Rocks & mirror

WÄRTSILÄ
Encyclopedia of Marine and Energy Technology

S

696 results

S-57 Standard Format

marine

A type of electronic navigational chart (ENC) format. The S-57 digital chart is a vector format based on the S-57 object model.

Sabatier reaction

energy

A process that produces methane and water from a reaction of hydrogen with carbon dioxide at elevated temperatures and pressures in the presence of a nickel catalyst.

Sacrificial anode

energy

Sacrificial anode, is the main component of a galvanic cathodic protection system used to protect buried or submerged metal structures from corrosion.

Sacrificial anode cathodic protection

marine

Ametal can be made cathodic by electric connecting to a more anodic metal within the electrolyte.

Sacrificial metal

energy

A sacrificial metal is a metal used as a sacrificial anode in cathodic protection that corrodes to prevent a primary metal from corrosion, galvanization or rusting.

Safe Anchor Handling System (SAHS)

marine

Handling of rig anchors is one of the most demanding and dangerous tasks performed in the marine service industry.

Safe Return to Port (SRtP)

marine

Capsizing of COSTA CONCORDIA and fire of engine room on board CARNIVAL TRIUMPH show that hundred years after tragic sinking of the ocean liner TITANIC passenger ships are still not sufficiently safe.

Safe speed

marine

The speed of a vessel allowing the maximum possible time for effective action to be taken to avoid a collision and to be stopped within an appropriate distance.

Safe Working Load (SWL)

marine

The SWL for shipboard lifting appliances and heavy lift cranes is the load that each complete crane assembly is approved to lift on the cargo hook, excluding the weight of the gear (hook, block, wire, etc.).

Safe working practice

marine

An accepted working procedure which ensures a person to be able to perform a particular task safely and without being exposed to any unnecessary risks.

Safe working pressure

marine

The maximum permissible pressure in cargo hoses.

Safety

energy

Safety is the state of being "safe", the condition of being protected from harm or other non-desirable outcomes.

Safety data sheet

energy

A safety data sheet (SDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.

Safety engineer

energy

A safety engineer is a company employee whose primary responsibility is designing procedures and implementing systems to keep staff safe. By combining a knowledge of health and safety with systems engineering, they are able to ensure that software, machinery, chemicals, and other environmental factors are safe.

Safety engineering

energy

Safety engineering is an engineering discipline which assures that engineered systems provide acceptable levels of safety.

Safety head

marine

A device which in operating condition expels the gas at a velocity in excess of the flame propagating velocity of that gas mixture

Safety standards

energy

Safety standards are standards designed to ensure the safety of products, activities and processes, etc.

Safety system

marine

An automatic control system designed to automatically lead controlled machinery to a predetermined less critical condition in response to a fault...

Safety valve

energy

A safety valve is a valve that acts as a fail-safe.

Safety workstation

marine

Workstation on the bridge at which monitoring displays and operating elements of systems serving the ship’s own safety are concentrated.

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