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Minuteman 3 [electronic resource] : Stage 3 propellant fire characterization

Published
Washington, D.C. : United States. Dept. of Energy, 1994.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
122 pages : digital, PDF file
Additional Creators
Lawrence Livermore National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
We have completed an experimental program to diagnose and characterize the thermal environment of a solid rocket propellant fire burning in ambient atmospheric conditions. This work has been conducted as part of the Defense Nuclear Agency`s probabilistic risk assessment (PRA) of the Minuteman III (MMIII) weapon system. The goals of this study are two-fold; (1) to provide a description of a propellant fire in sufficient detail so as to allow system response models to predict the outcome of various hypothetical accident, scenarios and, (2) to identify diagnostics that could be used in a large-scale test fire of MMIII stage 3 motor. The study has been performed burning SRAM II and MMIII stage 3 propellant (ANB-3066), in chimneys ranging in size from 18 cm to 53 cm (twenty-one inches) in diameter. Several methods have been used to determine and confirm temperature measurements including thermometry, radiometry, and ultrasonic thermal sensing. Temperature profiles with peaks in excess of 2300° C have been measured. Temperature measurements have been used in conjunction with inverse modeling to determine heat flux characteristics. The regression rate for ANB-3066 (under ambient conditions) has also been determined. Finally, at a very cursory level, we have studied the characteristics of aluminum oxide deposits as well as some materials responses to these fires. We have also addressed the initial efforts on development of diagnostics, problems encountered in controlling the burning of propellants, in taking radiometric measurements, and the survivability of materials in the fire.
Report Numbers
E 1.99:ucrl-id--117701
ucrl-id--117701
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
06/20/1994.
"ucrl-id--117701"
"DE95002276"
Diaz, J C.
Type of Report and Period Covered Note
Topical; 06/01/1994 - 06/01/1994
Funding Information
W-7405-ENG-48
View MARC record | catkey: 14656648