WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

S

696 results

Seaman

marine

A person serving on a merchant ship except the master.

Search and rescue (SAR) boat

marine

All-weather search & rescue craft used to help ships and people in distress.

Search and rescue radar transponder (SART)

marine

A portable transmitter designed for survivor location during search and rescue operations.

Search and rescue vessel HERMANN MARWEDE

marine

The German Sea Rescue Service (DGzRS) decided to have a new rescue vessel in 2000. It took three years to bring this new project to fruition, and 27-knot HERMANN MARWEDE was delivered in 2003.

Search pattern

marine

A pattern according to which vessels and/or aircraft may conduct a coordinated search.

Search speed

marine

The speed of searching vessels directed by the on-scene commander or co-ordinator surface search.

Seasonal thermal energy storage

energy

The storage of heat or cold for use at a later time when either may not be available if required quantities.

Seat

marine

The structural support for an item of machinery or equipment.

Seaworthiness

marine

The ability of a ship to operate in all types of weather and sea states.

Seaworthy

marine

A term used to describe a ship which has adequate strength, freeboard and stability in order to carry and deliver its cargo in good condition.

Second

energy

The second (symbol: s, abbreviation: sec) is the base unit of time in the International System of Units (SI).

Second Assistant Engineer

marine

The licensed member of the engine department, in charge of twelve to four watch. On steam vessels he usually is responsible for boilers, on diesels, the evaporators and the auxiliary equipment.

Second generation biofuels

energy

Second generation biofuels, also known as advanced biofuels, are fuels that can be manufactured from various types of non-food biomass such as plant materials and animal waste. Second generation feedstocks include lignocellulosic biomass or woody crops, agricultural residues or waste, as well as dedicated non-food energy crops.

Second Mate

marine

The licensed member of the deck department, in charge twelve to four watch. A ship navigation officer.

Secondary barrier, secondary membrane

marine

The liquid-resisting outer element of a cargo containment system designed to ensure temporary containment of any envisaged leakage of liquid cargo through the primary barrier...

Secondary cell

energy

A secondary cell is a type of electrical battery which can be charged, discharged into a load, and recharged many times.

Secondary containment

energy

Some plants have a secondary containment system that encompasses the primary system.

Secondary coolant

marine

A liquid used for the transmission of heat, without a change of its state.

Secondary energy

energy

Secondary energy is a carrier of energy, such as electricity.

Secondary refrigerant

marine

A liquid or gas which is first cooled in the evaporator of a refrigeration system and then circulated through the refrigerated space.

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