5. Conclusions
Firstly, five kinds of window-opening behaviors were compared by using Airpak under unsteady wind boundary.
In the process of analysis, both air distribution and ventilation rate were compared. It was concluded that under the
different working conditions, the working condition4 had the best priority, the second was working condition2, the
third was working condition3, and the worst was working condition5.
Then, through the analysis of energy consumption and the effect of natural ventilation in buildings and
optimization analysis of building orientation, the contradiction about building orientation and natural ventilation was
proposed.
Finally, through the summary and analysis of the typical meteorological parameters of wind direction in
Changsha, it was concluded that the best building orientation was the west when we analyze building orientation
only from the perspectives of natural ventilation. However, when Design Builder was used to analyze building
energy consumption in different building orientation, the best building orientation was the south. By complex
analysis, under the influence of building energy consumption and natural ventilation, the best building orientation is
the south or the north. Air Inlet should be located in the north wall.
5. ConclusionsFirstly, five kinds of window-opening behaviors were compared by using Airpak under unsteady wind boundary.In the process of analysis, both air distribution and ventilation rate were compared. It was concluded that under thedifferent working conditions, the working condition4 had the best priority, the second was working condition2, thethird was working condition3, and the worst was working condition5.Then, through the analysis of energy consumption and the effect of natural ventilation in buildings andoptimization analysis of building orientation, the contradiction about building orientation and natural ventilation wasproposed.Finally, through the summary and analysis of the typical meteorological parameters of wind direction inChangsha, it was concluded that the best building orientation was the west when we analyze building orientationonly from the perspectives of natural ventilation. However, when Design Builder was used to analyze buildingenergy consumption in different building orientation, the best building orientation was the south. By complexanalysis, under the influence of building energy consumption and natural ventilation, the best building orientation isthe south or the north. Air Inlet should be located in the north wall.
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