Fuel Oil System

Heaters and Viscosity Control



The oil is heated by steam (although thermal oil or electric heaters are used on other systems). The temperature of the oil is controlled by a viscosity measuring device. The viscosity must be maintained at the correct level for injection. On this particular system it is set at 16 Centistokes.





The viscosity controller in this particular case is an electronic device. It measures the damping of a vibration signal. The more viscous the fuel the less the vibration is damped.


The output from this signal is sent to the heater control valve.




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