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Smoke hazards resulting from the burning of shipboard paints. Part 3. Interim report, 1 September 1981-31 August 1983

Technical Report ·
OSTI ID:5655421
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Investigations continued to evaluate the hazards caused by smoke formation in shipboard fires. The physical properties of the smoke particulates generated during combustion were determined for two types of paints used by the U.S. Navy in ships and submarines. These were a chlorinated alkyd paint and and intumescent paint. The physical properties measured were particle size distribution, mean particle diameter, mass fraction of fuel converted to particulates, optical density, particle refractive index, and particulate volume fraction. The dependence of these properties on the temperature of the test-chamber atmosphere (room temperature to a maximum of 300/sup 0/C) and the mode of combustion (flamming or smoldering) was determined for both materials. The results of this study indicated that both paints produce smoke with a log-normal particle size distribution during smoldering combustion in the room temperature tests. Optical measurements made during these tests show that both paints produce smoke particulates with mean diameters that vary with time between 0.6 and 1.2 microm. Under these conditions the chlorinated alkyd paint produces pale yellow spherical liquid droplets, while the intumescent paint produces a mixture of light tan and white solid particles.

Research Organization:
Georgia Inst. of Tech., Atlanta (USA)
OSTI ID:
5655421
Report Number(s):
AD-A-185545/1/XAB
Country of Publication:
United States
Language:
English

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Related Subjects

500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AEROSOLS
AIR POLLUTION
CHEMICAL REACTIONS
CHLORINATION
COATINGS
COLLOIDS
COMBUSTION
DENSITY
DISPERSIONS
DISTRIBUTION
FIRES
FUELS
HALOGENATION
HAZARDS
HEALTH HAZARDS
OPTICAL PROPERTIES
OXIDATION
PAINTS
PARTICLE SIZE
PARTICLES
PARTICULATES
PHYSICAL PROPERTIES
POLLUTION
RESIDUES
SHIPS
SIZE
SMOKES
SOLS
SUBMARINES
THERMOCHEMICAL PROCESSES