Control systems

Control systems

Of or relating to systems used in the closed area of a spacecraft to permit life to be sustained, so that occupants are provided with a suitably controlled atmosphere in which to live and work.

Industry: Aerospace

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Control systems

static-balanced surface

Aerospace; Control systems

Surface that is in balance about its hinge axis.

stator

Aerospace; Control systems

Part of assembly that remains stationary with respect to a rotating part. Stator vanes are a stationary set of airfoils in a compressor.

stress

Aerospace; Control systems

Resultant condition of strain or pressure.

tachometer generator

Aerospace; Control systems

Device that supplies power at a frequency proportional to the driven speed which drives the synchronous motors in the indicator.

time between overhauls (tbo)

Aerospace; Control systems

Time between overhauls. This is established by the Army and the engine manufacturer.

test cell

Aerospace; Control systems

Building, usually concrete, that contains both a control room and an engine room, used for testing engines. The test cell is at the manufacturer's; a mobile engine-test unit is used in the field.

thermodynamic cycle

Aerospace; Control systems

Succession of processes which involve changes in temperature, pressure, and density in which the substance acts as a means of transformation ofenergy. See Otto and Brayton cycles.