High Speed Aircraft and Engine Design

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

Deadline for manuscript submissions: 31 May 2026 | Viewed by 2683

Special Issue Editors


E-Mail Website
Guest Editor
School of Aerospace Engineering, Xiamen University, Xiamen 361005, China
Interests: supersonic aerodynamic design
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: multi-fidelity simulation of aircraft/engine integration; combined-cycle engine performance analysis

Special Issue Information

Dear Colleagues,

High-speed travel is attracting a large amount of attention globally and necessitates great efforts to improve the design technology. From the resurgence of commercial supersonic airliners to the rise of novel propulsion systems like pulse detonation and scramjet engines, this field is experiencing an unprecedented wave of innovation. This Special Issue entitled “High Speed Aircraft and Engine Design” aims to serve as a platform for these cutting-edge developments and the most advanced research. It will focus on critical scientific and technological challenges in high-speed flight vehicles and their propulsion systems, covering, but not limited to, the following key directions:

  • High-Speed Aerodynamics and Thermal Management: Shockwave control, high-temperature materials, active cooling technologies, and waverider optimization.
  • Next-Generation Propulsion Systems: Variable-cycle engines, detonation engines, and combined-cycle propulsion systems.
  • Smart Aviation and Digital Engineering: AI-driven aerodynamic optimization, digital twins, autonomous flight control, and multidisciplinary co-design.
  • Green High-Speed Flight: Sustainable aviation fuels, low-emission combustion technologies, and noise suppression.
  • Extreme Environmental Adaptability: Long-duration high-temperature structures, dynamic load prediction, and reliability and safety at high Mach numbers.

The Special Issue will integrate groundbreaking advances in fluid dynamics, materials science, energy propulsion, and control engineering to promote interdisciplinary research. We welcome original research articles, reviews, technical briefs, and reports on high-speed aircraft and engine design. Internationally renowned scholars will be engaged in the peer review process to ensure academic rigour and impact, as well as rapid publication.

Prof. Dr. Chengxiang Zhu
Dr. Jun Liu
Guest Editors

Manuscript Submission Information

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Keywords

  • high-speed aerodynamics
  • propulsion systems
  • high-speed flight

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Published Papers (3 papers)

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Research

20 pages, 2926 KB  
Article
Quasi-One-Dimensional Reacting-Flow Modeling for Rocket-Based Combined Cycle Engines
by Jung Jin Park, Sang Gon Lee, Sang Won Lim and Sang Hun Kang
Aerospace 2026, 13(4), 380; https://doi.org/10.3390/aerospace13040380 - 17 Apr 2026
Viewed by 401
Abstract
A rapid quasi-one-dimensional (quasi-1D) reacting-flow analysis code was developed for the preliminary assessment of rocket-based combined cycle engines over a broad flight envelope. The internal flow was modeled as steady and quasi-1D in a variable-area duct by solving the coupled conservation equations together [...] Read more.
A rapid quasi-one-dimensional (quasi-1D) reacting-flow analysis code was developed for the preliminary assessment of rocket-based combined cycle engines over a broad flight envelope. The internal flow was modeled as steady and quasi-1D in a variable-area duct by solving the coupled conservation equations together with species transport, and finite-rate chemical kinetics were included to represent combustion-induced heat release and composition change. To incorporate configuration-dependent mixing effects that affect RBCC heat release evolution and thermal choking tendencies, a streamwise mixing efficiency distribution was extracted from non-reacting 3D CFD and prescribed as an input to the quasi-1D formulation to represent the progressive availability of reactable fuel along the flowpath. A mode-dependent solution strategy was established by separating the computation into scramjet mode and ramjet mode procedures with a switching criterion based on whether a sonic condition occurs within the combustor, allowing thermal choking and mode transition behavior to be addressed within a single framework. The numerical solver was implemented in Python 3.12.2 and integrated using a stiff ordinary differential equation (ODE) scheme to ensure robust convergence in the presence of reaction-induced stiffness. Verification against previously published hydrogen-fueled scramjet results reproduced the overall streamwise trends of key quantities including Mach number, pressure, temperature, and density. The developed code was then applied to an RBCC configuration under operating conditions representative of ERJ and ESJ regimes, and the quasi-1D predictions were compared with cross-section-averaged 3D RANS CFD results, showing consistent mode identification and comparable axial behavior at a level suitable for preliminary analysis with substantially reduced computational cost. Full article
(This article belongs to the Special Issue High Speed Aircraft and Engine Design)
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22 pages, 12940 KB  
Article
Research on Quasi-One-Dimensional Ejector Model
by Jinfan Chen, Kaifeng He, Jianqiang Zhang and Guoliang Wang
Aerospace 2025, 12(10), 882; https://doi.org/10.3390/aerospace12100882 - 29 Sep 2025
Viewed by 830
Abstract
A new quasi-one-dimensional ejector model for the prediction of ejector performance is carried out, which is based on the theory of ideal gas expansion and free layer development. The model is proposed for calculation of the variable area bypass injector (VABI) and ejector [...] Read more.
A new quasi-one-dimensional ejector model for the prediction of ejector performance is carried out, which is based on the theory of ideal gas expansion and free layer development. The model is proposed for calculation of the variable area bypass injector (VABI) and ejector nozzle in the variable cycle engine (VCE), both at the design point and off-design point. The internal structure of ejector nozzle is determined based on an analysis of the flow field of the 2D ejector nozzle Computational Fluid Dynamics (CFD) result. The flow during the expansion section is divided into three parts: primary flow, secondary flow, and mixed layer flow. Combined with the growth rate of mixing layer thickness, the calculation methods of ejector nozzle exit parameters under critical working conditions and blocking working conditions are given, and the calculated results demonstrate a strong consistency with CFD results, maintaining relative errors below 3%. This method is used to evaluate the ejector nozzle capacity quickly in the overall design stage, which provides theoretical support for the design of the main bypass system of a variable cycle engine. Full article
(This article belongs to the Special Issue High Speed Aircraft and Engine Design)
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18 pages, 6733 KB  
Article
Experiment and Numerical Investigation of a Forebody Design Method for Inward-Turning Inlet
by Dezhuang Yang, Jun Liu, Tianlai Gu and Huacheng Yuan
Aerospace 2025, 12(9), 763; https://doi.org/10.3390/aerospace12090763 - 26 Aug 2025
Viewed by 952
Abstract
The integration of three-dimensional inward-turning inlets with airframes has broad application prospects. This paper develops an integrated design method for the inlet forebody with a controllable incident shock wave shape, aiming at the three-dimensional inward-turning inlet with a circular entrance, and it is [...] Read more.
The integration of three-dimensional inward-turning inlets with airframes has broad application prospects. This paper develops an integrated design method for the inlet forebody with a controllable incident shock wave shape, aiming at the three-dimensional inward-turning inlet with a circular entrance, and it is applied to the forebody design of a given inward-turning inlet to obtain a three-dimensional inward-turning inlet/forebody matching scheme. Numerical simulation and wind tunnel experiment were carried out to investigate the aerodynamic performance of the inlet. The results show that the inlet/forebody matching scheme successfully realizes both geometric and aerodynamic matching between the inlet and forebody, resulting in a shock-on-lip condition at the design point, with only a 2% reduction in mass flow rate. This indicates that the forebody design and matching method are highly effective. It should be noted that after the forebody matching is achieved, the overall compression effect of the inlet on the airflow is weakened, and both the Mach number and total pressure at the inlet outlet increase slightly. Full article
(This article belongs to the Special Issue High Speed Aircraft and Engine Design)
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