NDLI: Moisture Transport Mechanism and Drying Kinetic of Fresh Harvested Red Onion Bulbs under Dehumidified Air

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Moisture Transport Mechanism and Drying Kinetic of Fresh Harvested Red Onion Bulbs under Dehumidified Air

Content Provider	Scilit
Author	Asiah, Nurul Djaeni, Mohamad Hii, Ching Lik
Copyright Year	2017
Abstract	Drying plays an important role in post-harvest handling of onion for prolonging storage time. This research focuses on the drying studies of red onion bulbs using dehumidified air. The works were carried out by observing the microscopic structure of red onion bulbs layer and followed by developing mass transfer model for moisture diffusion during drying. Moisture diffusivity was estimated from drying experiments conducted at various temperatures (40, 50 and 60 °C) using the unsteady state solutions of Fick’s second law model. The diffusivity values were used to predict the drying kinetics as well as effective drying time for different air relative humidity. Results showed that combination of low relative humidity and low drying temperature significantly improved drying rate and reduced drying time.
Related Links	http://www.degruyter.com/downloadpdf/j/ijfe.2017.13.issue-9/ijfe-2016-0401/ijfe-2016-0401.xml
ISSN	21945764
e-ISSN	15563758
DOI	10.1515/ijfe-2016-0401
Journal	International Journal of Food Engineering
Issue Number	9
Volume Number	13
Language	English
Publisher	Walter de Gruyter GmbH
Publisher Date	2017-08-12
Access Restriction	Open
Subject Keyword	International Journal of Food Engineering Agricultural Engineering Red Onion Bulbs Drying Kinetics Moisture Diffusivity Moisture Transfer Journal: International Journal of Food Engineering, Vol- 13
Content Type	Text
Resource Type	Article

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