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Determination of drying characteristics and airflow performance of a turbo-stove assisted solar dryer

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Evaluation of a turbo-stove solar dryer shows improved drying efficiency and product quality for food preservation in rural areas.

This research aims to assess the drying characteristics and airflow performance of a turbo-assisted solar dryer.
Designed and evaluated a twin-wall polycarbonate solar dryer integrated with a turbo-assisted stove.
Conducted drying experiments with open dryer, closed dryer, turbo-assisted stove dryer, and traditional sun drying.
Measured airflow rates and drying performance with sweet potato leaf samples weighing approximately 15 kg.
Turbo-assisted solar dryer achieved the highest mean airflow rate of 1.14 m³/s when unloaded.
Under loading conditions, the open dryer and closed dryer had higher exhaust airflow rates compared to the turbo-assisted dryer.
The turbo-assisted dryer demonstrated superior thermal performance and highest drying rate of 93.784 g H₂O/g dM·h.

Curay-Sumaria et al. (2025) studied this question.

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