Run Out
Sandcast
Scavenge Pump
Sonic Venturi
Standard Day
Static Condition
Sump
T.D.C.
Thermal Efficiency
Torque
Turbocharger
Eccentricity or wobble of a rotating part.
A term used to describe a process by which a crankcase is made. An
engine with a
sandcast crankcase has belt driven alternator mounted on
the left rear accessory case and a front, right-hand mounted oil cooler.
A
pump (especially an oil pump) to prevent accumulation of liquid in some
particular area.
A restriction, especially in cabin pressurization systems, to limit the flow
of air through a duct.
By general acceptance, a condition of the atmosphere wherein specific
amounts of temperature, pressure, humidity, etc. exist.
A
term referring to properties of a body at rest.
The lowest part of a system. The main oil sump on a wet sump engine
contains the oil supply.
Top Dead Center. The position in which the piston has reached the top
of its travel. A line drawn between
the crankshaft rotational axis,
through the connecting rod end axis and the piston pin center would be a
straight line. Ignition and valve timing are stated in terms of degrees
before or after
TDC.
Regarding engines, the percent of total heat generated which is converted
into useful power.
Turbine
Inlet Temperature. The measurement of E.G.T. at the turbocharger
turbine inlet.
Twisting moment, or leverage, stated in pounds
-
foot (or pounds-inch).
A
device used to supply increased amounts of air to an engine induction
system.
In operation, a turbine is driven by engine exhaust gas. In turn,
the turbine directly drives a compressor which pumps air into the engine
intake.
Turbo Supercharged
A term used to describe an engine which obtains induction air
by
drawing
(engine)
it directly from the atmosphere into the Turbocharger Compression Inlet,
compressing the air and routing it to the pressurized induction system.
Vapor Lock
Variable Pressure
Controller
A condition in which the proper flow of a liquid through a system is
disturbed by the formation of vapor. Any liquid will turn
to vapor if
heated sufficiently. The amount of heat required for vaporization will
depend on the pressure exerted on the liquid.
A
device used to control the speed, and thus the output of the
turbocharger. It does so by operating the wastegate which diverts more,
or less, exhaust gas over the turbine.
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