Improving the mobile structure of a vertical modular solar dryer for the agricultural sector "From field to fork"

Authors

DOI:

https://doi.org/10.15587/1729-4061.2025.323607

Keywords:

solar dryer, mobility, agricultural raw materials, hemispherical collectors, thermal accumulator, autonomous fans, competitiveness, export potential

Abstract

The object of this study is the radiation drying of local agricultural raw materials (Jerusalem artichoke of the "Kyivskyi bily" variety and apples of the "Williams" variety) in a mobile structure of a vertical-modular solar dryer. The study is aimed at improving the resource-saving drying of agricultural raw materials. The solar dryer has adjustable hemispherical air collectors (tilt angle 20…45°) and a heat-insulated chamber with a thermal accumulator (stone pebbles, size 50–80 mm), a backup infrared heater (600 W), and autonomous fans in a combination with Peltier elements. Drying of agricultural raw materials with a thickness of 4–12 mm and a heat carrier speed of 0.05–2.0 m/s was carried out in the summer-autumn decades of 2024. The drying duration of Jerusalem artichoke was 38.6–50 h, apples – 30.5…37 h; drying temperature – 22…50 °C. Moisture removal was 77.8 % for Jerusalem artichoke and 87.0 % for apples. Moisture removal when loading 6.0 kg of raw materials was 3.5 kg for Jerusalem artichoke (77.8 % moisture) and 4.2 kg for apples (87.0 % moisture) under drying conditions to a moisture content of 20.0 %. Losses of vitamin C during sun drying in Jerusalem artichoke were 2.17 times (versus 3.21 times during convective drying), and in apples – 2.26 times (versus 2.58 times). Dietary fiber in Jerusalem artichoke decreased by 2.29 times (versus 3.33 times), and in apples – by 2.25 times (versus 3.91 times). Losses of β-carotene in Jerusalem artichoke during sun drying were 2.65 times (versus 3.08 times). There was also a smaller decrease in phosphorus and mono- and disaccharides. Dried semi-finished products had a uniform appearance, light yellow color, and natural taste and aroma properties. An improved mechanism for managing the competitiveness of agricultural enterprises combines technical, economic, and organizational aspects for entering the European market and expanding exports

Author Biographies

Andrii Zahorulko, State Biotechnological University

PhD, Associate Professor

Department of Equipment and Engineering of Processing and Food Production

Iryna Voronenko, National University of Life and Environmental Sciences of Ukraine

Doctor of Economical Sciences, Senior Researcher

Department of Information Systems and Technologies

Sofiia Minenko, State Biotechnological University

PhD, Senior Lecturer

Department of Management, Business and Administration

Andrii Pugach, Dnipro State Agrarian and Economic University

Doctor of Public Administration Sciences, Professor, Dean

Olena Nazarenko, Dnipro State Agrarian and Economic University

PhD, Associate Professor

Department of Philology

Olesya Lebedenko, Dnipro State Agrarian and Economic University

PhD, Associate Professor

Department of Management, Public Management and Administration

Eldar Ibaiev, Kharkiv State University of Food Technology and Trade

PhD Student

Department of Processes and Equipment Food and Hospitality-Restaurant Industry named after M. Belaev

Nataliia Tytarenko, State Biotechnological University

Department of Equipment and Engineering of Processing and Food Production

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Improving the mobile structure of a vertical modular solar dryer for the agricultural sector "From field to fork"

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Published

2025-02-28

How to Cite

Zahorulko, A., Voronenko, I., Minenko, S., Pugach, A., Nazarenko, O., Lebedenko, O., Ibaiev, E., & Tytarenko, N. (2025). Improving the mobile structure of a vertical modular solar dryer for the agricultural sector "From field to fork". Eastern-European Journal of Enterprise Technologies, 1(11 (133), 6–16. https://doi.org/10.15587/1729-4061.2025.323607

Issue

Vol. 1 No. 11 (133) (2025): Technology and Equipment of Food Production

Section

Technology and Equipment of Food Production

License

Copyright (c) 2025 Andrii Zahorulko, Iryna Voronenko, Sofiia Minenko, Andrii Pugach, Оlena Nazarenko, Olesya Lebedenko, Eldar Ibaiev, Nataliia Tytarenko

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