The energy saving of the glass curtain wall, on the one hand, is to reduce its use area, especially the use area of the east and west walls, which is mainly determined in the architectural design. In the architectural design, the walls that need lighting, ventilation and glass curtain wall are arranged in the south and north, so as to minimize the area facing east or west; The other is shading.
Because a lot of air conditioning load is from the sun radiation, and glass is the main source of solar radiation heat, so shading on the glass curtain wall energy saving is very effective, can make the room in a cool place for a long time, so as to achieve maximum cooling. In the design of shading structure, the overall artistic effect, material and color of curtain wall building should be considered, and the form should be simple, beautiful, easy to clean and install. Different forms of sunshade can sometimes affect the shape of a building's facade, but if handled well, it can make the building more harmonious. For example, the comprehensive sunshade combined vertically and horizontally not only improves the shading effect, but also can be used as the transition part of the facade from real to virtual (real wall to glass). This strong contrast between real and real makes the building full of personality, and the structural beauty fully displayed makes the building life-like.
The most effective shading is external shading. When external shading measures are not feasible, internal shading and glass internal shading are effective energy-saving measures. In addition, good natural ventilation can not only keep indoor air fresh, but also minimize the use of air conditioning time, so as to achieve the effect of energy saving. Attention should be paid to prevent condensation and frost hanging. If the curtain wall frame is separated by thermal insulation rubber sealing strips inside and outside to form a "thermal broken bridge", the curtain wall will not produce condensation phenomenon, and the vision is clear.
When designing the glass curtain wall building, we should plan, design and construct scientifically and rationally to avoid the disadvantages brought by the point support curtain wall. The glass curtain wall can reflect the heat of the sun to the surrounding buildings, sidewalks or squares, so that people have a burning feeling, and even damage the building materials on other buildings (such as sealant, asphalt materials, etc.). Accordingly, do not arrange vitreous curtain wall building too centralize, do not set vitreous curtain wall facing residential building, limit to use all vitreous curtain wall on parallel and relative building.
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Post time: Feb-02-2023
