Post-Flashover fIres in Shipboard Compartments Aboard ex-USS SHADWELL. Phase 4. Impact of Navy Fire Insulation

As part of the Internal Ship Conflagration Control Project, a post- flashover fire was created in the port wing wall of the fire test ship, ex-USS SHADWELL. Prior tests indicated that standard Navy mineral wool degraded when exposed to postflashover compartment temperatures. In this test series, the...

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Bibliographic Details
Main Authors: Scheffey, J L, Toomey, T A, Hunt, S P, Durkin, A F, Darwin, R L
Format: Report
Language:English
Subjects:
Air Condition, Heating, Lighting & Ventilating
COATINGS
COMPARTMENTS
CONTROL
CRITICAL TEMPERATURE
EX-USS SHADWELL
FIRE INSULATION
FIRE MODELING
FIRE PROTECTION
FIRE TEST
HEAT
HEAT TRANSFER
INSULATION
INTERNA(SHIP CONFLAGRATION CONTROL PROJECT)
INTERNAL
LAYERS
Marine Engineering
MARINE FIRE PROTECTION
MATERIALS
MINERAL WOOL
MINERALS
NAVY
NAVY MINERAL WOOL
PASSIVE DEFENSE
PASSIVE PROTECTION
PE63514N
POST FLASHOVER FIRE
PROTECTION
PROTECTIVE COATINGS
REPLACEMENT
Safety Engineering
SHIPS
STEEL
TEMPERATURE
TEST AND EVALUATION
TIME
TRANSFER
WALLS
WINGS
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Summary:As part of the Internal Ship Conflagration Control Project, a post- flashover fire was created in the port wing wall of the fire test ship, ex-USS SHADWELL. Prior tests indicated that standard Navy mineral wool degraded when exposed to postflashover compartment temperatures. In this test series, the performance of standard Navy insulation with protective coatings and alternative materials were evaluated. The results of earlier testing were confirmed. The mineral wool degrades when subjected to temperatures on the order of 1000 deg C. When attached to the overhead, the material lacks mechanical strength in a fire. The data suggest, however, that critical temperatures (232 deg C) on the unexposed side of the steel may be reached in about the same time even if 2.5-cm (1-in.) thick mineral wool stays in place. Protective coatings testing was ineffective in delaying heat transfer. A candidate replacement material, Manville Structo-gard, showed improved heat transfer characteristics when tested using two 1.6-cm (5/8-in.) thick layers compared to the standard Navy mineral wool... Fire test, Fire modeling, Passive protection, Post-flashover fire, Fire insulation, Marine fire protection