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160741

Different Design Aspects of Swirl Jet Using Vortex Generating Jets.

Article

Last updated: 22 Jan 2023

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Tags

Mechanical Power Engineering

Abstract

Longitudinal streamwise vortices produced by the interaction of simple round jets with peripheral jets affecting turbulent boundary layer were investigated experimentally. The peripheral jets are used as Swirl Generator Jets (SGJ) for controlling main jets. These jets (SGJ)were pitched up with injection inclination angle of zero, 45 and 90 degree to the tangent direction of the main jet. The ratio of peripheral jet velocity to the free main jet velocity (VR=Ci/Cm) is considered in the range of 0.8 to 1.2 . The comparison of different conditions showed that the vortices produced in the jets are completely controlled by SGJs injection angle and intensity.
Increasing the injection angle was found to increases the growth rate of the main jet.
Image analysis also gave average spatial information about the mass entrainment through the swirl jet. Results of flow visualizations and quantitative measurements are strongly resemble each other.

DOI

10.21608/bfemu.2021.160741

Authors

First Name

Nabil

Last Name

Moustafa

MiddleName

Hassan

Affiliation

Professor of Mechanical Power Engineering, Virginia Polytechnic Institute and State University.

Email

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City

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Orcid

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First Name

U.

Last Name

Vandsburger

MiddleName

-

Affiliation

Assistant Professor of Mechanical Power Engineering, Virginia Polytechnic Institute and State University.

Email

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City

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Orcid

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Volume

20

Article Issue

1

Related Issue

23470

Issue Date

1995-03-01

Receive Date

1995-01-11

Publish Date

2020-03-01

Page Start

63

Page End

78

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 20_Issue 1_Pages 63-78.pdf

PDF . 691.9kB

Link

https://bfemu.journals.ekb.eg/article_160741.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=160741

Order

13

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

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

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Article

Created At

22 Jan 2023