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ISSN: 2214-9147

Guide channel to improve a cavity-based scramjet combustor

A novel scramjet combustor with a guide channel (GSC) was configured by arranging an airflow channel adjacent to the cavity of a single-cavity scramjet combustor (SSC). Seven GSCs were fabricated by...

Integrated scheduling optimization of carrier-based aircraft deck operation for comprehensive efficiency

An aircraft carrier’s formidable combat capability relies on sorties, with efficient deck operations as the core to enhance sortie and recovery capabilities. First, this study develops an integrated...

A comparative study on the modulation of Al/Co3O4 nanocomposites energy release by V4C3 MXene and PVDF

Fluoropolymers are effective binders and modifiers in Al-based metastable intermolecular composites (MIC) due to their high reactivity and heat release. Recently, two-dimensional functional MXenes offer...

Shortest UAV trajectory for radar main-lobe jamming: On dubins path to a directed line

This paper investigates the problem of determining the shortest UAV trajectory for radar main-lobe jamming, which is formulated as the shortest path of a Dubins vehicle from a fixed initial configuration...

Effect of layered structure on the impact performance and damage mechanisms of hot-rolled aluminum laminated composites

The layered structure significantly influences the impact resistance of dissimilar metal composites. Aluminum laminated composites (ALCs) with different stacking configurations—7A52/7A01/7A62 (S-H)...

Study on the rationality of applying traditional inerting methods to nano-aluminum powder in additive manufacturing processes

Compared to the traditional metal processing industry, additive manufacturing (3D printing), due to its unique process, generates metallic dust by-products characterized by high yield, high metal purity,...

Experimental study on the dynamic deformation and mechanical behavior of compression-twist coupled chiral metamaterials

Compression-twist coupled chiral metamaterials offer high design flexibility. While their quasi-static mechanical properties have been extensively studied, their dynamic elastoplastic behavior under...

Investigation of high-velocity fragment penetration characteristics and cavity dynamics in a multi-compartment liquid-filled container

The cavity dynamics in liquid-filled containers induced by fragment penetration are central to the hydrodynamic ram effect, which generates intense pressure fluctuations that can cause catastrophic...

Inverse design framework of hybrid honeycomb structure with high impact resistance based on active learning

In this study, an inverse design framework was established to find lightweight honeycomb structures (HCSs) with high impact resistance. The hybrid HCS, composed of re-entrant (RE) and elliptical annular...

OSCJC: An open-set compound jamming cognition method for radar systems in high-intensity electromagnetic warfare

In high-intensity electromagnetic warfare, radar systems are persistently subjected to multi-jammer attacks, including potentially novel unknown jamming types that may emerge exclusively under wartime...

Dynamic fracture behavior and coupled impact effect of as-cast W-Zr-Ti energetic structural material

This paper prepared a novel as-cast W-Zr-Ti metallic ESM using high-frequency vacuum induction melting technique. The above ESM performs a typical elastic-brittle material feature and strain rate strengthening...

A high-energy powder with excellent combustion reaction performance: Surface modification strategy of boron powder based on non-thermal plasma

The presence of a surface oxide film (B2O3) on boron (B) particles significantly compromises their combustion efficiency and kinetic performance in fuel-rich solid propellants. This study proposes an...

The effects of bio-inspired wing vein morphology on thrust generation in double-clap flapping-wing robots

Wing design is a critical factor in the aerodynamic performance of flapping-wing (FW) robots. Inspired by the natural wing structures of insects, bats, and birds, we explored how bio-mimetic wing vein...

Bioinspired polydopamine interface reinforced boron-Viton composites with high structure stability and energy releasing efficiency

Boron has attracted increasing attention in the field of high-energy explosives and propellants due to its high volume calorific value and mass calorific value. However, the complicated combustion process...

Retaining local chemical effects: An error cancellation strategy for calculating standard gas-phase enthalpy of formation

Conventional error cancellation approaches separate molecules into smaller fragments and sum the errors of all fragments to counteract the overall computational error of the parent molecules. However,...

Distributed robust data-driven event-triggered control for QUAVs under stochastic disturbances

To address the issue of instability or even imbalance in the orientation and attitude control of quadrotor unmanned aerial vehicles (QUAVs) under random disturbances, this paper proposes a distributed...

3D printed high-temperature ceramic conformal array antenna: Design, analysis, manufacturing, and testing

In this study, the design, analysis, manufacturing, and testing of a 3D-printed conformal microstrip array antenna for high-temperature environments is presented. 3D printing technology is used to fabricate...

Detonation characteristics of the solid-liquid mixed fuel cloud of Al/B/MgH2/DEE/IPN

To elucidate the dispersion and explosion characteristics of multi-metal powder and liquid composite fuel formulations, high-energy metal powders (aluminum (Al), boron (B), and magnesium hydride (MgH2))...

Acoustic physics-informed intelligent path planning framework for active sonar search

In underwater target search path planning, the accuracy of sonar models directly dictates the accurate assessment of search coverage. In contrast to physics-informed sonar models, traditional geometric...

Gyroid-structured SiOC composite with excellent broadband microwave absorption and load-bearing performance

Designing materials with both structural load-bearing capacity and broadband electromagnetic (EM) wave absorption properties remains a significant challenge. In this work, SiOC/SiC/SiO2 composite with...

Long-range masked autoencoder for pre-extraction of trajectory features in within-visual-range maneuver recognition

In the field of intelligent air combat, real-time and accurate recognition of within-visual-range (WVR) maneuver actions serves as the foundational cornerstone for constructing autonomous decision-making...

Advancing ignition techniques for energetic materials: A comparative study of direct laser ignition and laser-driven flyer methods

Conventional ignition methods are proving to be ineffective for low-sensitivity energetic materials, highlighting the need to investigate alternative ignition systems, such as laser-based techniques....

Optimized fiber allocation for enhanced impact resistance in composites through damage mode suppression

Variable stiffness composites present a promising solution for mitigating impact loads via varying the fiber volume fraction layer-wise, thereby adjusting the panel's stiffness. Since each layer of...

Magnetic pulse welding of Al-5754 with Al-7075 and MARS 380: Weldability windows and ballistic testing

Joining dissimilar materials encounters significant engineering challenges due to the contrast in material properties that makes conventional welding not feasible. Magnetic Pulse Welding (MPW) offers...

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