Effect of Relative Humidity on Drying Kinetics of Agricultural Products

Sulastri Sabudin; Mohd Zairul Hakimi Remlee; Mohd Faizal Mohideen Batcha

doi:10.4028/www.scientific.net/AMM.699.257

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 699Effect of Relative Humidity on Drying Kinetics of...

Effect of Relative Humidity on Drying Kinetics of Agricultural Products

Abstract:

The demand for food has been ever increasing in proportion with the growing human population. This includes agricultural products including fruits. Hence, food preservation for extended usage through drying is gaining importance. This study reports the drying behavior of several agricultural products, namely sweet potato, carrot, ginger, turmeric, passion fruit and its rind. Focus has been given to the effect of relative humidity on drying for these products at room temperature. Experiments were carried out at 27°C by varying relative humidity at 40%, 60% and 80%. It was found that the relative humidity has a strong effect on drying, with lower relative humidity providing higher drying rates. In humid surrounding like Malaysia which has an average humidity more than 70%, controlling humidity of drying air may result in an energy efficient process in comparison to raising the drying air temperature

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Periodical:

Applied Mechanics and Materials (Volume 699)

Pages:

257-262

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.699.257

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Online since:

November 2014

Authors:

Sulastri Sabudin*, Mohd Zairul Hakimi Remlee, Mohd Faizal Mohideen Batcha

Keywords:

Agricultural Products, Drying Behavior, Drying Rate, Relative Humidity

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