The distance, in miles, traveled relative to a reference point which is usually in motion.
Related Terms |
% CORREL
The percentage of peaks in the used oil infrared spectrum which match those in the reference oil. A sudden decrease in this value usually means that the oil was mixed with a different type.
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GRID TRACK
The direction of the track relative to grid north
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HELIOCENTRIC
Relative to the sun as a center
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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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FRETTING
Wear phenomena taking place between two surfaces having oscillatory relative motion of small amplitude.
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GRID NORTH
1. An arbitrary reference direction used with grid navigation. The direction of the 180th geographical meridian from the north pole is used almost universally as grid north. 2. The northerly or zero direction indicated by the grid datum of directional reference.
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HYDROGRAPHY
The science that deals with the measurement and description of the physical features of the oceans, seas, lakes, rivers, and their adjoining coastal areas, with particular reference to their use for navigation.
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HYDROGRAPHIC SURVEY
The survey of a water area, with particular reference to submarine relief, and any adjacent land
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TRIBOLOGY
The science and technology of interacting surfaces in relative motion, including the study of lubrication, friction and wear. Tribological wear is wear that occurs as a result of relative motion at the surface.
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CORROSION POTENTIAL
The voltage between a corroding metal and a reference electrode.
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