| 摘要 |
A system (10) for monitoring the quality of fuels supplied to a large diesel engine (9) includes a supply tube portion (12) for supplying fuel. The system in addition includes at least one source (13) being an ultrasonic transmitter for emitting ultrasonic waves or a X-ray source for emitting X-rays respectively into fuel contained in the supply tube portion (12) and at least one detector (14) for detecting scattered ultrasonic waves or diffracted X-rays respectively, for producing a signal indicating the presence of solid particles in the fuel. The system (10) further includes a particle control unit (11) connected to the detector (14) for evaluating the signal with respect to the number and/or to the size of the solid particles in the fuel.
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