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| Fire Modeling Programs |
DETACT-QS |
| DETACT-QS (DETector ACTuation - Quasi Steady) is a
program for calculating the actuation time of thermal
devices below unconfined ceilings. It can be used to
predict the actuation time of fixed temperature heat
detectors and sprinkler heads subject to a user specified
fire. DETACT-QS assumes that the thermal device is located
in a relatively large area, that is only the fire ceiling
flow heats the device and there is no heating from the
accumulated hot gases in the room. The required program
inputs are the height of the ceiling above the fuel,
the distance of the thermal device from the axis of
the fire, the actuation temperature of the thermal device,
the response time index (RTI) for the device, and the
rate of heat release of the fire. The program outputs
are the ceiling gas temperature and the device temperature
both as a function of time and the time required for
device actuation. DETACT-QS was written in BASIC by
D.D. Evans.
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