Abstract
It is the object of this study to find a method of high quality drying by far-infrared ray. This paper clarified the relationship between the chromatic properties of surface and the qualities on the dried lavers. The dried lavers had a high correlation between the grading and the chromatic properties of surface in the hue and luster values. Therefore, it was considered that the values of hue and luster can be used for the grading of dried lavers. A drying apparatus with the bar heater of far-infrared ray, was prepared for this experiment and the effects of the drying factors were analyzed. The surface temperatures of far-infrared heater and the air flow on the laver surface are the important factors for producing high quality lavers, and their combinations of drying conditions were clarified by this research.
