Instability and Transition of Compressible Flows

A special issue of Aerospace (ISSN 2226-4310). This special issue belongs to the section "Aeronautics".

Deadline for manuscript submissions: 28 February 2026 | Viewed by 405

Special Issue Editors


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Guest Editor
School of Aerospace Engineering, Tsinghua University, Beijing, China
Interests: flow stability, transition, turbulence modes, and aerodynamic issues in aviation engineering; turbulence mode theory; turbulence numerical simulation and application
Special Issues, Collections and Topics in MDPI journals
Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University, Hong Kong, China
Interests: high-speed flow stability and transition; nonlinear instability and mode–mode interaction; stability of shock wave/boundary layer interaction; transition control; direct numerical simulation

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Guest Editor
State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, China
Interests: hypersonic aerodynamics; high temperature gasdynamics; heat transfer; computational fluid dynamics; experimental fluid dynamics

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Guest Editor
School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China
Interests: high speed and supercritical flow; stability and transition; machine learning

Special Issue Information

Dear Colleagues,

Currently, the stability and transition of compressible flows receives extensive attention due to its significance in understanding the aerodynamics of aircrafts. State-of-the-art approaches have been increasingly developing in theoretical, computational, and experimental aspects. New physics and insights have been identified in recent years regarding the regime of compressible flows. For this Special Issue of Aerospace, we invite review and research articles on the following topics:

  • Stability and/or laminar–turbulent transition of the compressible boundary layer;
  • Stability and/or laminar–turbulent transition of shock wave/boundary layer interaction;
  • Stability and/or laminar–turbulent transition of shear layer and interfacial flow;
  • Stability and/or laminar–turbulent transition of non-ideal flow;
  • Stability and/or laminar–turbulent transition of the rarefied gas;
  • Theoretical, computational, or experimental methods regarding compressible flow stability and/or transition;
  • Aerodynamic performance considering flow stability and/or transition around vehicles;
  • Transition modeling;
  • All other research related to stability and/or transition of compressible flows.

We look forward to your submissions.

Prof. Dr. Song Fu
Dr. Peixu Guo
Dr. Guilai Han
Dr. Jie Ren
Guest Editors

Manuscript Submission Information

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Keywords

  • boundary layer stability and transition
  • stability of shock wave/boundary layer interaction
  • stability of compressible shear layer
  • stability of compressible interfacial flow
  • stability of non-ideal flow
  • stability of rarefied gas
  • methods for stability and transition
  • transition modeling

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Published Papers (1 paper)

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Research

19 pages, 6718 KiB  
Article
Investigation of the Effect of Vortex Generators on Flow Separation in a Supersonic Compressor Cascade
by Xi Gao, Zhiyuan Cao, Qinpeng Gu and Bo Liu
Aerospace 2025, 12(8), 692; https://doi.org/10.3390/aerospace12080692 - 31 Jul 2025
Viewed by 198
Abstract
The interaction between a shock wave and a boundary layer promotes corner separation and prevents performance enhancement in a supersonic compressor cascade. Different vortex generator (VG) designs are presented to control corner separation in a supersonic compressor cascade, including endwall VGs (EVG), suction [...] Read more.
The interaction between a shock wave and a boundary layer promotes corner separation and prevents performance enhancement in a supersonic compressor cascade. Different vortex generator (VG) designs are presented to control corner separation in a supersonic compressor cascade, including endwall VGs (EVG), suction surface VGs (SVG), and combined endwall and suction surface VGs (E-SVGs). It is demonstrated that EVG and coupled E-SVGs reduce losses in the supersonic compressor cascade. For an optimal EVG, the total loss is reduced by 24.6% and the endwall loss is reduced by 33.6%. The coupled E-SVG better controls corner separation and reduces endwall losses by 56.9%. The suppression mechanism is that vortices alter the direction of the separated flow, allowing it to overcome the chordwise pressure gradient. Moreover, the VGs change the shock structure near the endwall. For the EVG, clockwise vortices are effective in controlling corner separation due to their minor effect on the shock structure near the endwall. However, anticlockwise vortices are not suitable for controlling corner separation in the supersonic compressor because they increase the shock strength induced by the VG. The control mechanism of the coupled E-SVG on corner separation is also discussed. Full article
(This article belongs to the Special Issue Instability and Transition of Compressible Flows)
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