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This study aims to evaluate the effectiveness of a dynamic dual-mode aeration system in greenhouse solar dryers for drying tomatoes.

Sustainable solar greenhouse drying of tomatoes: Kinetic modeling and environmental burden reduction

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Randomized trial evaluates tomato drying efficiency using innovative solar greenhouses, highlighting environmental benefits.

This study aims to evaluate the effectiveness of a dynamic dual-mode aeration system in greenhouse solar dryers for drying tomatoes.
Two configurations of greenhouse solar dryers were tested: flat-roof and gable-roof.
Tomato samples were dried in various shapes, under salted and unsalted conditions, comparing with open sun drying.
Key measurements included moisture removal rates, water-productivity, and carbon emissions.
The gable-roof GHSD achieved approximately 8.06% moisture in 10 hours, with a 44.4% faster drying time compared to open sun drying.
Peak drying rate for salted slices in the gable-roof system reached 4.5 g water/g dry matter·h.
Effective moisture diffusivity ranged from 0.58 to 2.84 × 10 -10 m 2 /s across different configurations.

Elwakeel et al. (2026) studied this question.

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