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Abstract
An experimental investigation was performed in the solar dryer integrated with the thermal energy storage system for drying tomato slices and Calotropis gigantea leaves. The experiment was conducted for the drying of tomato slices and C. gigantea leaves based on field performance data under the climatic conditions of Gurugram regions of India. It was observed that the average specific energy consumption, collector efficiency and drying efficiency of the evacuated tube collector-based solar dryer with thermal energy storage during drying of tomato slices and C. gigantea leaves are 2.321 kWh/kg, 61.70%, 36.33%, and 2.882 kWh/kg, 57.70%, 33.08% respectively. The efficiency of the system is enhanced by 30% with the use of thermal energy storage. The benefit-cost ratio of the system is 3.4 with an attractive payback period of 2.8 years.
Highlights:
Development of solar dryer with thermal energy storage system is carried out.
Drying of tomato slices and Calotropis gigantea leaves is investigated.
Performance evaluation of thermal energy storage is carried out.
Performance evaluation of solar dryer with thermal energy storage is analysed.
Disclosure statement
No potential conflict of interest was reported by the author(s).