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This paper is devoted to study wind environment in a dense urban areas from the ventilation perspective. In order to take the stochastic characteristics of city wind into consideration, the exceedance probability analysis method was applied using air change rate as the index. The air change rate in the target domain was first obtained using CFD simulation for 16 wind directions and each building pattern...
With the increasing destruction of the ecological environment, the strategic position and role of ecological green space is ever more conspicuous in the sustainable development. In this paper, a three-dimensional computational fluid dynamics (CFD) simulation was carried out to analyze the oxygen dispersion in horizontal and vertical space under urban wind speed field conditions in city central of...
The application of CFD is more and more extensive in the research field of district environment. The way of intuitional expression is also tend to more and more recognized by citizens and city decision makers. CFD simulation and its superiority for district planning and design, its application for residential district atmospheric thermal environmental evaluation and improvement in district planning...
The application of CFD is more and more extensive in the research field of urban science. The way of intuitional expression is also tend to more and more recognized by citizens and city decision makers. CFD simulation and its superiority for urban planning and design, its application for district air environmental evaluation and improvement in urban planning and design is introduced and discussed...
The application of CFD is more and more extensive in the research field of urban science. The way of intuitional expression is also tend to more and more recognized by citizens and city decision makers. CFD simulation and its superiority for urban environment planning, the establishment of the model and its application for air environmental evaluation and improvement in urban environmental management...
For investigating the impact of large citiespsila expansion on air pollution, some numerical experiments are employed by adopting the typical meteorological condition in this paper. The simulation results show that the urban development has great effect on the transportation and diffusion of pollution. The existent of Beijing downtown area leads to the decrease of the total allowable emission about...
Developing sustainable urban environments is complex as it requires consideration of interacting social, economic and environmental sustain ability factors. The task is made even more difficult by the wide variety of stakeholders (e.g. planners, architects, businesses and the public) that may be involved in the process and the lack of a common language for all to understand. This paper describes a...
Building on the extensive research in Virtual Reality (VR), we are proposing a new dynamic prototype for modelling and simulating carbon emissions in a virtual village called VIRVIL. VIRVIL is a simulated settlement for the assessment of the impact of low and zero carbon technologies and measures in the built environment. The prototype will focus on the impact on the community as a whole, as well...
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