A numerical calculation procedure for an air flow window (AFW) system integrated with a roll screen is presented. Both beat and air flows within the window elements such as the outside pane of glass the outside air space, a venetian blind, the inside air space and a roll screen, are taken into account by considering the thermal and air flow networks. Agreements between measured and calculated results of temperatures and pressure differences through a series of experiments carried out in an environmental test chamber were observed.
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