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Best Air

Convective heat transfer associated with the transfer of heat with the air (warm up – warm down). In this case, along the inner (warm) glass air rises, and its place is cold, descend the path along the outer (cold) glass. Thus is formed between the panes of air circulation, which successfully carries heat out and cold inside. It is this kind of heat transfer yields the greatest heat loss. In order to cycle there was no distance between the glasses do little. It remains to radiation and thermal conductivity of air, as he is known to be an excellent thermal insulator.

Thus the distance between the glass has a certain optimum (10-16 mm), and its further increase does not improve the thermal characteristics of glass. So do not usually make double-glazed windows with 4mm glass with a total thickness greater than 44 mm for two-chamber and more than 24 mm for the single-chamber. In our experience, the best to Kiev on price-quality relationship is a double-glass (3 glasses). To obtain even higher heat-common properties glass is replaced by the K-glass (hard cover), which can reflect part of the thermal radiation back into the house, or I-glass (soft cover) 6. The best windows – to the completion of argonom.Zdes there are two significant points.

Firstly, in terms of classical physics, the thermal conductivity of ideal gas depends only on their pressure, and more on anything. Ie, that the air that argon – all the same. The difference between the characteristics of real gases and ideal gas is known to few protsenty.Naprimer for the same glass 4-16-4, one of which is filled with argon, and the second air, the difference between the reduced heat transfer resistance is 6%. Because of them, in our opinion, not worth fuss with expensive equipment, tanks, by itself is not cheap enough argon, etc.

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September 5, 2017 at 1:18 pm Comments (0)

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