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Fluidized bed drying characteristics and modeling of ginger (zingiber officinale) slices

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Abstract

In this study fluidized bed drying characteristics of ginger have been investigated. The effects of the fluidizing air temperature, velocity, humidity and bed height on the drying performance of ginger slices have been found. The experimental moisture loss data of ginger slices has been fitted to the eight thin layer drying models. Two-term model drying model has shown a better fit to the experimental data with R2 of 0.998 as compared to others.

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Abbreviations

a, b, c:

Model constant

D:

Diffusion coefficient (m2/s)

DR:

Drying rate (kg/m2h)

k1, k2:

Drying constant

L:

Thickness of samples (m)

M:

Moisture content

m:

Mass (kg)

MR:

Moisture ratio (db%)

n:

Drying exponent

N:

Number of data points

RH:

Relative humidity (decimal)

R2:

Coefficient of determination

T:

Temperature (°C)

t:

Time (min)

V:

Velocity (m/s)

d:

Dry

db:

Dry basis

e:

Equilibrium

eff:

Effective

m:

Measured

o:

Initial

t:

Total

wb:

Wet basis

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Authors and Affiliations

  1. Department of Mechanical Engineering, Faculty of Engineering, Sakarya University, M7 7320, Esentepe Campus, 54187, Sakarya, Turkey

    Nezaket Parlak

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Parlak, N. Fluidized bed drying characteristics and modeling of ginger (zingiber officinale) slices. Heat Mass Transfer 51, 1085–1095 (2015). https://doi.org/10.1007/s00231-014-1480-4

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