20 Terms
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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
Orifice
Aerospace; Control systems
Opening having a closed perimeter through which a fluid may discharge. It may be open to the atmosphere, or it may be partially or completely submerged in the discharged fluid.
Power-to-weight ratio
Aerospace; Control systems
Relationship between power and weight. Turbine engines produce more power for weight than reciprocating engines.
Otto cycle
Aerospace; Control systems
A constant volume cycle, with four distinct operations performed intermittently. Reciprocating engines operate on this cycle.
Outside air temperature
Aerospace; Control systems
Commonly abbreviated as OAT, the temperature of the air outside the engine.
Overtemperature
Aerospace; Control systems
Temperature in excess of maximum allowable design temperature at the turbine exit.
Planform
Aerospace; Control systems
Form or shape of an object, as of an airfoil, as seen in plan view or from above.
