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BRANZFIRE FEATURES
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| BRANZFIRE 2004 |
| Number of Rooms |
Ten |
| Wall Vents |
- Unlimited number
- Uses CCFM algorithm
|
| Ceiling Vents |
- Unlimited number
- Uses VENTCF2A algorithm
|
| Automatic opening of vents by detectors |
Yes |
| Mechanical Ventilation |
- Extract or supply
- Includes plug holing effects
- Multiple fans per room
|
| Model non-fire rooms as single zone |
Optional |
| Sprinkler response |
- 1 sprinkler per room
- NIST JET algorithm option which accounts for the presence of a hot layer
- Alpert ceiling jet option
- Suppression option (effect on HRR only)
|
| Smoke Detectors |
- 1 per room
- Treat as thermal detector or specify optical density for activation
- Uses smoke concentration in the ceiling jet
|
| Operating System & user interface |
Microsoft Windows |
| Heat Transfer |
- 4 wall radiation exchange
- Emission-absorption by gas layers
|
| Flame spread on surface lining materials |
- Walls, ceilings
- ISO 9705 fire test simulation
- requires cone calorimeter data as material input
|
| Automatic glass fracture in vents |
Yes |
| CO Generation algorithm |
Yes |
| Oxygen-constrained burning |
Yes |
| Fire object database |
Yes, plus option to connect to online database at University of Canterbury |
| Materials database |
Yes |
| Export results to Excel |
Excel 97, 2000 includes automatic charting of key variables |
| Post-flashover fire |
- Pyrolysis model based on wood crib characteristics
- Calculates equivalent time of radiation exposure in a standard furnace test
|
| Output Variables |
- Upper and lower layer temperatures
- Layer height
- Vent fires
- Pressure
- Heat release rate
- Species Concentrations CO2, CO, H2O, O2
- Species Concentrations unburned fuel
- Optical Density
- Visibility
- Radiation flux to target
- Surface temperatures
- Pyrolysis fronts for flame spread routines
- Flame spread velocity
- Fractional Effective Dose (narcotic gases)
- Fractional Effective Dose (thermal)
- Plume Flow
- Mass Loss Rate
- Detailed vent flow by slab for individual vents
- Smoke Production Rate
|
Updated 22 March 2005
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