Rocks & mirror

WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

I

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Insulation of cargo spaces

marine

The cargo holds on board trawlers, reefers and deepfreeze vessels are usually insulated with polyurethane foam and finished with special waterproof glued plywood. Instead of polyurethane foam, mineral wool can be applied or the combination of both.

Insulation of hot surfaces

marine

All exposed surfaces which personnel are likely to come in contact with are to have temperatures that do not exceed 71°C. If this cannot be achieved, the exposed surfaces are to be insulated or shielded.

Insulation of ship structures

marine

Decks, bulkheads and walls are very ofen covered by insulation materials in order to provide acoustic, fire or thermal insulation.

Insulation space of gas carrier

marine

The space, which may or may not be an interbarrier space, occupied wholly or in part by insulation.

Insulation system

energy

he electrical insulation system for wires used in generators, electric motors, transformers, and other wire-wound electrical components is divided into different classes by temperature and temperature rise.

Insulator

energy

An electrical insulator is a material that does not allow the free flow of electrons through th ematerial.

Intact stability criteria

marine

Analyzing the data of vessels that behaved well, and especially the data of vessels that did not survive adverse conditions, various researchers and regulatory authorities defined criteria for deciding if the stability of a vessel is satisfactory.

INTAKEMATIC

marine

An electrolytic anti-fouling protection system designed by Wilson Taylor especially for seawater intakes.

Integral fast reactor

energy

The integral fast reactor (originally advanced liquid-metal reactor) is a design for a nuclear reactor using fast neutrons and no neutron moderator (a "fast" reactor).

Integrated bridge systems (IBS)

marine

A series of interconnected and closely grouped screens and modules allowing centralised access to navigational, propulsion, control and monitoring information.

Integrated Full Electric Propulsion (IFEP)

marine

The use of a common power system for both propulsion and ship services.

Integrated gasification combined cycle

energy

An integrated gasification combined cycle is a technology using a high pressure gasifier to turn coal and other carbon based fuels into pressurized gas—synthesis gas (syngas).

Integrated monitoring system

marine

The combining of all the individual control systems in a plant into a single computer-controlled system. This would include all aspects of navigation, cargo control, machinery control and also administrative systems on a ship.

Integrated oxidation catalyst

energy

A solution for moderate CO and formaldehyde (CH2O) reduction from gas engines.

Integrated power system/United power system

energy

The IPS/UPS is a wide area synchronous transmission grid of some CIS countries with a common mode of operation and centralized supervisory control.

Integrated Propulsion Package (IPP)

marine

The IPP system consists of the CP propeller, the shaft line, the gearbox with built-in hydraulic system and the control system.

Integrated system

marine

A combination of computer-based systems which are interconnected in order to allow the communication between computer system and monitoring, control, and vessel management systems.

Intellectual property

energy

ntellectual property (IP) is a category of property that includes intangible creations of the human intellect.

Intelligent electronic device

energy

In the electric power industry, an intelligent electronic device (IED) is an integrated microprocessor-based controller of power system equipment, such as circuit breakers, transformers and capacitor banks.

Intelligent hybrid inverters

energy

Intelligent hybrid inverters, manage photovoltaic array, battery storage and utility grid, which are all coupled directly to the unit.

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