Methodology for the Evaluation of Natural Ventilation in ... - Cham

6.3 Model Descriptions6.3.1 Physical ModelA scale model of the naturally ventilated prototype building was created at one-twelfth scale, andevaluated using air as the fluid. The central section of the building was modeled, encompassingtwo floors of open floor office plan and the central atrium. The model neglected the stairwells atthe east and west ends of the building and the service core. The building is three stories in heighton the north half of the building, and two on the south half of the building. The north half of theground level of the building was excluded because it consisted of meeting rooms that are closedoff from the rest of the building and can be mechanically ventilated when in use.Figure 27. Section of the Prototype Building with Outline of Area ModeledFigure 28. Reduced-Scale Model and Test Chamber Section View and DimensionsThe model is located in an insulated test chamber that is 5.16 meters in length, 3.65 meters inwidth, and 2.43 meters in height. The dimensions of the test chamber along with the overallmodel dimensions are presented in Figure 28 and Figure 29. All of the surrounding walls have94