- Author
- Kerber, S. I.
- Title
- Evaluation of the Ability of Fire Dynamic Simulator to Simulate Positive Pressure Ventilation in the Laboratory and Practical Scenarios.
- Coporate
- National Institute of Standards and Technology, Gaithersburg, MD
- Sponsor
- Department of Homeland Security, Washington, DC
- Report
- NISTIR 7315, April 2006, 149 p.
- Keywords
- ventilation | scenarios | evaluation | simulations | mapping | experiments | uncertainty | flow visualization | geometry | vents | room fires | fuel load | heat release rate | gas temperature | differential pressure | gas velocity | ignition source | fire growth | smoke spread | oxygen | velocity
- Identifiers
- Positive Pressure Ventilation (PVV); Fire Dynamics Simulator (FDS); mapping the PPV velocity flow field; simple room experiment; room fire experiments; colonial house practical scenario; Smokeview
- Abstract
- Positive Pressure Ventilation (PPV) is a tactic that is used on fire grounds worldwide everyday, both to improve tenability after the extinguishment of a fire and/or to improve firefighting conditions during fire attack. PPV has proven that it can be a useful tool on the fire ground, but if used improperly it can also kill or injure fire fighters and civilians. Data from three full-scale experiments are compared with simulations completed with the computational fluid dynamic model Fire dynamics simulator (FDS). The full-scale experiments characterize a PPV fan in an open atmosphere, in a simple room geometry and in a room fire. All experiments qualify and quantify the comparison of the experimental results with the FDS results. A concluding scenario is modeled utilizing the calibration of the full-scale experiments to examine the effects of PPV on a fire in a two-story, colonial style house.