Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study

This paper describes numerical simulation of transient flow conditions in shock tube. A two dimensional time accurate Navier-Stokes CFD solver for shock tube applications is developed to perform the numerical investigations. The solver was developed based on the dimensions of a newly built short-dur...

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Main Authors: Amir A.-F., Yusoff M.Z., Shuaib N.H., Yusaf T.
Other Authors: 15750212500
Format: Article
Published: EuroJournals, Inc. 2023
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author Amir A.-F.
Yusoff M.Z.
Shuaib N.H.
Yusaf T.
author2 15750212500
author_facet 15750212500
Amir A.-F.
Yusoff M.Z.
Shuaib N.H.
Yusaf T.
author_sort Amir A.-F.
building UNITEN Library
collection Institutional Repository
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
continent Asia
country Malaysia
description This paper describes numerical simulation of transient flow conditions in shock tube. A two dimensional time accurate Navier-Stokes CFD solver for shock tube applications is developed to perform the numerical investigations. The solver was developed based on the dimensions of a newly built short-duration high speed flow test facility at Universiti Tenaga Nasional "UNITEN" in Malaysia. The facility has been designed, built, and commissioned in such a way so that it can be used as a free piston compressor, shock tube, shock tunnel and gun tunnel interchangeably. Different values of diaphragm pressure ratios P4/P1 are applicable in order to get wide range of Mach number. In this paper, in order to obtain better understanding of the processes involved, CFD simulations were performed for selected cases and the results are analyzed in details. The shock wave motion was traced and in order to investigate the flow stability, details two dimensional effects were investigated. It was observed that the flow becomes unstable due to shock wave-boundary layer-contact surface interactions after shock reflected off the tube end. � EuroJournals Publishing, Inc. 2009.
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institution Universiti Tenaga Nasional
publishDate 2023
publisher EuroJournals, Inc.
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spelling my.uniten.dspace-296892023-12-28T15:30:47Z Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study Amir A.-F. Yusoff M.Z. Shuaib N.H. Yusaf T. 15750212500 7003976733 13907934500 23112065900 Boundary layer CFD Contact surface Shock tube Shock wave This paper describes numerical simulation of transient flow conditions in shock tube. A two dimensional time accurate Navier-Stokes CFD solver for shock tube applications is developed to perform the numerical investigations. The solver was developed based on the dimensions of a newly built short-duration high speed flow test facility at Universiti Tenaga Nasional "UNITEN" in Malaysia. The facility has been designed, built, and commissioned in such a way so that it can be used as a free piston compressor, shock tube, shock tunnel and gun tunnel interchangeably. Different values of diaphragm pressure ratios P4/P1 are applicable in order to get wide range of Mach number. In this paper, in order to obtain better understanding of the processes involved, CFD simulations were performed for selected cases and the results are analyzed in details. The shock wave motion was traced and in order to investigate the flow stability, details two dimensional effects were investigated. It was observed that the flow becomes unstable due to shock wave-boundary layer-contact surface interactions after shock reflected off the tube end. � EuroJournals Publishing, Inc. 2009. Final 2023-12-28T07:30:47Z 2023-12-28T07:30:47Z 2009 Article 2-s2.0-67449163816 https://www.scopus.com/inward/record.uri?eid=2-s2.0-67449163816&partnerID=40&md5=1de617207a39911f34b847e6d9959bf3 https://irepository.uniten.edu.my/handle/123456789/29689 30 1 164 176 EuroJournals, Inc. Scopus
spellingShingle Boundary layer
CFD
Contact surface
Shock tube
Shock wave
Amir A.-F.
Yusoff M.Z.
Shuaib N.H.
Yusaf T.
Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
title Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
title_full Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
title_fullStr Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
title_full_unstemmed Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
title_short Flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
title_sort flow instability in shock tube due to shock wave-boundary layer-contact surface interactions, a numerical study
topic Boundary layer
CFD
Contact surface
Shock tube
Shock wave
url_provider http://dspace.uniten.edu.my/