Exploring the hygroscopic behavior of highly energetic oxidizer ammonium dinitramide (ADN) at different temperatures and humidities using an innovative hygroscopic modeling
October 2024
Ammonium dinitramide (ADN) is a new type of green energetic oxidizer with excellent energy density and low pollution combustion characteristics. However, the strong hygroscopicity has a significant...
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Research status and challenges in the manufacturing of IR conformal optics
October 2024
The infrared conformal window is one of the most critical components in aircraft. Conformal windows with high performance bring low aberrations, high aerodynamic performance, reliability in extreme...
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Kinetics and mechanism of the low-energy β-α phase transition of the second kind in 2,4-dinitroanisole
October 2024
In this work, comprehensive studies of 2,4-dinitroanisole (2,4DNAN) were carried out using powder thermorentgenography of the internal standard. The time of the complete polymorphic transition in the...
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A novel framework to intercept GPS-denied, bomb-carrying, non-military, kamikaze drones: Towards protecting critical infrastructures
October 2024
Protection of urban critical infrastructures (CIs) from GPS-denied, bomb-carrying kamikaze drones (G-B-KDs) is very challenging. Previous approaches based on drone jamming, spoofing, communication interruption...
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A cloud model target damage effectiveness assessment algorithm based on spatio-temporal sequence finite multilayer fragments dispersion
October 2024
To solve the problem of target damage assessment when fragments attack target under uncertain projectile and target intersection in an air defense intercept, this paper proposes a method for calculating...
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A data and physical model dual-driven based trajectory estimator for long-term navigation
October 2024
Long-term navigation ability based on consumer-level wearable inertial sensors plays an essential role towards various emerging fields, for instance, smart healthcare, emergency rescue, soldier positioning...
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Comparative impact behaviours of ultra high performance concrete columns reinforced with polypropylene vs steel fibres
October 2024
Polypropylene (PP) fibres have primarily used to control shrinkage cracks or mitigate explosive spalling in concrete structures exposed to fire or subjected to impact/blast loads, with limited investigations...
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Influences of oscillation on the physical stability and explosion characteristics of solid‒liquid mixed fuel
October 2024
The stratification phenomenon resulting from differences in the physical properties of solid‒liquid components seriously affect the final combustion and explosion characteristics of mixed fuel under...
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Spontaneous ignition of corrugated cardboard under dynamic high radiant flux
October 2024
Understanding the response of solid combustibles under high radiant fluxes is critical in predicting the thermal damage from extreme scenarios. Unlike the more moderate radiant fluxes in conventional...
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Failure pattern in ceramic metallic target under ballistic impact
October 2024
The ballistic resistance and failure pattern of a bi-layer alumina 99.5% - aluminium alloy 1100-H12 target against steel 4340 ogival nosed projectile has been explored in the present experimental cum...
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Resistance of full-scale beams against close-in explosions. Numerical modeling and field tests
October 2024
This paper explores the performances of a finite element simulation including four concrete models applied to a full-scale reinforced concrete beam subjected to blast loading. Field test data has been...
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Blast injury risks to humans within a military trench
October 2024
In land warfare, trenches serve as vital defensive fortifications, offering protection to soldiers while engaging in combat. However, despite their protective function, soldiers often sustain injuries...
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Data-driven prediction of dimensionless quantities for semi-infinite target penetration by integrating machine-learning and feature selection methods
October 2024
This study employs a data-driven methodology that embeds the principle of dimensional invariance into an artificial neural network to automatically identify dominant dimensionless quantities in the...
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Topological optimization of ballistic protective structures through genetic algorithms in a vulnerability-driven environment
October 2024
Reducing the vulnerability of a platform, i.e., the risk of being affected by hostile objects, is of paramount importance in the design process of vehicles, especially aircraft. A simple and effective...
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Design and evaluation of a kind of polymer-bonded explosives with improved mechanical sensitivity and thermal properties
October 2024
The emergence of TKX-50, an energetic ionic salt with a high enthalpy of formation and low sensitivity, has opened a new path for the development of high-energetic, insensitive composite explosives....
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Properties of high cis-1,4 content hydroxyl-terminated polybutadiene and its application in composite solid propellants
October 2024
In this paper, high cis-1,4 content hydroxyl-terminated polybutadiene (cis-HTPB) with different molecular weights was prepared through the oxidative cracking process using cis-butadiene rubber as raw...
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Preparation of spherical HMX@PDA-based PBX by co-axial droplet microfluidic technology: Enhancing the interfacial effect and safety performance of composite microspheres
Available online 30 October 2024
Surface engineering plays a crucial role in improving the performance of high energy materials, and polydopamine (PDA) is widely used in the field of energetic materials for surface modification and...
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Effects of aging on mechanical sensitivity threshold and thermal decomposition characteristic of RDX/HMX
Available online 30 October 2024
In order to analyze the influences of storage aging on the safety of typical elemental explosives, the aged cyclotrimethylene trinitramine (RDX) and cyclotetramethylene tetranitramine (HMX) were prepared...
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Reactivity of polyaniline composites with attractive cyclic nitramines
Available online 30 October 2024
Composite microcrystals of the nitramines (NAs) viz., RDX, HMX, BCHMX, and CL-20 with electrically conductive polyaniline (PANi) are a charge transfer complexes in coagglomerated composite crystals...
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Evaluation of detonation performance of explosives ICM-101, ONC, and TNAZ based on improved VHL equation of state
Available online 28 October 2024
Detonation performance is crucial for evaluating the power of high explosives (HEs), and the equation of state (EOS) that accurately describes the high-temperature, high-pressure, and high-temperature,...
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Investigation of mixing performance and safety characteristics of polymer-based energetic materials simulant via screw-pressing blending extrusion charges
Available online 26 October 2024
The present study introduces a screw-pressing charging method to tackle deficiencies in automation and charge uniformity during the melt-casting of polymer-based energetic materials. To ensure the safety...
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Mode-switching cooperative defense strategy for the orbit pursuit-evasion-defense game
Available online 24 October 2024
This paper presents a mode-switching collaborative defense strategy for spacecraft pursuit-evasion-defense scenarios. In these scenarios, the pursuer tries to avoid the defender while capturing the...
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The superior ballistic performance of highly stretchable and flexible double-face knitted fabrics (DFKF): An experimental investigation
Available online 22 October 2024
When the protective and protected systems are detached, the former can be allowed to absorb the kinetic energy of the impacting projectile through large deformation without considering the back face...
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