The sideways component of a propeller's action (also called the paddlewheel effect). With a right-hand revolving prop in ahead propulsion it causes a vessel's bow to slew to the left, and in astern propulsion it's stern to slew to the left. The opposite is the case with a left-hand revolving prop.
Related Terms |
ACTION
Refers to the action of a controller. It defines what is done to regulate the final control element to effect control.
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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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CATALYST
A substance which speeds a chemical action without undergoing a chemical change itself during the process. Now used in catalytic converters to control amount of unburned hydrocarbons and CO in automobile exhaust.
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INGESTED CONTAMINANTS
Environmental contaminant that ingresses due to the action of the system or machine.
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CONDENSE
Action of changing a gas or vapor to a liquid.
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BIOLOGICAL CORROSION
Deterioration of metals as a result of the metabolic action of microorganisms. Also often named fouling.
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CORROSIVE WEAR
A material deterioration due to the co-joint action of corrosion and mechanical action.
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LIQUID EROSION
Removal of films or metal by mechanical action and corrosion of active metal.
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ELECTROLYSIS
Chemical decomposition caused by action of an electric current in a solution.
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HARDNESS CONTROL
An action designed to remove hardness and at the same time to produce an equivalent amount of suspended solids.
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