Research Article

Design and Performance Evaluation of a Solar Assisted Heat Pump Dryer Integrated with Biomass Furnace for Red Chilli

Table 3

Performances of solar assisted heat pump integrated with biomass furnace compared with open sun drying and several types of solar dryers in references.

NumberType of dryerDrying capacity (kg)Moisture content (% wb)Drying timeSaving in time (%)Thermal efficiency (%)SMER (kg/kWh)Refs.

1Open sun drying801065 h [4]
Solar drying40801033 h49280.19

2Open sun drying7495 days [5]
Solar greenhouse dryer5007493 days40

3Open sun drying769105 h [6]
Solar tunnel dryer35076950 h52.38

4Open sun drying901093 h [7]
Double-pass solar dryer 40901032 h65.59

5Open sun drying75155 days [3]
Solar greenhouse dryer30075153 days40

6Open sun drying76.78.44 days [8]
Solar assisted biomass drying 2276.78.432.5 h66

7Open sun drying4 db0.08 db64 h [9]
Solar assisted heat pump dryer154 db0.05 db32 h50

8Open sun drying7.54.26 db0.08 db62 h Present study
Solar assisted heat pump dryer integrated with biomass furnace224.26 db0.08 db 11 h829.030.14