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101227

Experimental Investigation of Heat and Mass Transfer during Convective Drying Process of Wood.

Article

Last updated: 04 Jan 2025

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Subjects

-

Tags

Mechanical Power Engineering

Abstract

Wood drying kiln is essentially an enclosed space where air velocity, temperature and humidity are controlled.  An experimental study is performed to describe the heat and mass transfer process in drying of wood using kiln. Experiments are conducted in a kiln dryer using rectangular shaped of wood for drying air temperatures of 50, 60, 70 and 75 oC, drying air velocities 1, 1.5, 2 and 3 m/s and wood thickness of 1, 2, 4 and 6 mm. In addition to, effect of sample types [hardwood (red oak) and softwood (beech pine and poplar)] are used.
The test rig of the present work has been examined and the obtained results are in a good agreement with available data in the previous works. The obtained experimental results of the present study are found in good trends with the corresponding previous results.  Experimental results show that the drying rate increase with the increasing of drying air temperature and drying air velocity but it decrease with the increasing of thickness. Also, it is found that the softwood is dry faster than the hardwood.

DOI

10.21608/bfemu.2020.101227

Keywords

convective drying, wood drying kiln, hardwood, softwood, heat transfer, mass transfer

Authors

First Name

L.

Last Name

Rabie

MiddleName

H.

Affiliation

Mechanical Power Engineering Department, Faculty of Engineering, Mansoura University, El-Mansoura 35516, Egypt

Email

lotfyrs@hotmail.com

City

-

Orcid

-

First Name

Ahmed

Last Name

Hegazi

MiddleName

A.

Affiliation

Mechanical Power Engineering Dept., Faculty of Engineering, Mansoura University, Mansoura, Egypt.

Email

ahmedabd-elsallam@gmail.com

City

-

Orcid

-

First Name

M.

Last Name

Elmetwally

MiddleName

S.

Affiliation

Mechanical Power Engineering Dept., Faculty of Engineering, Mansoura University, Mansoura, Egypt.

Email

eng.mo_sa38@yahoo.com

City

-

Orcid

-

Volume

40

Article Issue

2

Related Issue

15351

Issue Date

2015-06-01

Receive Date

2015-04-06

Publish Date

2020-07-07

Page Start

23

Page End

33

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 40_Issue 2_Pages 23-33.pdf

PDF . 1.3MB

Link

https://bfemu.journals.ekb.eg/article_101227.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=101227

Order

6

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

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

MainTitle

Experimental Investigation of Heat and Mass Transfer during Convective Drying Process of Wood.

Details

Type

Article

Created At

22 Jan 2023