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106986

Theoretical Study of Affecting Parameters on Drying Process of Organic Materials.

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Last updated: 04 Jan 2025

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Mechanical Power Engineering

Abstract

Drying is considered one of the most complex processes encountered in engineering, the drying of porous materials has a vital role in many applications and industrial fields. Drying is process accompanied with a simultaneous heat and moisture transport within material and from its surface to the surroundings caused by a number of mechanisms. The moisture can be either transported to the surface of the material and then evaporated or evaporated internally at a liquid vapor interface and then transported as vapor to the surface. The transfer of heat depends on the air temperature, relative humidity, air flow rate, exposed area of material and pressure. The physical nature of material, including temperature, pore structure, and moisture content, governs the rate of moisture transfer. A numerical model is developed for simulating a convection drying process. The model incorporates mass and heat transfer relationships within the porous material, as well as the heat and mass transfer at the air solid interface of the material and drying medium. A computer program in FORTAN is developed to solve the two-dimensional coupled heat and mass transfer equations inside a porous material during the drying process. The model initially validated by comparing the numerical results with published results. This validated numerical model is used to investigate the effect of external conditions of the drying medium and internal conditions of the porous material. The numerical results if drying curves, heat and mass transfer coefficients in terms of Nusselt and Sherwood numbers are presented. In addition, the numerical predictions for average moisture content are in good and acceptable agreement with experiments.

DOI

10.21608/bfemu.2020.106986

Authors

First Name

M.

Last Name

Wassel

MiddleName

G.

Affiliation

Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

Email

-

City

Mansoura

Orcid

-

First Name

M.

Last Name

Mousa

MiddleName

G.

Affiliation

Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

Email

mgmousa@hotmail.com

City

Mansoura

Orcid

-

First Name

A.

Last Name

Fouda

MiddleName

-

Affiliation

Faculty of Engineering, Mansoura University, Mansoura, Egypt

Email

-

City

-

Orcid

-

First Name

M.

Last Name

Jehad

MiddleName

Gh.

Affiliation

Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

Email

-

City

Mansoura

Orcid

-

Volume

38

Article Issue

3

Related Issue

16051

Issue Date

2013-09-01

Receive Date

2013-08-10

Publish Date

2020-08-10

Page Start

24

Page End

39

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 38_Issue 3_Pages 24-39.pdf

PDF . 410.9kB

Link

https://bfemu.journals.ekb.eg/article_106986.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=106986

Order

11

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

Theoretical Study of Affecting Parameters on Drying Process of Organic Materials.

Details

Type

Article

Created At

22 Jan 2023