Rocks & mirror

WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

I

226 results

Inner bottom, tank top

marine

Plating forming the top of the double bottom.

Inner hull

marine

The innermost plating forming a second skin of the ship hull.

Input surge current

energy

Input surge current, inrush current or switch-on surge is the maximal instantaneous input current drawn by an electrical device when first turned on.

Inrush current limiter

energy

An inrush current limiter is a component used to limit inrush current to avoid gradual damage to components and avoid blowing fuses or tripping circuit breakers.

In-Sea Equipment

marine

Any equipment deployed from the survey, towed or normally attached.

Insert plate

marine

A steel plate of greater thickness which is fitted at a region of increased stress, e.g. hatch corner.

Installed power capacity

energy

The total cumulative installed electricity generation capacity.

Instantaneous power

energy

Instantaneous power in an electric circuit is the rate of flow of energy past a given point of the circuit.

Instantaneous rate of discharge of oil content

marine

The rate of discharge of oil in litres per hour at any instant divided by the speed of the ship in knots at the same instant.

Institute of Electrical and Electronics Engineers (IEEE)

energy

The Institute of Electrical and Electronics Engineers (IEEE) is a professional association for electronic engineering and electrical engineering (and associated disciplines).

Institute of Marine Engineers, since 2000 The Institute of Marine Engineering, Science and Technology (IMarEST)

marine

A London-based organisation formed in 1899 to promote the scientific development of all aspects of marine engineering.

Instrument

marine

A device which provides a measurement or indication of the quantity measured.

Instrument air

marine

Compressed air which is suitable for use in pneumatic control equipment. It must be free of oil and dust and dry enough to ensure that no water condenses anywhere in the system.

Instrument transformer

energy

Instrument transformers are high accuracy class electrical devices used to isolate or transform voltage or current levels.

Instrumentation

marine

A system designed to measure and display the state of a monitored parameter and which may include one or more of sensors, read-outs, displays, alarms and means of signal transmission.

Insulated container

marine

A container insulated on its walls, roof, floor, and doors, to reduce the influence of external temperatures on the cargo.

Insulated container tank

marine

The frame of a container constructed to hold one or more thermally-insulated tanks for liquids.

Insulating flange

marine

A flanged joint incorporating an insulating gasket, sleeves and washers to prevent electrical continuity between pipelines, hose strings or loading arms.

Insulation

energy

Materials used for insulating electrical wires and cables

Insulation material

marine

Rockwool, polyurethane, Styrofoam, glass fibre or other material used for insulation.

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