Evaluasi Pengeringan Pisang Sale (Musa Paradisiaca L.) Pada Alat Pengering Hybrid (Surya-listrik) Tipe Rak

Hybrid (solar-electricity) dryer use additional heat from heater, therefore its efficiency is higher than the solar one. This research aimed to evaluate energy requirement during the drying process and to study efficiency of drying chamber of hybrid (solar-electricity) tray type dryer to drying Sale Banana. Method used was experimental. Material used was banana sliced 0.8 cm and 0.4 cm thickness. Research parameters consist of temperature, moisture content, drying time, drying energy, air flow velocity, and solar intensity. Analyzed data were drying energy produced by the collector, energy to evaporate water in the material, efficiency of drying chamber, and energy to increase material's temperature. Data analysis conducted using Microsoft excel. This hybrid dryer is suitable for Sale Banana drying with drying chamber's optimum temperature of 55°C. The result showed that the best drying process using hybrid dryer obtained with material thickness of 0.4 cm, whereas maximum efficiency of solar dryer was 42.21%. Keywords:  heater, collector, drying, banana