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1. Analytical Characterization of Low-Frequency Instabilities in a Simple Duct System NSTL国家科技图书文献中心

Burinthorn Suksupaet |  Daesik Kim -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(1) - 186~195 - 共10页

摘要:Low-frequency bulk instabilities are prevalent |  phenomena encountered in various combustion systems |  including laminar burners, gas turbine combustors, rockets | , and ramjets. These instabilities, known as bulk or |  Helmholtz instabilities, are pronounced in combustors with
关键词: Helmholtz mode |  1D analytical acoustic |  Simple duct system |  Combustion instability

2. Research on Virtual Prototype and Digital Test Method of Pump-Fed Propulsion System NSTL国家科技图书文献中心

Xiaopu Zhang |  Yang Li... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(2) - 815~833 - 共19页

摘要:Regarding the difficulty in designing the |  complex propulsion system, research on the virtual |  prototype and digital testing methods of the pump-fed |  propulsion system was carried out. A set of generalized |  mathematical models of the propulsion system was built based
关键词: Propulsion system |  Liquid rocket engine |  System simulation |  Model calibration |  Surrogate model |  Uncertainty quantification

3. Reduced-Order Sliding Mode Observer-Based Backstepping Integral Logarithmic Sliding Mode Control: Application to Wing Aeroelastic System NSTL国家科技图书文献中心

Ahmad Mahmood |  Fazal ur Rehman... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(2) - 650~661 - 共12页

摘要:The suppression of limit cycle oscillations |  generated by the interplay of structure, inertia, and |  aerodynamics in a wing aeroelastic system is investigated in |  this paper. To estimate the plunge rate in wing |  aeroelastic system, a reduced-order sliding mode observer
关键词: Aeroelastic |  Pitch angle |  Plunge displacement |  Sliding mode observer |  Natural logarithmic attractor |  Backestepping |  Integral |  Sliding mode control

4. Small Airborne Object Recognition with Image Processing for Feature Extraction NSTL国家科技图书文献中心

Hoseop Lee |  Sungwook Cho... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(1) - 220~234 - 共15页

摘要:Drones are no longer being used for benevolent |  purposes. They are increasingly intruding in the vicinity |  of strategic national facilities, such as airports | , nuclear power plants, and government buildings | . Regrettably, in the recent Russia-Ukraine war or drone
关键词: Small airborne object detection |  Image processing |  Drone/bird classification |  Data augmentation

5. Neural Adaptive Sliding Mode Control for Camera Positioner Quadrotor UAV NSTL国家科技图书文献中心

Ahmad Mahmood |  Fazal ur Rehman... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(2) - 733~747 - 共15页

摘要:In the context of quadrotor UAV-based |  manipulation, it is important to achieve feedback control |  with faster convergence. However, achieving robust |  control and tuning of manipulator systems faces several |  challenges related to trajectory tracking due to parametric
关键词: Camera positioner system |  Quadrotor |  Nonlinear sliding surface |  Sliding mode control |  Radial basis function |  Neural network |  Settling time |  Overshoot

6. Improved Design of Beach Ball Constellation for Constant Revisit Time in LEO Reconnaissance NSTL国家科技图书文献中心

Jaewook Lim |  Kyung-Mi Park... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(1) - 287~301 - 共15页

摘要:Recent conflicts, such as the Ukrainian war | , highlight the need for advanced surveillance methods | . Small satellite constellations present cost-effective |  solutions for surveillance missions. In light of the |  increasing significance of cross-border intelligence
关键词: Beach ball constellation |  Reconnaissance |  Constant revisit time |  Collision inspection |  Sun-synchronous orbit |  Repeat ground track

7. Thermal Design Analysis of Low Earth Orbit Optical Telescope ROKITS NSTL国家科技图书文献中心

Jaegun Yoo |  Jeong-Yeol Han... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(2) - 834~846 - 共13页

摘要:The space thermal environment poses |  significant challenges due to its vacuum conditions, low |  pressure, and extreme temperature fluctuations. In Low |  Earth Orbit (LEO) spacecraft, the duration of the |  eclipse during each orbit complicates the maintenance of
关键词: Space optical telescope |  Space telescope |  Thermal control design |  Thermal analysis |  LEO spacecraft |  Space environment |  Thermal desktop |  SINDA/FLUINT

8. Crashworthiness of Energy Absorbing Structures Under Combined Shear-Compression Loading: Effects of Materials and Geometries NSTL国家科技图书文献中心

Yong-Ha Hwang |  Jae-Hung Han -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(2) - 615~628 - 共14页

摘要:In this paper, a study on the design of energy |  absorbing structures under combined shear-compression |  loading is conducted to effectively utilize the energy |  absorption principles of the material. Concave and convex |  designs are applied to energy absorbing structures made
关键词: Combined shear-compression loading |  Crashworthiness |  Drop impact test |  Metallic material |  Braided composite

9. Combustion Characteristics of Shear Coaxial Injectors with Different Recess Lengths Under Wide Operating Conditions NSTL国家科技图书文献中心

Cheolwoong Kang |  Shinwoo Lee... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(1) - 172~185 - 共14页

摘要:The advancement of space launch technologies |  necessitates engines with a broad thrust control range. This |  study examines the impact of injector recess length on |  combustion performance in shear coaxial injectors, crucial |  for liquid rocket engines using methane. This
关键词: Characteristic velocity |  Heat flux |  Hot-firing test |  Pressure fluctuation |  Recess length |  Shear coaxial injector

10. Assessment of the Wave-Shaped Surface of Wingsuit on Aerodynamic Performance NSTL国家科技图书文献中心

Mohsen Nazemian Alae... |  Mohammad Sadegh Vali... -  《International Journal of Aeronautical and Space Sciences》 - 2025,26(2) - 391~412 - 共22页

摘要:The performance of an athlete in the wingsuit |  industry relies on several factors. One crucial factor is |  the aerodynamics of the geometric shape, which can |  be improved by modifying the shape. The aerodynamic |  efficiency of a wingsuit is determined by its surface shape
关键词: Wingsuit |  Aerodynamic coefficients |  Flow visualization |  Tuft |  Computational fluid dynamics |  RSM
检索条件出处:International Journal of Aeronautical and Space Sciences

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