Thermal Performance Study of Solar Air Dryers for Cashew Kernel: A Comparative Analysis and Modelling Using Response Surface Methodology (RSM) and Artificial Neural Network (ANN)

Table 2

Specifications of the equipment and the instruments used in the present work.

Instrument	Specifications	Make and model
Blower	1800 rpm, 5 hp stainless steel centrifugal air blower	Make: Airmass Engineers, India; model: AK401
Coil heater	Power input: 2000 W, 230 V, 50 Hz	Make: Airex, India; model: AX-S4
Anemometer	Resolution: 0.1 m/s; accuracy: +/-0.2 m/s	Make: Ace Instruments, India; model: ACE AM 4201
Temperature indicator	Resolution: 0.1°C; accuracy: +/-0.5°C	Selec TC544C digital temperature controller, India
Thermocouples	K type, range 0-180°C	Japsin Instrumentation, Jl-155
Pyranometer	Sensitivity: 10 μV (W/m^2), 2-wire RTU interface	Make: EKO, China; model no.: ML-02
Hygrometer	Resolution: 0.1% RH; accuracy: +/-3% RH	Make: R-Tek Instruments, India; RT-083 hygrometer