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94695

THERMAL AND MECHANICAL ANALYSIS OF GRAIN STORAGE SILOS UNDER FORCED AERATION CONDITIONS USING ADVANCED MODELLING METHODS

Article

Last updated: 26 Dec 2024

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Agricultural Constructions Engineering

Abstract

The most important storage problems in wheat silos are heat and moisture accumulation and there are no early warning systems to know the occurrence of heat and humidity generation. Silo wall and bottom stresses changes are investigated to be suitable indicators for early warning and controlled aeration. Aeration is a popular tool, used to treat and modify the microclimate of grain bulk. A model silo with three horizontal and vertical load cells was constructed for heat and moisture transfer studying under the influence of three different airflow rates and patterns of aerations with three unlike heights of stored wheat during winter season of 2016 in the laboratory of Agricultural Process Engineering, Agricultural Engineering Department, Faculty of Agriculture, Kafrelsheikh University. The three vertical load cells were homogenously distributed to measure the stresses from the three longitudinal prism sections on bottom layer which provides information about mass transfers among longitudinal sections. As by same technique the horizontal load cells afford data about mass transfer among horizontal layers. For heat transfer monitoring, three vertical thermocouples were installed at equal heights. Storage quality indicators are temperature gradient among wheat layers and loads differences among longitudinal and horizontal sections, as the storage system keeps the temperature gradient and vertical loads differences to be at lower levels, and then the system has higher storage efficiency. 

DOI

10.21608/mjae.2019.94695

Keywords

Grain Silo, aeration system, response surface method and State Space Representation

Authors

First Name

S. E.

Last Name

Abdallah

MiddleName

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Affiliation

Prof., Agric. Eng. Dept., Fac. of Agric., Kafrelsheikh Univ., Egypt.

Email

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City

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Orcid

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First Name

W. M.

Last Name

Elmessery

MiddleName

-

Affiliation

Assoc. Prof., Agric. Eng. Dept., Fac. of Agric., Kafrelsheikh Univ., Egypt.

Email

-

City

-

Orcid

-

First Name

A. E.

Last Name

Sherif

MiddleName

-

Affiliation

M.Sc. Student, Agric. Eng. Dept., Fac. of Agric., Kafrelsheikh Univ., Egypt.

Email

-

City

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Orcid

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Volume

36

Article Issue

2

Related Issue

14281

Issue Date

2019-04-01

Receive Date

2020-06-09

Publish Date

2019-04-01

Page Start

689

Page End

722

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 36_Issue 2_Pages 689-722.pdf

PDF . 1.8MB

Link

https://mjae.journals.ekb.eg/article_94695.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=94695

Order

16

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

THERMAL AND MECHANICAL ANALYSIS OF GRAIN STORAGE SILOS UNDER FORCED AERATION CONDITIONS USING ADVANCED MODELLING METHODS

Details

Type

Article

Created At

23 Jan 2023