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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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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Efficiently enhancing thermal conductivity of polymer bonded explosives via the construction of primary-secondary thermal conductivity networks
June 2025
Realizing effective enhancement in the thermally conductive performance of polymer bonded explosives (PBXs) is vital for improving the resultant environmental adaptabilities of the PBXs composites....
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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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Study on the reaction kinetics mechanism and properties of RDX/ADN/FKM2602 composite microspheres
June 2025
This study prepared a class of RDX-based composite microspheres (RAF) containing ADN and FKM2602. The reaction kinetics of RAF composite microspheres were effectively improved by maintaining the system's...
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Trajectory prediction algorithm of ballistic missile driven by data and knowledge
June 2025
Recently, high-precision trajectory prediction of ballistic missiles in the boost phase has become a research hotspot. This paper proposes a trajectory prediction algorithm driven by data and knowledge...
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Experimental study on the TNT equivalence for blast parameters in a confined space
June 2025
The concept of TNT (Trinitrotoluene, C7H5N3O6) equivalence is often invoked to evaluate the performance and predict the explosion parameters of different types of explosives. However, due to its low...
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Weapon-target assignment for unmanned aerial vehicles: A multi-strategy threshold public goods game approach
June 2025
As a crucial process in the coordinated strikes of unmanned aerial vehicles (UAVs), weapon-target assignment is vital for optimizing the allocation of available weapons and effectively exploiting the...
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Reliability analysis of modular charge swinging-loading positioning accuracy under new failure criterion based on spatial geometric relationship
June 2025
The swinging-loading process is essential for automatic artillery loading systems. This study focuses on the problems of reliability analysis that affect swinging-loading positioning accuracy. A dynamic...
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Control model for burning-bubble clouds formed by confined melt-cast explosives under thermal stimulation
June 2025
DNAN-based insensitive melt-cast explosives have been widely utilized in insensitive munition in recent years. When constrained DNAN-based melt-cast explosives are ignited under thermal stimulation,...
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Thermochemical analysis and field performance of small arms propellants from 1953 (30-06 M2 AP) and 2012 (M855A1) ammunition
June 2025
When older stocks of ammunition are fielded for use, propellant degradation may be of concern. Degraded propellants may result in either increased or decreased chamber pressures, depending on formulation...
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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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