The Self Clearing Continuous Centrifuges (SCCC) are mainly used in the sugar industries for the separation of sugar crystals from molasses. Variation of bed thickness in a SCCC is expected to play an important role in the quality of sugar crystals. However since baskets are normally rotating at a speed of more than 1000 rpm, measuring the bed thickness is a difficult task which is tackled as a part of this research. In the present paper, the optical method based on laser technology application was designed and developed for directly on-line measuring the bed thickness on a (SCCC) which does not interfere with flow behavior in the basket.

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