The diagonial streaming of air
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- Diagonal Streaming of Air
Both the intake and outtake of air in the double-skin are in charge of the "fish-mouths" at the floor joints. The air which has previously gone through one floor must not enter another. This prevents fire from spreading to other levels, too. In addition, there was a need to actualize the systematic structure with a simple form. Such apparently contradictory conditions were straightened out by the "diagonal ventilation system" developed by Gartner AG.
This is a pair of sashes, where one carries a "fish-mouth" with small holes on its upper part exclusively for intake, and another has a "fish- mouth" with small holes on its lower part exclusively for outtake, as indicated in the plan. Due to such a composition, the outside air from the intake "fish-mouth" is warmed inside the double-skin and diagonally ascends to be exhausted from the outtake "fish-mouth" at the neighboring sash. If both the "fish-mouths" had been laid out vertically, a large part of the exhausted air would have been reabsorbed. This system is only possible if each room has at least a pair of the sashes, but there is no problem since there is no room larger than 1,970mm with only one sash.
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