auxiliary boiler
Học thuậtThân thiện
Definition
Noun 1. A supplementary boiler on a ship: An auxiliary boiler is an extra steam-generating unit installed on a vessel, typically used when the main boilers are not in operation, such as when the ship is docked in port.
Usage
- The term is primarily used in nautical and marine engineering contexts to refer to a secondary source of steam power on a ship.
- It is a compound noun where "auxiliary" modifies "boiler" to specify its supportive or backup function.
Examples
Advanced Usage
- "Fired" vs. "Unfired" Auxiliary Boiler: In technical specifications, an auxiliary boiler may be described as "fired" (using fuel) or, in some modern contexts, could utilize waste heat, though this is less common for the traditional definition.
- Operational Context: Its use is often associated with specific operational modes: "in-port operations," "cold iron" (ship with main engines shut down), or "emergency standby."
Variants and Related Words
- Donkey boiler: A historical synonym for an auxiliary boiler, especially on steamships.
- Auxiliary machinery: A broader term for all supplementary mechanical equipment on a ship, which may include the auxiliary boiler.
- Main boiler: The primary boiler(s) used for propulsion at sea.
Synonyms
- Supplementary boiler
- Backup boiler
- Donkey boiler (historical/nautical)
Related Phrases
- Port boiler: Informal term emphasizing its use while the ship is in port.
- Auxiliary steam supply: The function provided by the auxiliary boiler.
Noun
- (nautical) an extra boiler (as a ship's boiler that is used while the ship is in port)