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1. The planar size of the glass increases the planar size of the insulating glass, which can reduce the heat loss per unit area of ​​the insulating glass and improve the overall heat insulating effect of the insulating glass. As mentioned earlier, there are three ways of transferring energy, convective heat transfer, radiative heat transfer and conduction heat transfer.
2. Glass Heat Transmittance In the above analysis, we can see that convection and conduction heat transfer through the insulating glass can be basically controlled if reasonable space layer design and construction are used. The heat transfer of the insulating glass is mainly carried out by means of radiation heat transfer. If ordinary transparent glass with high transmittance and low reflection (radiation) rate is used, the insulating performance of the insulating glass is higher than that of the high-reflection (radiation) low-transmission coating. Glass or Low-E glass is much lower.
3. On the one hand, if the edge of the insulating glass is not well sealed, the proportion of water vapor entering the hollow glass through the sealant layer will increase, and the speed of failure of the insulating glass will also increase. Any product, no matter how good its initial performance, however, its life is very short, such a product can not be said to be a good product; on the other hand, if the edge material of the insulating glass has good thermal conductivity, then pass The heat transfer of the sealant connected to the glass at the edge of the insulating glass is relatively large, and the heat insulating coefficient of the insulating glass is improved, and the heat insulating performance is lowered.
4. The gas type and humidity between the air layers are filled with inert gas inside the insulating glass, which can reduce the heat insulation and sound insulation properties of the insulating glass. For example, charging argon gas and sulfur fluoride can improve the heat insulation and sound insulation properties of the insulating glass. The content of water vapor inside the hollow glass increases, which will cause internal condensation or even water, which will affect the aesthetic effect of the insulating glass, and will increase the conduction heat transfer coefficient of the insulating glass and reduce the heat insulation effect.
5. The thickness of the gas spacer layer is mainly controlled by the thickness, so that the heat transfer of the turbulent airflow inside the hollow glass is controlled as much as possible to control the hot and cold airflow of the gas to interfere with each other or to cause the rising and falling airflows to interfere with each other to control the convective heat transfer. .