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Displaying 1 - 7 of 7
Recent attempts to model the flow in very hot fire plumes where radiative transport of heat may significantly modify both the dynamics of the flow and the processes of combustion have met with only partial success. This paper gives an account of a model for the flow in a…
Person:
Year: 1963
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: combustion, heat, ignition, radiation, wood
This paper describes the results of examining the influence of radiative heat transfer on turbulent natural convection above fires in an atmosphere of constant potential temperature, under both the 'opaque' and 'transparent' approximations. It turns out that on the basis of the…
Person:
Year: 1962
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: convection, cover, energy, fire size, heat, physics, smoke behavior, smoke management, temperature
[Excerpted from text] Most experienced firefighters have encountered fire whirlwinds. These whirls, or "fire devils" as they are sometimes called, range in size from small twisters a foot or two in diameter up to violent whirls equal to small tornadoes in size and intensity.…
Person:
Year: 1962
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: fire whirl, laboratory experiments, whirlwind, vertical velocity, horizontal velocity, fire management, gases, laboratory fires, wind
On the afternoon of February 7, 1962, Forest Ranger George Nunnelee and I were making routine equipment inspections in Covington County, AL. At approximately 2:30 p.m., while on higher elevations in the north end of the county, I commented to Mr. Nunnelee that a tall smoke in…
Person:
Year: 1963
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire History, Hazard and Risk, Intelligence, Mapping, Weather
Region(s): Southern
Keywords: Alabama, ash, blowup, fire case histories, fire control, fire danger rating, fire management, fire weather, fire whirls, smoke behavior, wildfires, wind
Late in 1961 the Northern Forest Fire Laboratory initiated a fire detection research program. The primary objective of this program is the development of a system capable of detecting both man-caused and lightning-caused fires day or night through all normally encountered…
Person:
Year: 1962
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Effects, Intelligence, Mapping, Monitoring and Inventory
Region(s): Northern Rockies
Keywords: conservation, fire control, lightning caused fires, Montana, photography, Picea engelmannii, Pinus ponderosa, Pseudotsuga menziesii, rate of spread, remote sensing, smoke management, spot fires
The natural resources of Interior Alaska deserve a higher level of protection than is now feasible. This publication is written for both the person requiring specific data to do a better research or protection job and the person who wishes to become more thoroughly acquainted…
Person:
Year: 1963
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Weather
Region(s): Alaska
Keywords: resource management, fire control, fire protection, fire season, Interior Alaska, Alnus, Betula papyrifera, climatology, crown fires, fire case histories, fire danger rating, fire frequency, fire intensity, fire management, fire size, fire suppression, fish, fuel management, fuel moisture, fuel types, geography, hunting, lightning caused fires, litter, logging, mining, nesting, Picea glauca, Picea mariana, Populus balsamifera, Populus tremuloides, precipitation, recreation, recreation related fires, Salix, size classes, sloping terrain, soil moisture, statistical analysis, temperature, tundra, watersheds, wildfires, wind
[no description entered]
Person:
Year: 1963
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): International
Keywords: age classes, Calluna vulgaris, chemistry, Europe, fire intensity, Great Britain, heat effects, heathlands, N - nitrogen, nutrient cycling, range management, seedlings, temperature