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Research of the Shade Structures’ Impact on Indoor Natural Ventilation

Author: LiYueQun
Tutor: MengQingLin
School: South China University of Technology
Course: Building Science,
Keywords: Outside the window shade Indoor natural ventilation Ventilation experiments CFD data simulation
CLC: TU834.1
Type: Master's thesis
Year: 2010
Downloads: 211
Quote: 2
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Abstract


Building shading and natural ventilation are two traditional hot regions , effective energy-saving technology, the means and methods of building energy efficiency , improve indoor thermal environment . But on the other hand, the existence of the building exterior shading may cause window into or out of the airflow is blocked or induced , caused by indoor natural ventilation favorable or unfavorable changes . Building shading and natural ventilation can make better use of these two energy-saving technologies , to fill the vacancy of the correlation between the two , the field research of this paper, the Guangzhou region residential building , select the the research building model and to determine the simulated conditions , and then using the experimental test discussion of the shade member and data simulation and other research methods , a concrete manifestation of the impact of the indoor natural ventilation , and through the comparison and analysis of the experimental and simulation results , the summary of the shade member influence of the natural ventilation of the building interior . The research work can be divided into three parts, the first part describes the five major categories of shade , and pointed out the window shade shade performance and the importance of the impact of the indoor ventilation effect , then by Guangzhou - residential building field research to understand the residential building window outside the shade of the application status of its common form , select a representative building as a model to determine the simulated conditions . The second part by the the building shade of indoor natural ventilation experiments to test two rooms indoor wind field under different shade conditions change position and contrast the two rooms indoor workspace wind speed and wind of the window , through the analysis of changes in wind speed , Summing up the changes in the law by the indoor ventilation under the shade member role . The PHOENICS software for the third part of the building interior wind field simulation, and simulation of the level of shade and sun and shade state analog comparative study toward the building model in a different shade state indoor ventilation and trends , revealing a concrete manifestation of the shade member of indoor ventilation , combined with simulation demonstration to discuss the effect of the wind speed, the height of the building , room location and other factors , and finally again through the simulation, a simple analysis of the selected building models in reality building components shade under the conditions of indoor ventilation .

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CLC: > Industrial Technology > Building Science > Housing construction equipment > Air-conditioning, heating, ventilation,and its equipment > Ventilation, dust,air purification,dehumidification > Natural ventilation
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