Basic Systems Flashcards
Definition of a system
A series of components and pipes that will deliver a substance from one point to another
Open loop system meaning
The working fluid is consumed
Example of a open loop system
A fuel system
Closed loop system meaning
The working fluid is reused
Example of a closed loop system
Fresh water cooling system
Good example of a system
A fuel system. Fuel moves from a main storage tank (deep down in the ship) and is delivered, in CLEAN WATER FREE conditions, to the injectors of a Diesel engine.
Types of tanks
Header tanks
Service tanks
Drain tanks
Header tanks use
Used as a reservoir, to top up tank or system
Service tank use
A reservoir for clean, water free supply of fuel
Drain tanks use
These collect oil from a system
Positive flow
Will fight through the resistance and create lots of pressure
Dynamic flow
Can’t cope with resistance but will produce large volume
Types of tank gauges
Contents gauge
Sounding tube (converging chart)
Gauge glass
What do strainers do
They are used to remove large, coarse particles, from a system.
Materials pipes are made from
Phosphor bronze, copper, copper nickel, brass, plastic
