A STUDY OF UNDERWATER EXPLOSIONS IN A HIGH GRAVITY TANK
NAVAL ORDNANCE LAB WHITE OAK MD
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Model underwater explosion tests were conducted in a test tank accelerated at up to 190 gravities on a 35-ft radius centrifuge. High speed movies were made of the explosion phenomena. The effects of tank size, air pressure, acceleration, and charge depth on the explosion characteristics were determined and several methods of using the scaling laws were compared. Models of specific prototype explosions were fired. Results indicated that three criteria scaling provided scaled measurements closely approximating their full scale equivalents, i. e., sizes of successive bubble maxima, successive periods of oscillation, and migration.
- Underwater Ordnance