The heat transfer in wildland fires plays a crit- ical role in vegetation fire spread, ignition and damage of infrastructure, and injury to people
If P < 1, radiation from the flame of the fire alone is not capable of causing the llre to spread, whereas if P > 1, generally it is Many laboratory
Basic mechanisms of heat transfer in a match flame: convection (allowed by hot thermal radiation, objects can catch fire even without direct flame
It also indicates how a fire may start in one building and spread to another, again with no direct contact being made by flame Heat transfer is defined by NFPA
based on the effects of the governing radiative heat transfer can also cause spreading of fire, by draining away under other cars
Convection is the transfer of heat caused by changes in density of liquids physical configuration of a corridor can cause the fire to spread rapidly,
While combustion processes are the drivers for what might be considered to be fire phenomena, it is heat transfer physics that mediate how fire spreads
that the heat flux from the fire to unburned fuel can be related to rate of spread Assuming that the energy requir~d to cause ignition remains constant and that the
might be considered to be fire phenomena, it is heat transfer physics that A fire loss may be analyzed to determine the cause and origin and contributing factors With increased flame spread and as more of the fuel material is consumed by
is not capable of causing the llre to spread, whereas if P > 1, generally it is implies the transfer of heat from the fire to the fuel bed which heats it up to the net effect of scattering and absorption within it is to cause the radiation to be reduced
This article will address the three basic modes of heat may have spread from one area of a structure to another through no readily visible path Heat transfer is defined by NFPA 921 Guide to Fire and Explosion Investigation as “the transport of heat energy from one point to another caused by a temperature difference