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Numerical investigations of transient flow behaviour in a shock tunnel

This work presents a computational study carried out to examine the velocity profile in high speed flow shock tunnel. A two-dimensional time accurate Navier-Stokes solver, which was programmed, based on the dimensions and configuration of a high speed test facility recently developed in Universiti T...

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Main Authors: Amir A.-F., Yusoff M.Z., Shuaib N.H., Ahmed D.I.
Other Authors: 15750212500
Format: Article
Published: EuroJournals, Inc. 2023
Subjects:
CFD
High speed flow
Shock tunnel
Shock wave velocity
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id my.uniten.dspace-29659
record_format dspace
spelling my.uniten.dspace-296592023-12-28T15:17:55Z Numerical investigations of transient flow behaviour in a shock tunnel Amir A.-F. Yusoff M.Z. Shuaib N.H. Ahmed D.I. 15750212500 7003976733 13907934500 35753100700 CFD High speed flow Shock tunnel Shock wave velocity This work presents a computational study carried out to examine the velocity profile in high speed flow shock tunnel. A two-dimensional time accurate Navier-Stokes solver, which was programmed, based on the dimensions and configuration of a high speed test facility recently developed in Universiti Tenaga Nasional (UNITEN), Malaysia was applied. The solver uses second order accurate cell-vertex finite volume spatial discretization and fourth-order accurate Runge-Kutta temporal integration. The characteristics of the flow process were investigated along the whole facility for a selected pressure ratio, whereby special attention was paid to investigate the velocity profile histories in three significant sections of the shock tunnel. The shock wave motion, reflection and interaction with the contact surface were investigated and their influence on the performance of the shock tunnel was determined. The results show that the shock wave speed is highly influenced by the pressure ratio between the driver and driven sections and by its location along the facility. Simulation results also show that the flow is symmetrical before shock reflection but becomes asymmetrical just after the shock reflection. The flow within the nozzle section was found to be in a steady-state condition for a few milliseconds. Final 2023-12-28T07:17:55Z 2023-12-28T07:17:55Z 2010 Article 2-s2.0-79960019708 https://www.scopus.com/inward/record.uri?eid=2-s2.0-79960019708&partnerID=40&md5=6f7b510c241570c299aa5c48046de52f https://irepository.uniten.edu.my/handle/123456789/29659 39 3 408 421 EuroJournals, Inc. Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
topic CFD
High speed flow
Shock tunnel
Shock wave velocity
spellingShingle CFD
High speed flow
Shock tunnel
Shock wave velocity
Amir A.-F.
Yusoff M.Z.
Shuaib N.H.
Ahmed D.I.
Numerical investigations of transient flow behaviour in a shock tunnel
description This work presents a computational study carried out to examine the velocity profile in high speed flow shock tunnel. A two-dimensional time accurate Navier-Stokes solver, which was programmed, based on the dimensions and configuration of a high speed test facility recently developed in Universiti Tenaga Nasional (UNITEN), Malaysia was applied. The solver uses second order accurate cell-vertex finite volume spatial discretization and fourth-order accurate Runge-Kutta temporal integration. The characteristics of the flow process were investigated along the whole facility for a selected pressure ratio, whereby special attention was paid to investigate the velocity profile histories in three significant sections of the shock tunnel. The shock wave motion, reflection and interaction with the contact surface were investigated and their influence on the performance of the shock tunnel was determined. The results show that the shock wave speed is highly influenced by the pressure ratio between the driver and driven sections and by its location along the facility. Simulation results also show that the flow is symmetrical before shock reflection but becomes asymmetrical just after the shock reflection. The flow within the nozzle section was found to be in a steady-state condition for a few milliseconds.
author2 15750212500
author_facet 15750212500
Amir A.-F.
Yusoff M.Z.
Shuaib N.H.
Ahmed D.I.
format Article
author Amir A.-F.
Yusoff M.Z.
Shuaib N.H.
Ahmed D.I.
author_sort Amir A.-F.
title Numerical investigations of transient flow behaviour in a shock tunnel
title_short Numerical investigations of transient flow behaviour in a shock tunnel
title_full Numerical investigations of transient flow behaviour in a shock tunnel
title_fullStr Numerical investigations of transient flow behaviour in a shock tunnel
title_full_unstemmed Numerical investigations of transient flow behaviour in a shock tunnel
title_sort numerical investigations of transient flow behaviour in a shock tunnel
publisher EuroJournals, Inc.
publishDate 2023
_version_ 1806426592479543296
score 13.222552

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