The role of isolators in two-phase kerosene/air rotating detonation engines
July 2025
In this study, the three-dimensional non-premixed two-phase kerosene/air rotating detonation engines with different isolator configurations and throat area ratios are simulated by the Eulerian-Lagrangian...
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Impact of the head cavity and submerged nozzle on corner vortices and pressure oscillations in a solid rocket motor with a backward-facing step
July 2025
Taking a C1x motor with a backward-facing step which can generate a typical corner vortex as a reference, a numerical methodology using large eddy simulation was established in this study. Based on...
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FDM - 3D printing of thermoplastic composites with high energetic solids content designed for gun propellants
July 2025
This study represents an important step forward in the domain of additive manufacturing of energetic materials. It presents the successful formulation and fabrication by 3D printing of gun propellants...
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Distributed adaptive coalition task allocation based on reachable region online prediction for munition swarm
Available online 11 July 2025
Task allocation for munition swarm is constrained by reachable region limitations and real-time requirements. This paper proposes a reachable region guided distributed coalition formation game (RRG-DCF)...
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Interfacial Engineering of Al-NH4CoF3@P(VDF-HFP) Core-Shell Energetic Composites via Electrostatic Spraying: Enhanced Stability and Combustion Performance
Available online 10 July 2025
Al/NH4CoF3-Φ (Φ = 0.5, 1.0, 1.5, 2.0 and 3.0) binary composites and Al-NH4CoF3@P(VDF-HFP) ternary composites are fabricated via ultrasonication-assisted blending and electrostatic spraying. The effect...
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Stress waves in concrete targets induced by hypervelocity projectile penetration: an experimental and numerical investigation
Available online 8 July 2025
With the application of hypervelocity weapons in warfare, comprehensively evaluating their destructive effects is of particular interest for protective engineering. Existing studies mostly focused on...
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Temperature-effect incorporated damage assessment methodology for beam-slab composite structures subjected to long-duration blast loads
Available online 6 July 2025
Aiming at addressing the issues of unclear dynamic response mechanisms and insufficient quantification of temperature coupling effects in building structures under long-duration blast loads, this study...
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Experimental and Numerical Analysis of Near-Field Detonation Products and Shock Wave Characteristics for Cylindrical Charge
Available online 5 July 2025
Predictions of extreme near-field blast wave for cylindrical charge is crucial for designing sympathetic detonation protection structures, yet the quantitative analysis of detonation products and shock...
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Investigation of penetration characteristics of shaped charge jet impacting behind-armor liquid-filled containers
Available online 4 July 2025
The impact of high-velocity penetrators into liquid-filled containers can generate hydrodynamic ram effects, potentially causing catastrophic structural damage to the container. Previous studies have...
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Topological Considerations for Reinforced Concrete Modular Protection Systems Against Near-Field Overpressure Generated by Close-in Detonations
Available online 3 July 2025
With the increasing demand for secure infrastructure such as hydrogen refueling stations, chemical plants, and energy storage systems, the need for protective structures capable of withstanding close-in...
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Cross-platform mission planning for UAVs under carrier delivery mode
Available online 3 July 2025
As battlefield scale enlarges, cross-platform collaborative combat provides an appealing paradigm for modern warfare. Complicated constraints and vast solution space pose great challenge for reasonable...
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Bridging Al-PTFE enhances energy output and mechanical properties of LLM-105
Available online 2 July 2025
The energy release of energetic composites is severely limited by the inert alumina (Al2O3) layer on the surface of aluminum (Al). Polytetrafluoroethylene (PTFE) could eliminate Al2O3 layer due to its...
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Modeling and analysis of maneuver laws based on higher order multi-resolution dynamic mode decomposition for hypersonic glide vehicles
June 2025
The precise characterization of hypersonic glide vehicle (HGV) maneuver laws in complex flight scenarios still faces challenges. Non-stationary changes in flight state due to abrupt changes in maneuver...
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Effective implementation of controlled blasting methodology during excavation of hard rock in the close proximity of earthen dam and tunnel
June 2025
The present technical paper outlines the details of the controlled blasting techniques used to optimize blasting pattern for excavation of hard rock near the Bhira Earthen Dam in Maharashtra, India....
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Surface-covering water significantly amplifies the explosion impulse of shallow buried explosives
June 2025
While the moisture content of soil affects significantly the blast impulse of shallow buried explosives, the role of surface-covering water (SCW) on soil in such blast impulse remains elusive. A combined...
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Impact attenuation mechanism of single/double-layer potting structures of MEMS devices under continuous double-pulse impact
June 2025
High-overload shocks are very likely to cause damage to the microstructure of MEMS devices, especially the continuous multiple high-overload shocks generated by the penetration of the multilayer target...
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Advanced composite wing design for next-generation military UAVs: A progressive numerical optimization framework
June 2025
The design of unmanned aerial vehicles (UAVs) revolves around the careful selection of materials that are both lightweight and robust. Carbon fiber-reinforced polymer (CFRP) emerged as an ideal option...
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Dynamic response of blast doors enhanced by enclosed-space TNT explosions: Experimental and numerical study
June 2025
The afterburning of TNT and structural constraints in confined spaces significantly amplify the blast load, leading to severe structural damage. This study investigates the mechanisms underlying the...
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Basic theory of dust explosion of energetic materials: A review
June 2025
Due to the presence of nitro groups, the dust generated during the production and utilization of energetic materials may potentially lead to dust explosion even under low-oxygen or anaerobic conditions....
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Situation maintenance-based cooperative guidance strategy for intercepting a superior target
June 2025
A situation maintenance-based cooperative guidance strategy is proposed to intercept a high-speed and high-maneuverability target via inferior missiles. Reachability and relative motion analyses are...
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One-pot synthesis of PDDA-mediated CuO-functionalized activated carbon fabric for sarin detoxification with enhanced strength and permeability for NBC protective clothing
June 2025
Chemical warfare agents (CWAs) are extremely lethal substances used in warfare and terrorism, capable of causing permanent damage even in small doses, despite medical intervention. Therefore, detection,...
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Evolving adaptive and interpretable decision trees for cooperative submarine search
June 2025
System upgrades in unmanned systems have made Unmanned Aerial Vehicle (UAV)-based patrolling and monitoring a preferred solution for ocean surveillance. However, dynamic environments and large-scale...
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The detonation wave propagation and the calculation methods for shock wave overpressure distribution of composite charges
June 2025
To explore the design criteria for composite charges and reveal the intrinsic relationship between the detonation wave propagation in composite charges and the overall energy distribution of shock waves,...
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Gram-scale synthesis of simple cubic phase black phosphorus via shock-induced phase transformation: Mechanistic insights and process-dependent phase control
Available online 30 June 2025
Simple cubic black phosphorus (BP) has been recognized as a strategic material due to its exceptional structural stability under extreme conditions. In this investigation, simple cubic BP was successfully...
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