International Journal of Photoenergy / 2016 / Article / Tab 3 / 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.
Number Type of dryer Drying capacity (kg) Moisture content (% wb) Drying time Saving in time (%) Thermal efficiency (%) SMER (kg/kWh) Refs. 1 Open sun drying — 80 10 65 h — — —
[4 ] Solar drying 40 80 10 33 h 49 28 0.19 2 Open sun drying — 74 9 5 days — — —
[5 ] Solar greenhouse dryer 500 74 9 3 days 40 — — 3 Open sun drying — 76 9 105 h — — —
[6 ] Solar tunnel dryer 350 76 9 50 h 52.38 — — 4 Open sun drying — 90 10 93 h — — —
[7 ] Double-pass solar dryer 40 90 10 32 h 65.59 — — 5 Open sun drying — 75 15 5 days — — —
[3 ] Solar greenhouse dryer 300 75 15 3 days 40 — — 6 Open sun drying — 76.7 8.4 4 days — — —
[8 ] Solar assisted biomass drying 22 76.7 8.4 32.5 h 66 — — 7 Open sun drying — 4 db 0.08 db 64 h — — —
[9 ] Solar assisted heat pump dryer 15 4 db 0.05 db 32 h 50 — — 8 Open sun drying 7.5 4.26 db 0.08 db 62 h — — —
Present study Solar assisted heat pump dryer integrated with biomass furnace 22 4.26 db 0.08 db 11 h 82 9.03 0.14