A Diesel engine
is cooled by fresh
water,
oil or air.

1

COOLING THE

PISTON

The piston rod is
hollow.
When the piston
goes
up and down,
the coolant (oil)
enters through the
inside return pipe
and leaves
through the
piston rod bore.

….. because

2

COOLING THE

CYLINDER

The cylinder is cooled
by injecting the
coolant (fresh water)
into the cylinder jacket.

….. because

3

COOLING THE

COOLANTS

The cooling
medium
must be cooled
by
sea water, which
is led
into the ship
through
heat exchangers.

4

….. because

5

The sea water
enters
the ship through a
sea chest.

COOLING THE

COOLANTS

HEAT EXCHANGERS

In a heat
exchanger
the hot coolant
is
usually cooled by
sea water.

6

C P.C. van Kluijven

SHIPPING AND TRANSPORT COLLEGE ROTTERDAM