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201297

MECHANICAL PROPERTIES FOR SOME VARIETIES OF OLIVE FRUITS

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Last updated: 22 Jan 2023

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Abstract

A study was carried out to determine some mechanical properties for fruits and pits of different olive varieties. The studied varieties included Coratina, Kronaki and Arab queen as oil producing varieties and Picual, Manzanillo and Watiken as duel purpose varieties. The investigated properties for olive fruits included coefficient of friction, repose angel and rolling angle. While hardness, shear force and shear stress were determined for pits. The results show that, the oil producing varieties showed lower friction coefficient in comparison with the duel purpose varieties. Also, the rubber surface recorded highest coefficient of friction followed by the galvanized iron and stainless steal surfaces. On the same time, the fruit repose angle not only affected by the surface roughness of fruits but also the shape and size of fruits as the fruit size increased, the repose angle increased. However, varieties of small size recorded lower rolling angle for all studied surfaces in comparison with varieties of large size. The results also show that, the pit crushing force, shear force, and shear stress were higher for the duel purpose varieties in comparison with the oil producing varieties.        

DOI

10.21608/jssae.2007.201297

Authors

First Name

A.M.

Last Name

Matouk

MiddleName

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Affiliation

Agric. Eng. Dept., Fac. of Agric., Mansoura Univ.

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Orcid

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First Name

M.M.

Last Name

EL-Kholy

MiddleName

-

Affiliation

Agric. Eng. Dept., Fac. of Agric., Mansoura Univ.

Email

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City

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Orcid

-

First Name

S.

Last Name

El-Khawaga

MiddleName

-

Affiliation

Agric. Eng. Res. Inst., A.R.C., Dokki. Giza

Email

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City

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Orcid

-

First Name

A.

Last Name

Tharwat

MiddleName

-

Affiliation

Agric. Eng. Dept., Fac. of Agric., Mansoura Univ.

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-

City

-

Orcid

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Volume

32

Article Issue

6

Related Issue

28396

Issue Date

2007-06-01

Receive Date

2007-06-26

Publish Date

2007-06-01

Page Start

4,565

Page End

4,574

Print ISSN

2090-3685

Online ISSN

2090-3766

Link

https://jssae.journals.ekb.eg/article_201297.html

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https://jssae.journals.ekb.eg/service?article_code=201297

Order

2

Type

Original Article

Type Code

889

Publication Type

Journal

Publication Title

Journal of Soil Sciences and Agricultural Engineering

Publication Link

https://jssae.journals.ekb.eg/

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Article

Created At

22 Jan 2023