The Design of a Fire Source in Scale-Model Experiments with Smoke Ventilation

The paper describes the design of a fire and a smoke source for scale-model experiments with smoke ventilation. It is only possible to work with scale-model experiments when the Reynolds number is reduced compared to full scale, and it is demonstrated that special attention to the fire source (heat and smoke source) may improve the possibility of obtaining Reynolds number independent solutions with a fully developed flow. The paper shows scale-model experiments for the Ofenegg tunnel case. Design of a fire source for experiments with smoke ventilation in a large room and smoke movement in a double faade is also addressed.