Operation/ working principle

Working Principle:

The heat exchanger works on the principle of heat transfer from one fluid to another. The hot fluid is passed through one side of the heat exchanger and the cold fluid is passed through the other side of the heat exchanger.

 

The two fluids are separated by a solid wall, which allows the heat to pass from the hot fluid to the cold fluid. Heat transfer takes place due to the temperature difference between the two fluids. The cold fluid absorbs the heat from the hot fluid and gets heated up while the hot fluid gets cooled down.

 

Basic Operation:

In a ship, the heat exchanger is used to cool down the hot water or oil in the engine’s cooling system. The cooling water is passed through the engine’s cooling system and then to the heat exchanger.

 

The hot water or oil from the engine is also passed through the heat exchanger. The two fluids are separated by a solid wall, which allows the heat to transfer from the hot water or oil to the cooling water.

 

The cooling water absorbs the heat from the hot water or oil and gets heated up. The hot water or oil gets cooled down and is then sent back to the engine’s cooling system.

 

The heated cooling water is then passed through a cooling tower or a sea chest to cool it down before it is again sent back to the engine’s cooling system.

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