Numerical study on the standing morphology of an oblique detonation wave under the influence of an incoming boundary layer

• Authors: Jin Zhou , Yu Liu , Zhi-yong Lin
• Languages of publication: EN

Abstracts

EN

The influence of an incoming boundary layer to the standing morphology of an oblique detonation wave (ODW) induced by a compression ramp is numerically studied in this paper. The Spalart-Allmaras (SA) turbulence model is used to perform simulation of detonationboundary- layer interactions. Three different wall conditions are applied to realize control on the boundary-layer separation scales. Accordingly, different standing morphologies of the ODWs are obtained, including smooth ODW (without transverse wave) under no-slip, adiabatic wall condition with large-scale separation, abrupt ODW (with transverse wave) under no-slip, cold wall condition with moderate-scale separation, and bow-shaped detached ODW under slipwall condition without a boundary layer.

Keywords

EN

oblique detonation wave; standing; boundary layer; separation

Discipline

• 47.40.Rs: Detonation waves
• 82.40.Fp: Shock wave initiated reactions, high-pressure chemistry(see also 47.40.Nm Shock wave interactions and shock effects in fluid dynamics, and 62.50.Ef Shock wave effects in solids and liquids)
• 47.40.Ki: Supersonic and hypersonic flows

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2015
• Volume: 13
• Issue: 1

Dates

published

1 - 1 - 2015

received

1 - 4 - 2014

online

25 - 9 - 2014

accepted

28 - 7 - 2014

Contributors

author

Jin Zhou

• Science and Technology on Scramjet Laboratory, National University of Defense Technology, College of Aerospace Science and Engineering, National University of Defense Technology, 410073 Changsha, China

author

Yu Liu

• Science and Technology on Scramjet Laboratory, National University of Defense Technology, College of Aerospace Science and Engineering, National University of Defense Technology, 410073 Changsha, China

author

Zhi-yong Lin

• Science and Technology on Scramjet Laboratory, National University of Defense Technology, College of Aerospace Science and Engineering, National University of Defense Technology, 410073 Changsha, China

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Identifiers

DOI

10.1515/phys-2015-0007