Computer Analysis of a Pressurized Stairwell

摘要

In recent years pressurized stairwells have been incorporated in buildings in an effort to provide smoke free exits during building fires. This paper compares the results of tests conducted in a pressurized stairwell at Champs Sur Marne, France, with computer analysis using a computer code developed at the National Bureau of Standards (NBS). A second paper is planned which will compare the NBS program with the Centre Scientifique et Technique du Batiment (CSTB) program for the same series of tests. Agreement between the NBS computer simulation and the test data was good for all tests analyzed. The appropriateness of using exclusively a flow exponent of 1/2 for smoke control design is reevaluated, and is found to have only a slight effect on the results of a computer simulation.