2024 Vol. 44, No. 6
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2024, 44(6): 061001.
doi: 10.11883/bzycj-2023-0336
Abstract:
The precise control of explosive energy to form an effective radial fracture network in shale is the key of shale gas dynamic extraction. In order to elucidate the damage and fracture mechanisms of shale under directional fracture-controlled blasting...
The precise control of explosive energy to form an effective radial fracture network in shale is the key of shale gas dynamic extraction. In order to elucidate the damage and fracture mechanisms of shale under directional fracture-controlled blasting...
2024, 44(6): 062101.
doi: 10.11883/bzycj-2023-0037
Abstract:
Experiments were carried out on the flame behaviors and overpressure evolutions at the initial stage of ignition and explosion of steady-state hydrogen jet in open space, while a high-speed camera and pressure transducers were employed to record the ...
Experiments were carried out on the flame behaviors and overpressure evolutions at the initial stage of ignition and explosion of steady-state hydrogen jet in open space, while a high-speed camera and pressure transducers were employed to record the ...
2024, 44(6): 062301.
doi: 10.11883/bzycj-2023-0267
Abstract:
A charge is usually subjected to multi-pulse loading in the process of projectile penetration. A multi-pulse loading device for charge was proposed, and the stress amplification effect of the charge under multi-pulse loading was studied. An equivalen...
A charge is usually subjected to multi-pulse loading in the process of projectile penetration. A multi-pulse loading device for charge was proposed, and the stress amplification effect of the charge under multi-pulse loading was studied. An equivalen...
2024, 44(6): 062302.
doi: 10.11883/bzycj-2023-0381
Abstract:
In order to study the energy release characteristics of composite charge in confined space, a type of coaxial composite charge was designed with the inner layer of thermobaric explosive JHL-6 and the outer layer of mixed fuel of different components....
In order to study the energy release characteristics of composite charge in confined space, a type of coaxial composite charge was designed with the inner layer of thermobaric explosive JHL-6 and the outer layer of mixed fuel of different components....
2024, 44(6): 062303.
doi: 10.11883/bzycj-2023-0353
Abstract:
In order to study the pressure parameters of HMX-based aluminized pressed explosives at the ignition moment during slow cook-off, slow cook-off tests were designed at 0.1 and 1.0 ℃/min heating rates, and internal multi-point temperature measurements ...
In order to study the pressure parameters of HMX-based aluminized pressed explosives at the ignition moment during slow cook-off, slow cook-off tests were designed at 0.1 and 1.0 ℃/min heating rates, and internal multi-point temperature measurements ...
2024, 44(6): 063101.
doi: 10.11883/bzycj-2023-0323
Abstract:
Based on the background of the further requirements for lightweight, explosion and impact resistance, and vibration reduction and noise reduction in the development of honeycomb structure in engineering science, a liquid metal honeycomb sandwich stru...
Based on the background of the further requirements for lightweight, explosion and impact resistance, and vibration reduction and noise reduction in the development of honeycomb structure in engineering science, a liquid metal honeycomb sandwich stru...
2024, 44(6): 063102.
doi: 10.11883/bzycj-2023-0366
Abstract:
In order to explore the underwater anti-explosion mechanism of different corrugated steel-concrete slab composite structures, the damage process of concrete slab under underwater contact explosion was simulated by smoothed particle hydrodynamics and ...
In order to explore the underwater anti-explosion mechanism of different corrugated steel-concrete slab composite structures, the damage process of concrete slab under underwater contact explosion was simulated by smoothed particle hydrodynamics and ...
2024, 44(6): 063201.
doi: 10.11883/bzycj-2023-0391
Abstract:
Different initiation methods directly determine the stress wave propagation and explosion energy transmission law caused by drilling and blasting, thus affecting the effect of rock fragmentations. In this paper, the collision mechanism of stress wave...
Different initiation methods directly determine the stress wave propagation and explosion energy transmission law caused by drilling and blasting, thus affecting the effect of rock fragmentations. In this paper, the collision mechanism of stress wave...
2024, 44(6): 063202.
doi: 10.11883/bzycj-2023-0432
Abstract:
In order to improve the blast resistance performance of engineering structures to ensure the safety of important targets and reduce the adverse effects of high cement content on the environment of cement-based ultra-high performance concrete, a new t...
In order to improve the blast resistance performance of engineering structures to ensure the safety of important targets and reduce the adverse effects of high cement content on the environment of cement-based ultra-high performance concrete, a new t...
2024, 44(6): 063301.
doi: 10.11883/bzycj-2023-0379
Abstract:
In order to examine the influence of loads on the penetration behavior of the armor-piercing rod in a steel target, two sets of experiments were performed where both loaded and unloaded rods were used to penetrate 603 armored steel plates. Structural...
In order to examine the influence of loads on the penetration behavior of the armor-piercing rod in a steel target, two sets of experiments were performed where both loaded and unloaded rods were used to penetrate 603 armored steel plates. Structural...
2024, 44(6): 065101.
doi: 10.11883/bzycj-2023-0252
Abstract:
A numerical simulation study is carried out on the overall battle damage circumstances of structures and the residual behavior of fragments after the typical parts of aircraft are attacked by high-velocity fragments. An adaptive FEM-SPH coupling simu...
A numerical simulation study is carried out on the overall battle damage circumstances of structures and the residual behavior of fragments after the typical parts of aircraft are attacked by high-velocity fragments. An adaptive FEM-SPH coupling simu...
2024, 44(6): 065102.
doi: 10.11883/bzycj-2023-0370
Abstract:
Underwater explosions pose a significant threat to ships and other waterborne structures, jeopardizing their integrity and combat readiness. When ships are subjected to attacks by underwater weapons such as torpedoes or mines, the resulted explosions...
Underwater explosions pose a significant threat to ships and other waterborne structures, jeopardizing their integrity and combat readiness. When ships are subjected to attacks by underwater weapons such as torpedoes or mines, the resulted explosions...
2024, 44(6): 065103.
doi: 10.11883/bzycj-2023-0250
Abstract:
The liquid in partially filled tanks is prone to slosh under external excitation, and the additional forces and moments generated by liquid sloshing can have adverse effects on tank trucks. In order to avoid significant sloshing of the liquid in the ...
The liquid in partially filled tanks is prone to slosh under external excitation, and the additional forces and moments generated by liquid sloshing can have adverse effects on tank trucks. In order to avoid significant sloshing of the liquid in the ...
2024, 44(6): 065401.
doi: 10.11883/bzycj-2023-0363
Abstract:
In the experiment conducted using a custom-built 5-L dust explosion flame propagation apparatus, the focus of the study was the characteristics of the flame propagation of magnesium hydride (MgH2) dust explosions within a semi-enclosed space. The exp...
In the experiment conducted using a custom-built 5-L dust explosion flame propagation apparatus, the focus of the study was the characteristics of the flame propagation of magnesium hydride (MgH2) dust explosions within a semi-enclosed space. The exp...
