Since the late 1970's, the Royal Ordnance Rocket Motors Division has conducted insensitive munitions trials on approximately 500 solid propellant rocket motors and data from over 400 of these have been included in a recently structured database. These trials preceded the current standards of MIL-STD-2105 and OB Proc 42657, and as a result, most of these trials were conducted on an individual bases in order to understand the basic responses to a wide range of threats. Although the trials were not undertaken as a balanced series of experiments, analysis of the data does permit some useful observation and comparisons to be made. In particular, the results of the 0.5 inch bullet impact trials and fuel fire (Fast Cook-off) tests were considered to be particularly relevant to the current UK, NATO, and USA requirements and these are discussed in detail. The general conclusions from these trials emphasize the importance of both the propellant type and body structure in the response to either mechanical or thermal attack. The database has enabled the capability of designing solid propellant rocket motors to meet bullet impact and fuel fire requirements.
Design Features of Rocket Motors Relating to Insensitive Munition Response to Thermo-Mechanical Stimuli
1992
18 pages
Report
No indication
English
Ammunition, Explosives, & Pyrotechnics , Rocket Propellants , Firing (Igniting) , Fuel tests , Impact damage , Mechanical shock , Ordnance , Solid propellant rocket engines , Temperature effects , Ballistics , Fires , Data bases , North atlantic treaty organization (Nato) , Thermodynamics , Foreign technology
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