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158418

Heat Transfer Performance of a Two-Phase Closed Thermosyphon.

Article

Last updated: 22 Jan 2023

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Subjects

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Tags

Mechanical Power Engineering

Abstract

 An experimental investigation has been made in order to study the heat transfer performance of a two-phase closed thermosyphon tube. A smooth copper tube of total length 1500 mm and 21 nun inside diameter is used as a container of the thermosyphon. Each of the evaporator section and the condenser section has a length of 600 mm, while the remaining part of the thermosyphon tube is the adiabatic section. The working fluid used is R22. The effects of heat transfer rate (100 W ≤Q≤ 300 W), filling percentage (30≤%v+≤100%) and the inclination angle of the thermosyphon (22.5°≤θ≤90) are studied. It is found that, the optimum filling percentage and the best inclination angle values are 50% and 30°, respectively. The overall heat transfer coefficient ratio (U/U90) has been correlated in a dimensionless form as a function of Kutateladze number, filling ratio, inclination angle, and reduced pressure ratio. 

DOI

10.21608/bfemu.2021.158418

Authors

First Name

M.

Last Name

Shalaby

MiddleName

A.

Affiliation

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

Email

m.25jan@yahoo.com

City

Mansoura

Orcid

-

First Name

F.

Last Name

Araid

MiddleName

F.

Affiliation

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

Email

-

City

Mansoura

Orcid

-

First Name

Gamal

Last Name

Sultan

MiddleName

Ibrahim Ahmed

Affiliation

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

Email

gisultan@mum.mans.eun.eg

City

Mansoura

Orcid

-

First Name

Mohamed

Last Name

Awad

MiddleName

Mahmoud Moustafa

Affiliation

Assistant Professor., Mechanical Power Engineering Department., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

Email

m_m_awad@mans.edu.eg

City

Mansoura

Orcid

-

Volume

25

Article Issue

2

Related Issue

21254

Issue Date

2000-06-01

Receive Date

2000-04-11

Publish Date

2021-03-22

Page Start

35

Page End

45

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 25_Issue 2_Pages 35-45.pdf

PDF . 361.8kB

Link

https://bfemu.journals.ekb.eg/article_158418.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=158418

Order

21

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

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

MainTitle

-

Details

Type

Article

Created At

22 Jan 2023