

(14 citation statements)

References 34 publications

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“…It is therefore very important to identify the optimal form to be used dependent on the constraints of the climate in which the project will be implemented. The purpose of this study is to squeeze maximum benefits from passive strategies [3][4] in order to define better social housing products for demanders in Morocco. This analysis will provide guidelines to architects on orientation, WWR and distancing between buildings in order to maximise both profit and comfort for end-users.…”

Section: Typologymentioning

confidence: 99%

“…Therefore, only roof PVs are taken into consideration in this project. Produced energy is estimated through the solar potential these surfaces [3][4][5]. Due to local laws, excess in energy production cannot be injected in the General Electric Network [1].…”

Section: Evaluation Of the Energy Productionmentioning

confidence: 99%

“…It is very important to integrate a measure of the natural daylighting quantity received since it changes lives and raises productivity. sDA was chosen as an index since it represents the measure if a space receives proper lighting during operation hours [3][4][5]. Of course, in the case of social houses in Morocco operating hours would be between 8:00 and 18:00, Since the majority of families in Morocco living in these social houses have one stay at home parent.…”

Section: Spatial Daylight Autonomy-sda-mentioning

confidence: 99%

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Parametric Urban optimization by balancing energy performance and environmental quality applied to Residential Buildings in four different climates in Morocco

Nait-Taour,

Mghazli,

Idrissi Kaitouni

et al. 2023

E3S Web of Conf.

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As a developing country, Morocco has maintained the same definition for social housing in the past decades. A definition where housing affordability triumphs over efficiency in both the building and exploitation phases. This paper aims to put together a rational design approach to minimize energy demands in social housing residential complexes. Thus, the project aims to improve on the quality of the subsidized social houses in the country. The analysis focuses on 4 thermal zones of the national thermal map, by working on 4 cities which are Agadir, Driouch, Marrakech and Meknes. Our main objective is to explore the trade-offs of different urban distributions on the overall energy performance in a residential complex. Henceforth, this approach puts together a parametric design methodology which allows automating the process of thermal and lighting simulation, using Grasshopper. The approach resulted in a total number of 5 994 iterations for each of the chosen regions of analysis. The project therefore explored the impact of chosen discrete values of various factors (Building Typology, Orientation, distance between buildings, Window/Wall Ratio) on the overall energy consumption and the natural light performance, by evaluating annual energy consumption, Monthly Load Matching Index, LMI, and Spatial Daylight Autonomy, SDa.

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Section: Typologymentioning

confidence: 99%

Section: Evaluation Of the Energy Productionmentioning

confidence: 99%

Section: Spatial Daylight Autonomy-sda-mentioning

confidence: 99%

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Parametric Urban optimization by balancing energy performance and environmental quality applied to Residential Buildings in four different climates in Morocco

Nait-Taour,

Mghazli,

Idrissi Kaitouni

et al. 2023

E3S Web of Conf.

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“…Simultaneous, population growth and the exponential rate of urbanization further increases the demand for energy consumption, resulting in adverse environmental impacts (Yang et al, 2020). Dense urban patterns incorporating high-rise buildings as a means to cater to this population growth further increases the amount of energy consumed for heating and cooling purposes (Abdollahzadeh and Biloria, 2022). It is expected that the energy use and associated environmental pollutant emissions that impact public health are set to double or even tripled by the mid of the 21st century (International Energy Agency, 2013).…”

Section: Introductionmentioning

confidence: 99%

Multi-performative façade systems: The case of real-time adaptive BIPV shading systems to enhance energy generation potential and visual comfort

Biloria

Makki²,

Abdollahzadeh³

2023

Front. Built Environ.

Self Cite

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Building envelopes invariably tend to be static systems that encounter various performance limitations such as inefficient illuminance admittance, and heat and moisture transmission owing to their non-responsiveness towards environmental fluctuations. In contrast to such façade solutions, responsive façade systems with embedded sensing, actuation, and control systems have been proven to perform with up to 65% higher efficiency by being able to adapt their physical characters, such as orientation, and material property in real-time as a response to fluctuating environmental conditions (visual and thermal) and user preferences. Advancements in artificial intelligence and machine learning processes further aid such responsive façade systems to optimize multiple parameters such as illuminance level and the associated lighting energy, visual discomfort caused by solar glare, solar heat gain, thermal resistance (heating energy and comfort level), and natural ventilation simultaneously. This research investigates the case of a real-time adaptive Building Integrated Photo Voltaic (BIPV) shading system and its ability (in comparison with traditional static building integrated photo voltaic façade systems) to perform as regards visual comfort and energy generation potential simultaneously within the humid subtropical climate of Sydney, Australia. A simulated case scenario wherein a real-time adaptive building integrated photo voltaic shading systems is deployed on a typical multistorey building façade in Sydney, Australia is accordingly presented. The conducted simulation considers the responsive building integrated photo voltaic system as a double-skin façade system and uses multi-objective evolutionary computing principles to decipher its integrability potential. A comparative analysis between traditional static mounted Photo Voltaic (PV) systems as opposed to multi-objective optimization driven real-time adaptive building integrated photo voltaic shading configurations is subsequently presented. The ability to maximize generated energy, while simultaneously maintaining visual comfort is thus a unique proposition of this research.

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“…Energy conservation in urban planning is associated with a reduction in the operating costs of urban structures and makes an important contribution to reducing CO 2 emissions. These elements have implications for environmental sustainability and climate change mitigation [2][3][4].…”

Section: Introduction 1problem Highlightingmentioning

confidence: 99%

An Energy-Saving-Oriented Approach to Urban Design—Application in the Local Conditions of Poznań Metropolitan Area (Poland)

Bonenberg

Skórzewski

et al. 2023

Sustainability

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This article discusses the impact of urban layout on the energy performance of residential buildings. A comparative analysis of multiple variants of land development differing in building layout only, with all other features being the same, including the building envelope properties and technical equipment, was carried out. The research was conducted in two selected locations in Poznań metropolitan area (Poland), which is located in the Dfb climate zone (humid continental—warm summer subtype). For each location, the following variants of building layout were considered: parallel buildings (12 variants with an orientation towards the sides of the world rotated in steps of 15 degrees), perimeter frontage buildings, and comb-shaped buildings with semi-open courtyards (4 variants with courtyards open to each side of the world). The calculation of annual end uses for heating and cooling was conducted as well as the peak values. All calculations were performed using OpenStudio Application Release v. 1.2.1 software with the SketchUp plugin. The results showed that the proper arrangement of buildings on the urban plot may result in significant energy savings. The considered variants differed in terms of annual end uses for heating and cooling even by approx. 15%, and the peak values on the hottest days were 4–10 times lower in comparison with the least advantageous variants. The results show the slight advantage of compact development over free-standing development in terms of total end uses as well as the south and north orientation of facades over the east and west in terms of peak solar heat gain values.

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Urban microclimate and energy consumption: A multi-objective parametric urban design approach for dense subtropical cities

Cited by 26 publications

References 34 publications

Parametric Urban optimization by balancing energy performance and environmental quality applied to Residential Buildings in four different climates in Morocco

Parametric Urban optimization by balancing energy performance and environmental quality applied to Residential Buildings in four different climates in Morocco

Multi-performative façade systems: The case of real-time adaptive BIPV shading systems to enhance energy generation potential and visual comfort

An Energy-Saving-Oriented Approach to Urban Design—Application in the Local Conditions of Poznań Metropolitan Area (Poland)

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