Colour and lustre and glass heat transfer difference ''

The glass bottles on the market according to the colour and lustre is divided mainly includes the colorless, pale blue, green and brown four categories. About the glass color, people more attention to its product attribute and the phenomenon of chemical reaction in the process of production; And for the production process and eco-friendly tube color related physical phenomena, such as glass, colour and lustre and the relationship between the heat transfer and heat transfer process of differences on issues such as the influence of production technology, the lack of necessary research. Here, we according to the production practice experience and some test data, make a shallow discussion on these problems, which is of reference to colleagues.

glass colour and lustre and & other; Heat transfer difference & throughout;

glass in different color has different for near ultraviolet, visible and near infrared absorption ability.
brown glass for near 400 nm wavelength of visible light with a strong absorptive capacity, maximum appears at 400 nm. Green glass for near 440 nm and 630 nm wavelength of visible light has the strong ability of selective absorption, appears at 440 nm and 630 nm maximum. Pale blue glass for visible light absorption ability is weak, appear the minimum value at 500 nm. For areas near ultraviolet light absorption ability, brown glass is very strong, moderate, green glass nattierblue glass is weak. For the near infrared area light absorption ability, there are some differences between 3 kinds of color eco-friendly tube, but this difference has been diminishing. When the concentration of color quality and same color is not at the same time, the light absorption ability and color change of concentration was positively proportional relationship.

in the process of eco-friendly tube production, ray radiation and heat transfer is inseparable two physical phenomena. For glass of different colour and lustre, absorb radiation ability stronger light, that is, the ability to absorb heat radiation stronger, the more glass surface absorption of heat, through the vitreous body in the form of radiation heat transfer is less. This caused by a different color glass heat absorption capacity difference and the difference of heat transfer capability, let's call it & other; Heat transfer difference & throughout; 。 In the process of glass production, when the concentration of color change or glass color changes, melting, forming, annealing process conditions such as changing dramatically. Only by understanding the different color glass & other; Heat transfer difference & throughout; And because & other; Heat transfer difference & throughout; The process change to take corresponding countermeasures, can we make to effectively control the production process.
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