Impact Damage to Chickpea Seeds as Affected by Moisture Content and Impact Velocity

Shahbazi, Feizollah

doi:10.13031/2013.39557

Cited by 28 publications

(28 citation statements)

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“…Similar results about decreasing for mechanical damage of seeds by increasing their moisture content are reported for rapeseed and wheat by Szwed and Lukaszuk (), for wheat seed by Khazaei et al. () and for chickpea seed by Shahbazi (). With the increase of moisture content of lentil seed from 10% to 17.5%, the mean values of seeds damage in Figure decreased significantly from 100% to 76.2%, however, further increase in seed moisture content from 17.5% to 25%, did not show a significant increase.…”

Section: Resultssupporting

confidence: 85%

“…Mechanical damage to seeds due to impact have been studied by many researched such as on wheat seeds by Fraczek and Slipek () and Khazaei et al. (), on rape seed wheat kernels by Szwed and Lukaszuk (), on chickpea seed by Shahbazi (), on navy bean by Shahbazi et al. (), on pinto bean by Shahbazi et al.…”

Section: Introductionmentioning

confidence: 99%

“…Different impact damage assessment apparatus have been used by researchers to conduct impact tests on agricultural products such as fruits, grain and seeds. Mechanical damage to seeds due to impact have been studied by many researched such as on wheat seeds by Fraczek and Slipek (1998) and Khazaei et al (2008), on rape seed wheat kernels by Szwed and Lukaszuk (2007), on chickpea seed by Shahbazi (2011), on navy bean by Shahbazi et al (2011a), on pinto bean by Shahbazi et al (2011b) and on cowpea seeds by Shahbazi, Dolatshah, and Valizadeh (2014).…”

Section: Introductionmentioning

confidence: 99%

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Mechanical damage to green and red lentil seeds

Shahbazi

Valizade

Dowlatshah

2017

Food Science & Nutrition

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In this research, the breakage susceptibility of two classes of lentil (green and red) was evaluated as affected by impact energy and seed moisture content. The experiments were conducted at impact energies of 0.1, 0.2 and 0.3 J, and moisture contents of 10, 12.5, 15, 17.5, 20 and 25% (wet basis). Results showed that red lentil seeds had more breakage than green seeds and the difference in breakage percentage between green and red lentil seeds was significant at 0.01% level according to analysis of variance (p < .01). Percentage breakage of both green and red lentil seeds increased as the energy of impact increased. With increasing the seed moisture content of the both green and red lentils, the breakage percentage of seeds decreased. The average values of seeds breakage green and red lentil seeds varied from 100 to 67.7% and from 100 to 93.1%, respectively, as the seeds moisture content increased from 10 to 25%. The optimum seed moisture at which minimum damage was observed was 17.5% for green lentil and 15% for red lentil. Mathematical relationships composed of lentil seeds moisture content and energy of impact were developed for accurate description of the breakage percentage of green and red lentil seeds under impact loading.

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Section: Resultssupporting

confidence: 85%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mechanical damage to green and red lentil seeds

Shahbazi

Valizade

Dowlatshah

2017

Food Science & Nutrition

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“…Breakage susceptibility of seeds depends on a number factors, such as energy of impact, seed structural features, seed variety, seed moisture content, stage of ripeness, fertilization level and incorrect settings of the particular working subassemblies of the machines (Shahbazi, 2011;Shahbazi et al, 2011a). Among these factors, the seed moisture content and impact energy are important factors influencing the seed breakage.…”

Section: Introductionmentioning

confidence: 99%

“…During the last decade, various forms of multiple linear regression models have been widely considered to estimate the mechanical damage to seeds, based on the machine and crop parameters (Sosnowski & Kuzniar, 1999;Baryeh, 2002;Szwed & Lukaszuk, 2007;Khazaei, 2009;Shahbazi et al, 2001a, b;Shahbazi, 2011).…”

Section: Introductionmentioning

confidence: 99%

Crushing Susceptibility of Vetch Seeds Under Impact Loading

Shahbazi¹

2017

Cercetari Agronomice in Moldova

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Mechanical damage of seeds due to harvest, handling and other process is an important factor that affects the quality and quaintly of seeds. The objective of this research was to determine the effects of moisture content and the impact energy on the breakage susceptibility of vetch seeds. The experiments were conducted at moisture contents of 7.57 to 25% (wet basis) and at the impact energies of 0.1, 0.2 and 0.3 J, using an impact damage assessment device. The results showed that impact energy, moisture content, and the interaction effects of these two variables significantly influenced the percentage breakage in vetch seeds (p<0.01). Increasing the impact energy from 0.1 to 0.3 J caused a significant increase in the mean values of seeds breakage from 41.69 to 78.67%. It was found that the relation between vetch seeds moisture content and seeds breakage was non-linear, and the extent of damaged seeds decreased significantlyas a polynomial (from 92.47 to 33.56%) with increasing moisture (from 7.57 to 17.5%) and reached a minimum at moisture level of about 17.5%. Further increase in seed moisture, however, caused an increase in the amount of seeds breakage. Mathematical relationships composed of seed moisture content and impact energy, were developed for accurately description the percentage breakage of vetch seeds under impact loading. It was found that the models have provided satisfactory results over the whole set of values for the dependent variable.

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Effects of cushion box and closed let‐down ladder usage on impact damage to corn kernel during handling

Shahbazi

2022

Food Science & Nutrition

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The main purpose of this study was to evaluate the effects of the cushion box and closed let‐down ladder usage in minimizing mechanical damage to corn kernels during free fall. Kernels from a single lot of cultivar KSC 705 were evaluated for percentage of breakage using three drop methods (free fall, with cushion box, and with closed let‐down ladder) at five different moisture contents (10%, 15%, 20%, 25%, and 30%), and three drop heights (5, 10, and 15 m). The results showed that the drop methods had a significant effect on the breakage sensibility of kernels. Sample kernels dropped without a ladder (free fall) had a significantly higher average percentage breakage of 13.80%. In the use of the cushion box, the average kernel breakage was calculated to be 11.41%, which was decreased by about 17% more than the free fall. Sample kernels dropped with the closed let‐down ladder had a lower average breakage of 7.26%, which showed that the closed let‐down ladder significantly helped to reduce mechanical damage to corn kernels by about 47% comparing free fall and by about 37% than the use of the cushion box. The amounts of kernel damage increased significantly with increasing drop height and decreasing moisture content, but the use of the cushion box and closed let‐down ladder systems somewhat reduced the adverse effect of the above factors. To minimize mechanical damage to kernels as they fall into the bin, a grain let‐down ladder should be installed in the bin so that it can receive kernels from the filling spout with minimum damage. Empirical models were developed for the dependency of damage to corn kernels due to the impact caused by free fall on the drop height and moisture content at different drop methods.

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Impact Damage to Chickpea Seeds as Affected by Moisture Content and Impact Velocity

Cited by 28 publications

References 0 publications

Mechanical damage to green and red lentil seeds

Mechanical damage to green and red lentil seeds

Crushing Susceptibility of Vetch Seeds Under Impact Loading

Effects of cushion box and closed let‐down ladder usage on impact damage to corn kernel during handling

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