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Aerospace
Special Issues
Advances in Aerodynamics and Thermal Management for Next-Generation Aero-Engines
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Advances in Aerodynamics and Thermal Management for Next-Generation Aero-Engines

A special issue of Aerospace (ISSN 2226-4310).

Deadline for manuscript submissions: 31 December 2026 | Viewed by 740

Special Issue Editors

Prof. Dr. Yu Rao

E-Mail Website
Guest Editor
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 201100, China
Interests: heat transfer; gas turbine cooling; aerodynamics; turbulent flow; heat exchanger
Special Issues, Collections and Topics in MDPI journals
Dr. Kirttayoth Yeranee

E-Mail Website
Guest Editor
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 201100, China
Interests: gas turbine cooling; heat transfer enhancement; computational fluid dynamics; topology optimization; triply periodic minimal surface

Special Issue Information

Dear Colleagues,

The rapid evolution of next-generation aero-engines demands breakthroughs in aerodynamics and thermal management to enhance performance, efficiency, and sustainability. This Special Issue focuses on cutting-edge advancements in these areas, addressing challenges such as high-temperature operation, cooling technologies, flow control, and energy-efficient designs. Topics of interest include innovative aerodynamic configurations, advanced cooling techniques such as effusion, double-wall, and transpiration, additive manufacturing-based heat exchangers, laminar flow control, and advanced computational fluid dynamics. Numerical and experimental studies exploring novel materials, optimization methods, and AI-driven design approaches are also encouraged.

We invite the submission of contributions that push the boundaries of aero-engine technology, offering solutions for reduced emissions, improved durability, and superior thermal efficiency. Both fundamental research and applied engineering studies, providing insights into the future of propulsion systems, are welcome.

Prof. Dr. Yu Rao
Dr. Kirttayoth Yeranee
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Aerospace is an international peer-reviewed open access monthly 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

  • aero-engine aerodynamics
  • thermal management
  • advanced cooling technologies
  • high-temperature materials
  • heat exchangers
  • flow control
  • additive manufacturing
  • computational fluid dynamics (CFD)
  • complex cooling structures
  • AI-driven design

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

27 pages, 5829 KB  
Article
Numerical Investigation of Thermal–Hydraulic–Structural Characteristics of Supercritical CO2 Wavy-Microchannel Heat Exchanger
by Xintong Wang, Yueliang Zhang, Yu Rao, Jun Hu and Kirttayoth Yeranee
Aerospace 2026, 13(3), 214; https://doi.org/10.3390/aerospace13030214 - 27 Feb 2026
Viewed by 377
Abstract
The supercritical carbon dioxide (SCO2) Brayton cycle presents a promising alternative to the traditional steam Rankine cycle, owing to its superior thermal efficiency, high power density, and compact design. As a key component governing system performance, the heat exchanger requires a [...] Read more.
The supercritical carbon dioxide (SCO2) Brayton cycle presents a promising alternative to the traditional steam Rankine cycle, owing to its superior thermal efficiency, high power density, and compact design. As a key component governing system performance, the heat exchanger requires a highly compact and efficient design. This study proposes a novel additively manufactured (AM) wavy microchannel heat exchanger that achieves a compactness of 1670 m2/m3. The design incorporates adaptive flow channels to accommodate SCO2’s density variation, along with wavy patterns and ribs to enhance thermal performance. A comprehensive fluid–thermal–mechanical coupling numerical analysis was conducted to evaluate its thermal–hydraulic and mechanical performance. Within the Reynolds number range of about 900–6000, the wavy structures improve the heat transfer rate by 21–58%, compared with the straight channel. The maximum effectiveness (ε = 0.66) occurs at a Reynolds number of 900. Compared with other heat exchangers used in the SCO2 cycle, the overall performance of the hot and cold channels has improved by 12–44% and 3–89%, respectively. Structural analysis confirms that the average total stress under operating conditions remains below the yield strength of the Inconel 617 material, with thermal stress being the dominant contributor. This work underscores the potential of the proposed AM heat exchanger to deliver a superior combination of compactness, thermal–hydraulic performance, and structural integrity for advanced SCO2 power cycles. Full article
(This article belongs to the Special Issue Advances in Aerodynamics and Thermal Management for Next-Generation Aero-Engines)
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