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Aerodynamic Design and Analysis of Turbomachinery

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 20 November 2026 | Viewed by 629

Editors


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Guest Editor
School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: compressor aerodynamics; flow control

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Guest Editor
School of Aeronautics and Astronautics, Zhejiang University, Hangzhou 310027, China
Interests: fictitious domain methods; numerical methods; particle-laden flows; turbulent flows; fluid–structure interaction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The aerodynamic design and analysis of turbomachinery—found in jet engines, gas turbines, and wind turbines—underpin the performance, sustainability, and reliability of modern energy systems. Enhancing aerodynamic efficiency, even marginally, directly translates to reduced fuel consumption, lower CO₂ emissions, and extended lifespans of critical infrastructure. However, challenges like unstable flows, blade losses, and adaptive geometry optimization under extreme operating conditions demand innovative solutions. Traditional computational tools and experimental methods often struggle to resolve multi-scale turbulence, transient phenomena, or real-time adaptability, limiting progress toward decarbonization and operational resilience.

Recent breakthroughs in artificial intelligence (AI) and computational fluid dynamics (CFD) are revolutionizing turbomachinery design. Advanced CFD solvers now capture transient behaviors like surge and tip-vortex shedding, while AI-driven frameworks—such as physics-informed neural networks (PINNs) and reinforcement learning (RL)—enable rapid exploration of design spaces once deemed intractable. These tools address critical gaps. This Special Issue seeks interdisciplinary research that synergizes these advances with experimental insights to push the boundaries of sustainability and efficiency in energy conversion systems.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. Advanced Aerodynamic Design Methodologies: Inverse design, topology optimization, and generative algorithms for blades.
  2. Unstable Flow Phenomena: Separation control, surge prediction, and active/passive flow stabilization in compressors/expanders.
  3. AI-Driven Optimization and Predictive Analytics: Reinforcement learning for real-time flow control, surrogate modeling for design space exploration, and physics-informed neural networks (PINNs).
  4. Sustainability and Green Energy Integration: Emission reduction via aerodynamic shaping, hybrid propulsion systems, and wind turbine wake management.

We look forward to receiving your contributions.

Dr. Mingmin Zhu
Prof. Dr. Zhaosheng Yu
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aerodynamic design
  • turbomachinery
  • CFD
  • unstable flow
  • AI optimization
  • machine learning
  • sustainability
  • wind energy
  • noise suppression
  • flow control

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Published Papers (1 paper)

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Research

27 pages, 7073 KB  
Article
Effects and Flow Control Mechanism of Synthetic Jets in a Transonic Axial Compressor
by Qishuai Wang and Guangyao An
Appl. Sci. 2026, 16(11), 5447; https://doi.org/10.3390/app16115447 - 30 May 2026
Viewed by 326
Abstract
To address flow instability induced by tip leakage vortex breakdown in high thrust-to-weight ratio aero-engine compressors, this study conducts numerical investigations into the DTR transonic compressor rotor. The unsteady evolution of the tip leakage vortex and the corresponding stall inception mechanism under near-stall [...] Read more.
To address flow instability induced by tip leakage vortex breakdown in high thrust-to-weight ratio aero-engine compressors, this study conducts numerical investigations into the DTR transonic compressor rotor. The unsteady evolution of the tip leakage vortex and the corresponding stall inception mechanism under near-stall conditions are revealed. Active flow control using single-slot and dual-slot endwall synthetic jets is further explored. Results show that an optimized single synthetic jet slot improves the compressor stability margin by 11.24% and design-point efficiency by 0.57%. To address the flow instability on this, synergistic excitation using two slots positioned at 25% and 50% axial chord length further suppresses leakage vortex breakdown and passage blockage, raising the stability margin by an additional 13.68% and efficiency by 0.72% compared to the optimal single-slot configuration. For the baseline compressor under near-stall conditions, tip leakage vortex breakdown occurs near 25% axial chord, causing severe flow deterioration. With synthetic jet actuation, low-energy fluid at the tip is blown away or sucked out, delaying vortex breakdown and reducing flow losses, thereby enhancing stability without compromising aerodynamic efficiency. The underlying mechanism is that, during the blowing phase, the jet splits the large-scale leakage vortex and removes the low-energy blockage region; during the suction phase, it extracts the fluid trapped in the tip clearance, preventing re-accumulation of low-energy fluid. These findings provide theoretical guidance for stall suppression and high-performance design of transonic compressors. Full article
(This article belongs to the Special Issue Aerodynamic Design and Analysis of Turbomachinery)
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