A project promoting the implementation of an international
treaty stemming the transfer of potentially invasive species in ships’
ballast water has been concluded at a meeting of stakeholders from
governments, the shipping industry and...
Starting & Reversing System in 2 Stroke marine Diesel Engines
Large two stroke marine diesel engines are started by starting air at 30 bar pressure. The starting air is inserted in...............
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REVERSING...
fuel injection system & Diagram in marine diesel engine
The fuel injection system is one of the most important parts of a marine diesel engine. A fuel injection system does the work of providing the right amount of fuel to the engine cylinder at the right moment. It is also extremely important that the fuel...
Basic line diagram of Engine Room for junior engineer and rating.
For every engineer officer, preliminary theoretical knowledge of day to day operations and piping systems is important for taking cognizance of complicated machinery operations.
The junior rank is generally the in-charge of daily transfers related to...
UPTAKE FIRE in MARINE DIESEL ENGINE and boiler
UPTAKE FIRE
Engine exhaust gas contains particulates which consist of partially burnt fuel and/or lubricating oil and ash. These particulates can form deposits on boiler Tubes. Especially during prolonged low load operation, which reduces exhaust...
SCAVENGE FIRES | Cause, indication, Action and prevention
Scavenge Fire
For a scavenge fire to occur there must be present combustible material, oxygen or air to support combustion and source of ignition.
The combustion material for scavenge fire is oil.
It can be cylinder oil which is drained from...
What is Crankcase Explosion? Cause, Indication and Action
CRANKCASE EXPLOSION
For a explosion to occur there must be source of air (oxygen),fuel and ignition. Under normal conditions the oil/air concentration is too weak and the possibility of ignition by heat source is too low.
Crankcase oil should...
CHARGE AIR COOLING AND AIR COOLERS
Charge Air Cooling :
The air density determines the maximum weight of fuel that can be effectively burned per working stroke in the cylinder, it also determines the maximum power that can be developed by the engine.
The increase in air density is...
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