CONVECTION—The transfer of heat by its
absorption by a fluid at one point followed by
motion of the fluid and rejection of the heat at
another.
COSAIL—Coordinated shipboard allowance list.
CORRECTIVE
MAINTENANCE—Maintenance
specifically intended to eliminate an existing
fault.
CSCP—Computer switching control panel.
CW—Chilled Water.
CW/DW—Chilled water/distilled water.
D
DATA—A representation of facts, concepts, or
instructions in a formalized manner suitable for
communication, interpretation, or processing by
humans or by automatic means.
DC—Direct current, a current that flows only in one
direction.
DCA—Damage control assistant.
DELTA CONNECTED—A three-phase connection
in which windings are connected end-to-end,
forming a closed-loop that resembles the Greek
letter delta. A separate wire is then connected
to each of the three junctions.
DESICCANT—A drying agent.
DEWPOINT—Temperature at which a condensable
component of a gas starts to condense into
liquid.
DFCS—Digital fire control switchboard.
DIGITAL—Pertaining to data in the form of digits.
DISTILLED WATER—Demineralized or ultrapure
water. Used in a cooling system’s secondary
loop.
DRY AIR—Air in which moisture has been removed.
D/S—Digital to synchro conversion.
DUPLEX—Double or twofold.
DWELL—A timed delay of programmed or
established duration, not cyclic or sequential.
E
EAT—End-around test.
EDDY CURRENT—Induced circulating currents in
a conducting material caused by a varying
magnetic field.
ELECTRODE—The terminal at which electricity
passes from one medium into another.
ELECTROLYTE—A solution of a substance that is
capable of conducting electricity. An electrolyte
may be in the form of either a liquid or a paste.
ELECTROMAGNETIC INDUCTION—The produc-
tion of a voltage in a coil due to a change in the
number of magnetic lines of force passing
through the coil.
ENTRAINED—A liquid in the form of fine droplets.
ETHYLENE GLYCOL—A
used as an antifreeze.
F
FLUX FIELD—A general
colorless, viscous liquid,
term used to designate
collectively all the electric or magnetic lines of
force in a region.
G
GPM—Gallons per minute.
GYROSCOPE—wheel or disc so mounted as to
spin rapidly about one axis and be free to move
about one or both of the two axes mutually
perpendicular to the axis of spin.
H
HEADING—Horizonal direction in which an object
is moving.
HERMETICALLY SEALED—Completely sealed so
as to keep air or gas from getting in or out.
AI-2
