Design optimization and field demonstration of natural ventilation for high-rise residential buildings

2014 ◽  
Vol 82 ◽  
pp. 457-465 ◽  
Author(s):  
Chaobin Zhou ◽  
Zhiqiang Wang ◽  
Qingyan Chen ◽  
Yi Jiang ◽  
Jingjing Pei
Keyword(s):  
Design Optimization ◽  
Natural Ventilation ◽  
Residential Buildings ◽  
High Rise

scholarly journals Site-specific Modular Design Optimization for High-rise Residential Buildings

2019 ◽  
pp. 544-551
Author(s):  
Vincent J.L. Gan ◽  
K.T. Tse ◽  
Jack C.P. Cheng ◽  
Irene M.C. Lo ◽  
C.M. Chan
Keyword(s):  
Optimal Design ◽  
Design Optimization ◽  
Natural Ventilation ◽  
Modular Design ◽  
Residential Buildings ◽  
Building Design ◽  
Energy Performance ◽  
Design Solution ◽  
High Rise ◽  
Design Requirements

Modular design refers to a design approach whereby customized modules or components are assembled to form the layout plan of a building. Previous researches have attempted to optimize the layout plan design of low-rise houses for maximizing the natural daylighting, ventilation performance, and energy efficiency. Engineers have also studied the modular design of high-rise residential buildings to meet site constraints and to optimize site development potentials. However, the previous studies on modular building design were based on empirical trial-and-error approaches, efficient methods for identifying the optimal combination of different modules and components were still lacking in literature. Therefore, this study attempts to develop an innovative approach for optimizing the modular design of high-rise residential buildings, with the aim of maximizing the building energy performance while fulfilling the site constraints and design code requirements. The design optimization problem, including the design variables and objective functions, is properly formulated to guarantee the quality of final optimized deign. Provided a set of well-defined modules and components, evolutionary genetic algorithm (GA) is then utilized for the wide-ranging exploration of the building layout plans, taking into consideration the site conditions and building design requirements. A computer program is developed, coupling the GA optimization and energy modeling, to systematically evaluate the candidate layout plans. The energy simulation results are subsequently used to guide the GA towards finding the optimal design solution. The proposed optimization method is utilized to generate the optimal layout design for a 40-story high-rise residential building, using a set of pre-defined modular flat units. The optimal design maximizes the use of natural ventilation and daylighting to save 30-40% of the energy consumption without compromising the site constraints and design requirements. The findings of this study serve as the decision support basis to enhance modular design of high-rise residential buildings (such as energy conservation in this study), thereby improving the sustainability and cost-effectiveness of the built environment.

scholarly journals Thermal Performance of a High-Rise Residential Building with Internal Courtyard in Tropical Climate

2018 ◽  
Vol 3 (7) ◽  
pp. 357
Author(s):  
Lobna Hassan Ali Hassan Elgheriani ◽  
Parid Wardi ◽  
AbdulBasit Ali Ali Ahmed
Keyword(s):  
Thermal Performance ◽  
Indoor Environment ◽  
Natural Ventilation ◽  
Residential Buildings ◽  
Residential Building ◽  
Building Design ◽  
Energy Performance ◽  
Significant Feature ◽  
High Rise ◽  
Passive Design

Natural ventilation is an effectual passive design approach to create a better indoor thermal condition as well as energy efficiency. The primary goal of building design is providing a healthy and comfortable indoor environment titled as sustainable architecture. Literature suggests that the significant feature that alteration has to take place on for better energy performance is the envelope design. This paper aims to augment the Window to Wall Ratio (WWR), orientation and courtyard corridor size for improving the design of naturally ventilated courtyard high-rise residential buildings. Briefly, the findings indicate that contending with WWR, orientation and courtyard corridor size could increase the potential of improving its natural ventilation and thus, thermal performance.

The impacts of introducing voids combinations on indoor ventilation performance in high-rise residential buildings

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Hamza Laloui ◽  
Noor Hanita Abdul Majid ◽  
Aliyah Nur Zafirah Sanusi
Keyword(s):  
Architectural Design ◽  
Natural Ventilation ◽  
Residential Buildings ◽  
Design Feature ◽  
Field Measurements ◽  
Ventilation Rate ◽  
Content Type ◽  
High Rise ◽  
Building Models ◽  
Ventilation Performance

PurposeThe paper aims to investigate and evaluate the impacts of the voids combination as a passive design feature on wind-driven ventilation performance in high-rise residential building units. It proposes a series of building models and thereon indoor ventilation performance and outlining why and how these building models designed with architectural design features are important. This study aims to provide a comprehensive understanding of how natural ventilation as a passive cooling strategy in living units of high-rise residential buildings can be applied through improving the provision of the architectural design feature of voids configurations.Design/methodology/approachThe study was carried out through field measurements experiment and the computational fluid dynamics methods. A series of numerical simulations were carried out to calculate the indoor ventilation rate inside the case studies of the generated building models based on various variables such as horizontal voids type, size and wind directions.FindingsThe results indicate that the provision of a single-sided horizontal voids in building models can improve the indoor ventilation rate in units with cross ventilation mode up to 4 times, depending on wind direction and living unit location. The indoor ventilation performance in units located in models with single-sided horizontal voids is 17.54% higher than the units located in models without voids configuration. Furthermore, higher indoor ventilation performance was achieved in the case scenarios located at higher levels compared to the middle and lower levels in both horizontal voids types.Originality/valueThis study explores the application of voids combinations for natural ventilation performance, investigates the numerical simulation results and validates field measurements experiment data using CFD simulation.

scholarly journals THE EFFECTS OF BALCONIES ON THE NATURAL VENTILATION PERFORMANCE OF CROSS-VENTILATED HIGH-RISE BUILDINGS

2014 ◽  
Vol 9 (2) ◽  
pp. 145-160 ◽  
Author(s):  
Mohd Farid Mohamed ◽  
Steve King ◽  
Masud Behnia ◽  
Deo Prasad
Keyword(s):  
Indoor Air ◽  
Natural Ventilation ◽  
Negative Impact ◽  
Residential Buildings ◽  
High Rise ◽  
Cfd Models ◽  
Computational Fluid Dynamics Cfd ◽  
Air Speed ◽  
Ventilation Performance

Natural ventilation performance can be influenced by various factors, including facade treatments such as balconies. Balconies have been commonly incorporated into residential buildings for various purposes, yet the provision of a balcony as a passive design strategy to improve natural ventilation is not one of its common purposes. The objective of this study is to investigate the effect of balcony design on the natural ventilation performance of cross-ventilated high-rise apartments. This study uses Computational Fluid Dynamics (CFD) models to predict ventilation performance. CFD models are selected because of their accuracy, flexibility and ability to provide comprehensive data for the investigation. This study suggests that balconies in high-rise apartments could improve the ventilation performance of high-rise apartments, but that balconies can also have a negative impact on ventilation performance if not appropriately designed. Finally, this study suggests that balconies could improve the level of thermal comfort and indoor air quality of apartments by providing greater indoor air speed and better ventilation performance, respectively.

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