CLUTCH/BRAKE ASSEMBLY--a clutch/
BORESCOPE --A small periscope (instru-
brake assembly for each GTE is mounted on the
ment) used to visually inspect internal engine
MRG housing to couple or decouple either or both
components.
engines to the drive train, to stop and hold the
BRIDGE CONTROL UNIT (BCU)--The
power turbine, and for shaft braking.
console located on the bridge of the DDG-51 class
ship that has equipment for operator control of
COALESCE --To grow together, unite, or
ship's speed and direction.
fuse, as uniting small liquid particles into large
droplets. This principle is used to remove water
BUS TIE BREAKER (BTB)--A device used
from fuel in the filter/separator.
to connect one main switchboard to another main
switchboard.
COHESION--The force that causes molecules
that are brought close together to stick together.
BUS--An uninsulated power conductor (a bar
or wire) usually found in a switchboard.
COMBUSTION CYCLE--The process that
CALIBRATION--( 1) The operation of making
includes compression of air, burning of compressed
an adjustment or marking a scale so that the
air/fuel mixture, expansion of gases, and removal
readings of an instrument conform to an accepted
of gases.
standard. (2) The checking of reading by com-
parison with an accepted standard
COMPRESSOR INLET TEMPERATURE
(CIT or T2)--The temperature of the air entering
CANTILEVER --A horizontal structural
the gas turbine compressor (GTE) as measured
member supported only by one end.
at the front frame; one of the parameters used
for calculating engine power output (torque) and
CASUALTY--An event or series of events in
scheduling combustion fuel flow and VSV angle.
progress during which equipment damage and/or
personnel injury has already occurred. The nature
COMPRESSOR DISCHARGE PRESSURE
and speed of these events are such that proper and
(CDP)--Compressor discharge pressure is sensed
correct procedural steps will only serve to limit
by a pressure tap on the compressor discharge
equipment damage and/or personnel injury.
static pressure sensing line to the MFC and piped
to a base-mounted transducer on the GTE.
CENTRAL CONTROL STATION (CCS)--
The main operating station from which a majority
COMPRESSOR INLET TOTAL PRESSURE
of the engineering plant machinery can be
(Pt 2)--The pressure sensed by a total pressure
controlled and monitored.
probe mounted in the GTE compressor front
frame.
CENTRAL INFORMATION SYSTEM EQUIP-
MENT (CISE)--Located in CCS and is part of
the PAMISE. It includes the general-purpose
COMPRESSOR --The component of a GTE
that compresses the air.
digital computer (ECU), S/CE No. 1, and
supporting equipment.
CONCENTRIC --Having a common axis or
CENTRIFUGAL FORCE--That force that
formed about the same axis.
tends to drive a thing or parts of a thing outward
from a center of rotation.
CONDUCTION --The transfer of heat
through matter by communication of kinetic
CIRCUIT BREAKER (CB)--A device used
energy from particle to particle rather than by a
to energize/de-energize an electrical circuit and
flow of heated material.
for interrupting the circuit when the current
becomes excessive.
CONTROLLABLE REVERSIBLE PITCH
(CRP) PROPELLER--A propeller whose blade
CLASSIFICATION --A method of identifying
pitch can be varied to control the amount of thrust
and sorting various equipment and materials. For
in both the ahead and astern directions. (Known
example: (1) check valve--swing check valve, stop
as controllable pitch propeller (CPP) on FFG-class
check valve; (2) valve--solenoid valve, manual
ships.)
valve.
AI-2