(T) - one tonne equals 1,000 kilograms. A unit of mass that is often also used for forces (sometimes expressed as 'tf'), 1tf = 9.81kN
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COMPRESSOR
A device which converts mechanical force and motion into pneumatic flow power.
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ANALYTICAL FERROGRAPHY
The magnetic precipitation and subsequent analysis of wear debris from a fluid sample .This approach involves passing a volume of fluid over a chemically treated microscope slide which is supported over a magnetic field. Permanent magnets are arranged in such a way as to create a varying field strength over the length of the substrate. This varying strength causes wear debris to precipitate in a distribution with respect to size and mass over the Ferrogram. Once rinsed and fixed to the substrate, this debris deposit serves as an excellent media for optical analysis of the composite wear particulates.
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GYROSCOPE
A rapidly rotating mass free to move about one or both axes perpendicular to the axis of rotation and to each other. It is characterized by GYROSCOPIC INERTIA and PRECESSION. Usually shortened to GYRO. The term also refers colloquially to the GYROCOMPASS.
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HEAVE
The oscillatory vertical rise and fall, due to the entire hull being lifted by the force of the sea. Also called HEAVING
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FLOW RATE
The volume, mass, or weight of a fluid passing through any conductor per unit of time.
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FRICTION
The resisting force encountered at the common boundary between two bodies when, under the action of an external force, one body, moves or tends to move relative to the surface of the other.
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PUMP
A device which converts mechanical force and motion into hydraulic fluid power.
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LIQUID
Any substance that flows readily or changes in response to the smallest influence. More generally, any substance in which the force required to produce a deformation depends on the rate of deformation rather than on the magnitude of the deformation.
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HEELING ERROR INSTRUMENT
Heeling adjuster. Also called VERTICAL FORCE INSTRUMENT
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POISE
A measure of viscosity (absolute viscosity) numerically equal to the force required to move a plane surface of one square centimeter per second when the surfaces are separated by a layer of fluid one centimeter in thickness. It is the ratio of the shearing stress to the shear rate of a fluid and is expressed in dyne seconds per square centimeter (DYNE SEC/CM2); 1 centipoise equals .01 poise.
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