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Animations & Simulations/ SUBDAM
JMS received SBIR funding from the Office of
Naval Research to design and develop a “SUBDAM” for
the U.S. Navy. The objective was to provide flooding
protection for submarines during brief stops for
personnel (BSP’s) while underway. Currently, water
floods through the forward escape hatch into the
interior decks below during BSP’s. JMS designed a
rigid and durable cofferdam to seal off the forward
escape hatch from intruding water. Additional
parameters surrounding the construction of the
proposed cofferdam is that it must possess the
ability to be stored in limited space and be able to
be setup and operational in a few minutes.
Preliminary computer generated designs were
developed in December 2000. In February 2001, a
scale model of the 688 Class forward escape hatch
was built. Working with the model, JMS’s designers
and engineers cooperated with material specialists
from PEL Associates to develop a prototype that met
all of the criteria and the strict parameters. The
proposed prototype cofferdam system consists of
specially designed inflatable “horseshoes” that seal
around the hatch and operate as a raised barrier,
preventing water from entering the decks below. A
neoprene skirt is attached inside of the horseshoes
to channel ocean spray that may enter the hatch into
an adjacent void space.
Contact Us
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...the submarine hatch...
...SUBDAM and hatch pie
section...
...hatch pie section and
SUBDAM installed...
...SUBDAM and hatch cross
section...
...the SUBDAM ready for
use...
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