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International Conference on Smart Technologies for Energy, Environment, and Sustainable Development

ICSTEESD 2020: Smart Technologies for Energy, Environment and Sustainable Development, Vol 2 pp 493–506Cite as

Mathematical and Thermal Modeling for Solar Drying of Tomato Slices

Part of the Springer Proceedings in Energy book series (SPE)

Abstract

A direct forced convective solar tunnel greenhouse dryer was designed, manufactured, and commissioned at Nashik, India for food processing. In this manuscript, drying kinetics of tomato was investigated firstly by thin-layer mathematical (semi-theoretical, theoretical, and empirical) models followed by thermal modeling for estimating convection heat and mass transfer coefficient. All models are validated with root mean square error (RMSE) and coefficient of determination (R2) through regression analysis. Based on the curves, Wangh and Singh model (R2 = 0.9958; RMSE = 0.0116) was chosen as the finest model to illuminate the drying kinetics. Experimental data was used to ascertain the values of constants C and n by means of linear regression and consequently, values of convection heat (2.17–13.51 W/m2K) and mass transfer (94-854 W/m2K) coefficients were anticipated. Result showed that the technology can be straightforwardly adopted for commercial use by the farming venture for small- and medium-scale farmers in India. Thin-layer mathematical drying models along with thermal modeling plays a significant role in perfect design and enhancement of the dryer. The dryer has been tested for different commodities and found exceptional for mass fabrication, superb transportability, effortless tracking, and easy assembling at site makes it a Do It Yourself (DIY) kit.

Keywords

  • Greenhouse drying
  • Thin-layer modeling
  • Thermal modeling

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  • DOI: 10.1007/978-981-16-6879-1_47
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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, SNJB’s Late Sau KBJ College of Engineering, Chandwad, Nashik, Maharashtra, India

    Rajendra C. Patil & Yogesh S. Kulkarni

Authors
  1. Rajendra C. Patil
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  2. Yogesh S. Kulkarni
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Editor information

Editors and Affiliations

  1. Faculty of Engineering and Science, University of Agder, Kristiansand, Norway

    Mohan Lal Kolhe

  2. Department of Mechanical Engineering, G. H. Raisoni College of Engineering, Nagpur, Maharashtra, India

    S. B. Jaju

  3. Department of Electrical Engineering, G. H. Raisoni College of Engineering, Nagpur, Maharashtra, India

    P. M. Diagavane

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Patil, R.C., Kulkarni, Y.S. (2022). Mathematical and Thermal Modeling for Solar Drying of Tomato Slices. In: Kolhe, M.L., Jaju, S.B., Diagavane, P.M. (eds) Smart Technologies for Energy, Environment and Sustainable Development, Vol 2. ICSTEESD 2020. Springer Proceedings in Energy. Springer, Singapore. https://doi.org/10.1007/978-981-16-6879-1_47

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  • DOI: https://doi.org/10.1007/978-981-16-6879-1_47

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-6878-4

  • Online ISBN: 978-981-16-6879-1

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