SYMPOSIA PAPER Published: 01 January 1998

Experimental Measurement of a Shipboard Fire Environment with Simulated Radioactive Materials Packages


Results from a series of eight test fires ranging in size from 2.2 to 18.8 MW conducted aboard the Coast Guard fire test ship Mayo Lykes at Mobile, Alabama are presented and discussed. Tests aboard the break-bulk type cargo ship consisted of heptane spray fires simulating engine room and galley fires (across bulkhead assault), wood crib fires simulating cargo hold fires (direct assault), and pool fires staged for comparison to land-based regulatory fire results. Primary instrumentation for the tests consisted of two pipe calorimeters that simulated a typical package shape for radioactive materials packages. The calorimeters were both located adjacent to the fires and on the opposite side of the cargo hold bulkhead nearest the fire. The calorimeters were constructed from 1.5 m length sections of nominal 2 foot diameter schedule 60 steel pipe. Type K thermocouples were attached at 12 locations on the circumference and ends of the calorimeter. Fire heat fluxes to the calorimeter surfaces were estimated with the use of the Sandia SODDIT inverse heat conduction code. Experimental results from all types of tests are discussed, and some comparisons are made between the environments found on the ship and those found in land-based pool fire tests.

Author Information

Koski, JA
Sandia National Laboratories, Albuquerque, NM
Wix, SD
Sandia National Laboratories, Albuquerque, NM
Beene, DE
United States Coast Guard Research and Development Center, Groton, CT
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Developed by Committee: E05
Pages: 135–149
DOI: 10.1520/STP12190S
ISBN-EB: 978-0-8031-5386-8
ISBN-13: 978-0-8031-2481-3