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    		Essay:

    Active envelopes

    Active envelopes (also known as double-skin facades, twin facades, or second-skin facades) consist of two panes with a cavity in between through which air flows. In the cavity, a shading device is usually provided. Generally, distinction is made between naturally and mechanically ventilated active envelopes. Regarding the path the air follows, several ventilation strategies are possible.


    CRDBER, at CBS, BCEE, ENCS, Concordia,