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Investigation of Drying of Apple Slices in Carbon Fiber Assisted Cabin Dryer at DifferentTemperatures: Drying Characteristics and Performance Evaluation ABSTRACT Drying behaviour of apple slices in carbon fiber assisted cabin dryer (CFACD) was investigated, and performance evaluation of the process was conducted. The compatibilities of fourteen different thin layer drying models to the experimental data were examined. The highest corrected coefficient of determination, the lowest reduced chi-square and the lowest root mean square error were chosen as the model compatibility criterion. "Diffusion approach" model was determined as best model describing the drying behavior. Effective diffusion coefficient (Deff) was found between 2.06x10 -10 and 4.56x10 -10 m 2 /s. For the temperature between 60-80°C, energy efficiency was in the range of 10.51-13.12% while exergy efficiency values were between 9.44-11.64%. The specific moisture removal rate of apple slices in KFKK was found as 4.44*10 -5 ±0.00, 4.85*10 -5 ±0.00, 5.63*10 -5 ±0.00 kg removed water/kJ for the drying temperatures of 60, 70 and 80°C, respectively.

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