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Determining of moisture diffusivity and activation energy in drying of apricots

Author

Listed:
  • E. Mirzaee
  • S. Rafiee
  • A. Keyhani
  • Z. Emam-Djomeh

Abstract

In this study, Fick's second law was used as a major equation to calculate the moisture diffusivity for apricot fruit with some simplification. Drying experiments were carried out at the air temperatures of 40, 50, 60, 70, and 80°C and the drying air velocity of 1, 1.5 and 2 m/s. The experimental drying curves showed only a falling drying rate period. The calculated value of the moisture diffusivity varied from 1.7 × 10-10 to 1.15 × 10-9 m2/s for apricot fruit, and the value of activation energy ranged from 29.35 to 33.78 kJ/mol at different velocities of air.

Suggested Citation

  • E. Mirzaee & S. Rafiee & A. Keyhani & Z. Emam-Djomeh, 2009. "Determining of moisture diffusivity and activation energy in drying of apricots," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 55(3), pages 114-120.
    • Handle: RePEc:caa:jnlrae:v:55:y:2009:i:3:id:8-2009-rae
    DOI: 10.17221/8/2009-RAE
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    Citations

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    Cited by:

    1. R.A. Chayjan & M. Kaveh, 2016. "Drying characteristics of eggplant (Solanum melongena L.) slices under microwave-convective drying," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 62(4), pages 170-178.
    2. H. Samimi. Akhijani & A. Arabhosseini & M.H. Kianmehr, 2016. "Effective moisture diffusivity during hot air solar drying of tomato slices," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 62(1), pages 15-23.
    3. Annisa Kusumaningrum & Dwi Joko Prasetyo & Ervika Rahayu Novita Herawati & Asep Nurhikmat, 2019. "Modelling the drying characteristics of the traditional Indonesian crackers "kerupuk"," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 65(4), pages 137-144.
    4. Timothy Adekanye & Abiodun Okunola & Olumuyiwa Moses & Endurance Idahosa & Yisa Boye & Aminu Saleh, . "Mathematical modeling of drying parameters of moringa oleifera leaves in a cabinet drye," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 0.
    5. Kivaandra Dayaa Rao Ramarao & Zuliana Razali & Chandran Somasundram, 2021. "Mathematical models to describe the drying process of Moringa oleifera leaves in a convective-air dryer," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 39(6), pages 444-451.

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