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Drying kinetics of whole and sliced turmeric rhizomes (Curcuma longa L.) in a solar conduction dryer

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Drying of turmeric was carried out in a solar conduction dryer (SCD). Drying air temperature was achieved around 39–51 C for an ambient temperature in the range of 25–28 C. Moisture content from 78.65% (wb), was reduced to 6.36% (wb) and 5.50% (wb) for solid and sliced samples respectively in 12 h effective drying time. Drying curve of sliced samples
showed more uniform falling in comparison to that of whole samples. The average effective moisture diffusivity was found to be 1.852 · 1010m2 s1 for slab samples and 1.456 · 1010m2 s1 for solid samples. Out of four models tried for simulation, Page model was found as best fitted thin layer drying model when simulation was done for all the drying
data. The overall thermal efficiency of the dryer was found to be 55%. Drying of sliced rhizomes showed better drying kinetics and effective drying time could be reduced by slicing instead of drying in whole form.

Keywords:
Conduction Diffusivity Drying Model Moisture Simulation Solar Turmeric

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Ketersediaan

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Informasi Detail

Judul Seri

INFORMATION PROCESSING IN AGRICULTURE

No. Panggil

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Penerbit

: Elsevier B.V., 2015

Deskripsi Fisik

INFORMATION PROCESSING IN AGRICULTURE 2 (2015) 85–92

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

Food And Health

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

Lampiran Berkas

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