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

Divergent area

Aerospace; Control systems

Place where air flows from a smaller into a larger area.

Engine stations

Aerospace; Control systems

Specific locations on the engine designating temperature or pressure-measuring locations. For example, T3 means the third temperature pickup on the engine.

Engine oil temperature indicating system

Aerospace; Control systems

Device electrically connected to the 28 VDC system which transmits temperature readings to the indicator in degrees centigrade.

Engine speed notation

Aerospace; Control systems

The capital letter N, which represents the rotational speed of the engine. When a number is placed after the N (as in "N1"), it indicates a specific system on the engine.

Exhaust gas temperature indicator

Aerospace; Control systems

Sensitive millivolt metre calibrated in degree centigrade, activated by an electrical force generated by its thermocouple.

Exhaust diffuser

Aerospace; Control systems

Section composed of an inner and outer housing, separated by hollow struts across the exhaust passage. It forms a divergent flow path for the exhaustgases.

Fir tree mount

Aerospace; Control systems

Manner of attaching the blades to the disc in the turbine rotor assembly. The root of the blade where it is attached to the disc is shaped like a fir tree.