Effects of moisture content on some physical properties of the yellow lentil

Işık, Esra; İzli, Nazmi

doi:10.1501/tarimbil_0000001389

Tarım Bilimleri Dergisi

2016

DOI: 10.1501/tarimbil_0000001389

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Effects of moisture content on some physical properties of the yellow lentil

Esra Işık

Nazmi İzli

Abstract: This research focuses on yellow lentil seeds and determining the effects of moisture content on some of their physical properties. The various types of machinery used in gathering crops, processing, shipping, categorizing, sorting, and packaging are designed according to the physical properties of the specific crops. When the moisture content increased from 15.6% to 22.5% d.b., the bulk density decreased from 750.27 to 625 kg m -3 , the true density increased from 1200.5 to 1334 kg m -3, and the rupture force … Show more

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Cited by 5 publications

References 29 publications

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Engineering properties of Cassia tora L. seeds and meal as a function of moisture content

Peng

Fang

Xiang

et al. 2022

Sci Rep

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Engineering properties are of great importance for Cassia tora L. seeds in aspects of harvesting, handling mechanical design and product processing. The effect of moisture content (7, 10, 13, 16 and 19%) (wet basis) on the properties: physical (length, width, bulk and true density, porosity, thousand seeds mass, coefficient of static friction and angle of repose), mechanical (hardness, fragmentation energy and failure deformations), and thermal (specific heat, thermal conductivity and thermal diffusivity), were systematically studied. As the moisture contents increase from 7 to 19%, the length (L) increased from 4.52 to 5.87 mm, the thickness (T) from 2.51 to 3.21 mm and the width (W) from 2.36 to 3.02 mm, respectively. The bulk and true density of Cassia tora L. seeds decreased from 775.83 to 654.17 kg/m3 and from 1295.21 to 1154.72 kg/m3, respectively, with the moisture content raised from 7 to 19%. The thermal conductivity of Cassia tora L. seeds meal was found to be 0.068–0.098 W m−1 K−1, 0.078–0.112 W m−1 K−1, 0.089–0.125 W m−1 K−1, 0.098–0.136 W m−1 K−1, 0.108–0.148 W m−1 K−1, 0.119–0.159 W m−1 K−1, respectively, at 25 °C, 45 °C, 65 °C, 85 °C, 105 °C and 125 °C in moisture ranges of 7–19%. The thermal diffusivity was found to decrease from 5.21 × 10–8 to 4.53 × 10–8 m2/s, from 5.75 × 10–8 to 4.91 × 10–8 m2/s, from 6.11 × 10–8 to 5.17 × 10–8 m2/s, from 6.52 × 10–8 to 5.36 × 10–8 m2/s, from 7.17 × 10–8 to 5.77 × 10–8 m2/s, from 7.36 × 10–8 to 5.84 × 10–8 m2/s, respectively, at 25 °C, 45 °C, 65 °C, 85 °C, 105 °C and 125 °C in moisture ranges of 7–19%. The results suggested that physical properties exhibited linear relationships with moisture content using the regression model, while mechanical properties showed a second-order polynomial relationship with moisture content. Furthermore, significant variation existed in thermal properties because of differentiate moisture content and temperature. These data and rules are also useful for high efficiency machines design and mechanisms development.

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Engineering properties of Cassia tora L. seeds and meal as a function of moisture content

Peng

Fang

Xiang

et al. 2022

Sci Rep

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Some physical properties of lentil seeds affected by harvest time

Gürsoy¹

2020

AST

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The physical properties and the hardness of lentil seeds, which can also be affected by harvest times, are very important variables in the designing and adjustment of machineries used during harvest, handling and other processes. The objective of this study is to determine the effects of different harvest times on some physical and mechanical properties of lentil seeds. A field experiment was conducted at six harvest times including the harvesting at physiological maturity (H1) and 5, 10, 15, 20 and 25 days after physiological maturity (H2, H3, H4, H5 and H6, respectively). The variables determined were moisture content, diameter, thickness, sphericity, seed mass, bulk density, true density, porosity and hardness of lentil seeds. It was found that seed moisture content, seed dimensions, seed mass and bulk density decreased with delayed harvest time. However, sphericity, true density, porosity and hardness of lentil seeds increased with increased harvest time.

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Determination of Pneumatic Conveying Characteristics of Canola

Özlü¹,

Güner²

2021

Tarım Bilimleri Dergisi

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Effects of moisture content on some physical properties of the yellow lentil

Cited by 5 publications

References 29 publications

Engineering properties of Cassia tora L. seeds and meal as a function of moisture content

Engineering properties of Cassia tora L. seeds and meal as a function of moisture content

Some physical properties of lentil seeds affected by harvest time

Determination of Pneumatic Conveying Characteristics of Canola

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