Vibro-Fluidized Bed Drying of Pumpkin Seeds: Assessment of Mathematical and Artificial Neural Network Models for Drying Kinetics

Table 1

Design specifications of the vibro-fluidized bed dryer.

Components	Specifications
Drying chamber	Dimension = 0.35 m × 0.40 m (diameter × height)
	Volume = 0.0384 m^3
	Capacity = 10–15 kg per drying cycle
Plenum chamber	Dimension = 0.35 m × 0.25 m (diameter × height)
Distributor plate	Dimension = 0.35 m diameter and 0.0002 m aperture diameter
Vibration motor (DC) with eccentric wheel blower	1HP
	2HP with 2800 rpm-3 phases
	Air flow rate = 650–670 m^3/h
Variable frequency drive (delta: VFD015S21D, US)	1.5 kW-1 phase
	Frequency = 0–60 Hz
Heating chamber	0.50 × 0.50 × 0.40 m
Heater	1 coil type = 2 kW and 4 fins type = 4 kW
PID controller (Instron IN- 312 and KRITMAN GHC-100, India)	30°C to 600°C
Temperature measurement	PT-100 and k-type thermocouple
Hot-air anemometer (Mextech AM 4208, Mextech, India)	Sensor = 0.0072 m
	Air velocity range = 0.4–45 m/s
	Air temperature range = 0–50°C
	Air flow = 0–9999 m^3/min