Combustion of metals in water is important in at least three technical areas: underwater explosives, nuclear reactor safety and metal refining and processing safety. Three approaches are being taken to understand the complicated phenomenon. First, combined analytical and computer studies are being pursued. For supersonic flow in water, which is generated by a shaped charge metal jet underwater, a solution using the Busemann Apple Curve has been obtained. Rayleigh solved bubble dynamics for underwater explosions; his solution has been extended to include heat addition during expansion. Second, shaped charges were fired into water, and the resulting flow was observed using a framing camera. Also, radiation both wide band (visible spectrum) and narrow band (AlO vibration‐electronic) was measured. Third, a combustion chamber has been built in which exploding metal wires can be exposed to steam, vacuum, argon, oxygen, nitrogen, air, and other environments. A current surge of 500 amperes in 1.0mm diameter wires causes ignition and burning in air and steam atmospheres. The resulting combustion has been examined using 35 mm cameras, high speed movies, photomultiplier tubes (PMT), and voltage and current measurements. Slow heating of wires has also been investigated.
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