Physical Properties of Filbert Nut and Kernel

Pliestić, Stjepan; Dobričević, Nadica; Filipović, Davor; Gospodarić, Zlatko

doi:10.1016/j.biosystemseng.2005.11.008

Cited by 34 publications

(35 citation statements)

References 14 publications

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“…The effects of the moisture content and plywood friction surface on the static and dynamic coefficients of friction were significant for the shelled walnuts (P < 0.05). Similar results were found by others (Pliestic et al 2006;Aydın 2006).…”

Section: Static and Dynamic Coefficient Of Frictionsupporting

confidence: 92%

“…Similar trends have also been reported by Gezer et al (2003) for apricot pit and kernel, by Aydın (2002) for hazelnut and kernel, by Aydın (2003) for almond nut and kernel, by Pliestic et al (2006) for filbert nut and kernel, and by Aydın (2006) for peanut and kernel..…”

Section: Projected Areasupporting

confidence: 82%

“…The negative linear relationships between true density and the moisture content have also been reported by Pliestic et al (2006) for filbert nut and kernel, by Aydin (2002) for hazelnut and kernel, and by Akar and Aydın (2005) for gumbo fruit, respectively.…”

Section: True Densitysupporting

confidence: 63%

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Physical properties of shelled and kernel walnuts as affected by the moisture content

Altuntaş¹,

Erkol²

2010

Czech J. Food Sci.

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Altuntas E., Erkol M. (2010): Physical properties of shelled and kernel walnuts as affected by the moisture content. Czech J. Food Sci., 28: 547-556.The variations in physical properties such as the size dimensions, unit mass, sphericity, projected area, bulk density, true density, volume, coefficient of friction on various surfaces, and terminal velocity of shelled and kernel walnuts as a function of the moisture content were determined. With an increase in the moisture content, the sphericity, projected area, bulk density, volume, and porosity of shelled and kernel walnuts increased, whereas the true density linearly decreased. Studies on rewetted walnuts showed that the terminal velocity increased from 14.17 m/s to 15.50 m/s, and from 12.60 m/s to 14.35 m/s, for shelled and kernel walnuts, respectively. The static and dynamic coefficients of friction of shelled and kernel walnuts on chipboard and plywood surfaces also increased linearly with an increase in the moisture content.

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Section: Static and Dynamic Coefficient Of Frictionsupporting

confidence: 92%

Section: Projected Areasupporting

confidence: 82%

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Physical properties of shelled and kernel walnuts as affected by the moisture content

Altuntaş¹,

Erkol²

2010

Czech J. Food Sci.

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“…'Furfulak' produced significantly higher nut weight and thickness, whereas lower these values were found for 'ID'. Pliestic et al [2006] reported that length, width and thickness of 'ID' were higher than those obtained in the present study, suggested that environmental conditions and cultural practices play a major role on fruit dimensions, as previously reported [Balta et al 2006]. Wide variations regarding nut dimensions were previously found by many authors Đslam 1999, Aydin 2002].…”

Section: Nut and Kernel Physical And Sensorial Propertiessupporting

confidence: 77%

“…To optimize the threshing performance, its physical properties must be known [Aydin 2002]. Also, the physical properties of nuts and kernels, like those of other grains and seeds, are essential for the designing of equipment for handling, harvesting, processing and storing the nuts, or determining the behavior of the nut for its handling [Pliestic et al 2006].…”

Section: Introductionmentioning

confidence: 99%

Determination of Size and Shape Features of Hazelnuts Using Multivariate Analysis

Milošević¹,

Milošević²

2017

Acta Sci. Pol. Hortorum Cultus

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Nut and kernel size, shape and some sensorial traits in ten hazelnut (Corylus avellana L.) cultivars were evaluated using an objective procedure based on multivariate analysis in order to obtain an important value of these cultivars for growers, processing and consumers. Cultivars were compared with nuts and kernels of C. avellana L. and C. colurna L. Significant differences in all physical properties were found among the cultivars, and also among cultivars and hazelnut species. A high correlation was found among some hazelnut traits. Cluster and principal component analysis supported results obtained by analysis of variance, and segregated genotypes in similar groups according to their characteristics evaluated. Procedure described may be useful in analyzing impacts of genotype per se on nut and kernel physical and sensorial properties, and also determine the factors for growers, breeders, especially for harvesting, sorting and other postharvest operations in order to establish optimal machine and equipment design.

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Reverse engineering approach for precise measurement of the physical attributes related to the geometric features of agricultural products

2016

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The irregular shape of most agricultural products complicates their physical and engineering analysis. Therefore, precise description of the irregular product geometric surface form/shape is significant for any related analyses used in both product quality evaluation and design of agricultural machinery systems. This study describes a reverse engineering application procedure for precise description of the physical attributes related to geometric features (size, shape, volume etc.) of the agricultural products under consideration. In the study, a three-dimensional (3D) laser scanner has been utilised and 3D digital model data of the selected sample agricultural product (Pecan Fruit) processed in the virtual environment through 3D scanner software and 3D parametric solid modelling design software has been collected. After 3D solid models were created, some of the physical attributes related to geometric features of the agricultural products were measured precisely and realistic virtual 3D computer aided design (CAD) data was provided for deeper rheological investigation such as structural deformation, fluid dynamics (flow) and heat transfer analyses of the products by means of computer aided engineering (CAE) techniques. Finally, a comparative deformation simulation case study was concluded. This study contributes to further research into the development of agricultural machinery and equipment through the utilisation of reverse engineering and CAD tools.

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Physical Properties of Filbert Nut and Kernel

Cited by 34 publications

References 14 publications

Physical properties of shelled and kernel walnuts as affected by the moisture content

Physical properties of shelled and kernel walnuts as affected by the moisture content

Determination of Size and Shape Features of Hazelnuts Using Multivariate Analysis

Reverse engineering approach for precise measurement of the physical attributes related to the geometric features of agricultural products

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