HYBRID GREENHOUSE SOLAR DRYER PERFORMANCE FOR CASSAVA CRACKER DRYING WITH BIOMASS HEATING
DOI:
https://doi.org/10.31949/jmm.v5i1.16113Abstract
This study evaluated the performance of a Hybrid Greenhouse Solar Dryer (HGSD) integrating a modified-arch greenhouse design, forced convection via a solar-PV–driven blower, and supplementary biomass heating for cassava cracker drying. Experiments compared open sun drying (OD), HGSD without biomass, and HGSD with biomass (HB). Environmental parameters (temperature, humidity, solar radiation, wind speed) and mass-loss rates were monitored using a K-type thermocouple data logger, hygrometer, solar power meter, anemometer, and digital scale. Drying rates were 0.830 kg/h (OD), 0.956 kg/h (HGSD without biomass), and 1.151 kg/h (HB). Average chamber temperatures reached 41 °C (no biomass) and 44 °C (with biomass), with relative humidity maintained at 50–60% during the constant-rate phase. Economically, OD suits low-capital, HGSD without biomass yields high ROI, and HB ensures stable drying despite lower ROI. Integrating solar and biomass energy in HGSD improves drying efficiency and offers a sustainable solution for small-scale food processors
Keywords:
Biomass; Convection; Dryer; Greenhouse; Solar PVDownloads
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