Paper · 2014

Mathematical Modelling of Thin Layer Mangoes (Mangifera indica L.) Drying Process

Edoun Marcel; Matuam Balbine; Alexis Kuitche

4
claims
8
verbatim quotes
6
citations
3
research areas
—
Not open access

Abstract

This study was conducted to investigate the effect drying process on hot-air drying kinetics of mangoes (Mangifera indica L.) slices and to evaluate the best model predicting the drying kinetics. The experimental study was carried out in an electric dryer at 40 °C, 50 °C and 60 °C, 0.6 m/s with two configurations (vertical airflow batch drying and vertical countercurrent airflow drying). To estimate and select the appropriate drying model, seven different models were applied to the experimental data and compared. The performances of these models were compared using the coefficient (R²), reduced chi square (χ²) and root mean square error (RMSE) between the observed and predicted moisture ratios. The analysis of results showed that the vertical countercurrent airflow drying permits us to obtain best quality of products in terms of moisture ration. Among the models used, the Midilli et al., model was found to best explain thin layer drying of mangoes slices as compared to the other models over the experimental temperature range. By increasing the drying air temperature, the effective moisture diffusivity values increased from 5.018 x 10 -10 to 7.395 x 10 -10 m 2 /s for vertical airflow batch drying and from 3.698 x 10 -10 to 7.660 x 10 -10 m 2 /s for vertical countercurrent airflow drying. The activation energy was calculated using an exponential expression based on Arrhenius equation and a E

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Vertical countercurrent airflow drying gave the best product quality in terms of moisture ratio.

Taxon
Mangifera indica L.Mangifera indicat0
Treatment
vertical countercurrent airflow dryinge1
Outcome
best quality of products in terms of moisture ratione1
Direction
beste1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Mangifera indica L.”

✓ located verbatim in the source · title, characters 46–65 · show in text ↑
e1

“The analysis of results showed that the vertical countercurrent airflow drying permits us to obtain best quality of products in terms of moisture ration”

✓ located verbatim in the source · abstract, characters 704–856 · show in text ↑
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The Midilli et al. model best explained thin-layer drying of mango slices compared with the other models over the experimental temperature range.

Taxon
Mangifera indica L.Mangifera indicat0
Outcome
best explain thin layer drying of mangoes slicese2
Comparator
the other modelse2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Mangifera indica L.”

✓ located verbatim in the source · title, characters 46–65 · show in text ↑
e2

“Among the models used, the Midilli et al., model was found to best explain thin layer drying of mangoes slices as compared to the other models over the experimental temperature range”

✓ located verbatim in the source · abstract, characters 858–1040 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Increasing drying air temperature increased effective moisture diffusivity from 5.018 x 10 -10 to 7.395 x 10 -10 m2/s in vertical airflow batch drying.

Taxon
Mangifera indica L.Mangifera indicat0
Treatment
increasing the drying air temperaturee3
Outcome
effective moisture diffusivity valuese3
Direction
increasede3
Value
5.018 x 10 -10 to 7.395 x 10 -10 m 2 /se3
Setting
vertical airflow batch dryinge3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Mangifera indica L.”

✓ located verbatim in the source · title, characters 46–65 · show in text ↑
e3

“By increasing the drying air temperature, the effective moisture diffusivity values increased from 5.018 x 10 -10 to 7.395 x 10 -10 m 2 /s for vertical airflow batch drying and from 3.698 x 10 -10 to 7.660 x 10 -10 m 2 /s for vertical countercurrent airflow drying”

✓ located verbatim in the source · abstract, characters 1042–1306 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Increasing drying air temperature increased effective moisture diffusivity from 3.698 x 10 -10 to 7.660 x 10 -10 m2/s in vertical countercurrent airflow drying.

Taxon
Mangifera indica L.Mangifera indicat0
Treatment
increasing the drying air temperaturee3
Outcome
effective moisture diffusivity valuese3
Direction
increasede3
Value
3.698 x 10 -10 to 7.660 x 10 -10 m 2 /se3
Setting
vertical countercurrent airflow dryinge3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Mangifera indica
Mangifera indica · TaxonBilljones94 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Mangifera indica L.”

✓ located verbatim in the source · title, characters 46–65 · show in text ↑
e3

“By increasing the drying air temperature, the effective moisture diffusivity values increased from 5.018 x 10 -10 to 7.395 x 10 -10 m 2 /s for vertical airflow batch drying and from 3.698 x 10 -10 to 7.660 x 10 -10 m 2 /s for vertical countercurrent airflow drying”

✓ located verbatim in the source · abstract, characters 1042–1306 · show in text ↑

processing · quality: general · Mangifera indica (mango)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

3 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. no effect
  3. positive

2 papers more in this group

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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.