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Impact of drying method of figs with small-scale flat-plate solar collector

Fahim Ullah (College of Engineering, Nanjing Agricultural University, Nanjing, China)
Min Kang (College of Engineering, Nanjing Agricultural University, Nanjing, China)
Lubna Hassan (Department of Zoology, Kohat University of Science and Technology, Kohat, Pakistan)
Ninghui Li (College of Engineering, Nanjing Agricultural University, Nanjing, China)
Jun Yang (College of Engineering, Nanjing Agricultural University, Nanjing, China)
Xingsheng Wang (College of Engineering, Nanjing Agricultural University, Nanjing, China)
Mansoor Khan Khattak (Department of Agricultural Mechanization, The University of Agriculture, Peshawar, Pakistan)

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 3 October 2016

Abstract

Purpose

The purpose of the study was to develop a performance flat-plate solar collector that would be used as a solar drier for fruit fig (Ficus carica L). This study proposes how and why solar energy is important for drying the agricultural products. This study aims to expand the domain of solar collector for different purposes and, most important, for agricultural resource normally found in the literature.

Design/methodology/approach

The paper opted for an exploratory study using the flat-plate solar collector with drying chamber for drying purposes of agricultural products. During the experiment, the data were collected with moisture content, drying rate of the product and solar irradiation falls on the collector.

Findings

This paper describes that how flat-plate collector works for agricultural products and how to reduce the moisture content in the product (fig). Efficiency of collector was evaluated under the ambient temperatures of 24°C. Efficiency also significantly increased from 53 to 55 per cent with an increase in ambient temperature from 22 to 24 °C. Figs (Ficus carica L) were dried in the drying chamber of the flat-plate solar collector. The products were dried at temperature of 55-65°C and 15 to 20 per cent humidity.

Research limitations/implications

Because of this research chosen, the research results are beneficiary for agricultural users for drying purposes. Therefore, the researchers are encouraged to dry the agricultural product with flat-plate solar collector, because it reduced the moisture content of the product very fast.

Originality/value

This paper fulfills an identified need to study that how flat-plat solar collector can be used.

Keywords

Acknowledgements

The author is very thankful to all the co-authors; they contributed in this research work. The author also thanks Dr Mansoor Khan Khattak for help during research work and idea given about the research. At last, the author is thankful to supervisor Dr Kang Min for support in writing the article.

Citation

Ullah, F., Kang, M., Hassan, L., Li, N., Yang, J., Wang, X. and Khan Khattak, M. (2016), "Impact of drying method of figs with small-scale flat-plate solar collector", World Journal of Engineering, Vol. 13 No. 5, pp. 407-412. https://doi.org/10.1108/WJE-08-2016-0054

Publisher

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Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited