2023 Vol. 43, No. 4
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2023, 43(4): 042201.
doi: 10.11883/bzycj-2022-0239
Abstract:
Clearance of certain thickness often exists between two stacked metal flyers. When a double-layer metal flyer with clearance is loaded by detonation, the closing of the clearance may affect the form and shock intensity of the first and second loading...
Clearance of certain thickness often exists between two stacked metal flyers. When a double-layer metal flyer with clearance is loaded by detonation, the closing of the clearance may affect the form and shock intensity of the first and second loading...
2023, 43(4): 042202.
doi: 10.11883/bzycj-2022-0209
Abstract:
The most common hypervelocity propulsion systems are light gas guns. Especially, the ability of two-stage light gas guns is suitable to accelerate projectile at velocities ranging from 2 km/s to 9 km/s. However, velocities higher than 10 km/s are dem...
The most common hypervelocity propulsion systems are light gas guns. Especially, the ability of two-stage light gas guns is suitable to accelerate projectile at velocities ranging from 2 km/s to 9 km/s. However, velocities higher than 10 km/s are dem...
2023, 43(4): 042301.
doi: 10.11883/bzycj-2022-0316
Abstract:
In order to investigate the combustion characteristics of a new aluminum-containing solid propellant, the ignition and combustion process of the propellant at elevated pressure for simulating the solid propellant rocket engine were systematically stu...
In order to investigate the combustion characteristics of a new aluminum-containing solid propellant, the ignition and combustion process of the propellant at elevated pressure for simulating the solid propellant rocket engine were systematically stu...
2023, 43(4): 043101.
doi: 10.11883/bzycj-2022-0137
Abstract:
To describe the dynamic mechanical properties of frozen sandy soil under active confining pressure, a dynamic damage constitutive model, which could consider the effect of active confining pressure on the dynamic strength and deformation characterist...
To describe the dynamic mechanical properties of frozen sandy soil under active confining pressure, a dynamic damage constitutive model, which could consider the effect of active confining pressure on the dynamic strength and deformation characterist...
2023, 43(4): 043102.
doi: 10.11883/bzycj-2022-0253
Abstract:
Dynamic triaxial cyclic impact experiments on the coal rock samples with the bedding angles of 0°, 30°, 45°, 60°, and 90°, respectively, were conducted using a 50-mm split Hopkinson pressure bar (SHPB) system to study the dynamic mechanical behaviors...
Dynamic triaxial cyclic impact experiments on the coal rock samples with the bedding angles of 0°, 30°, 45°, 60°, and 90°, respectively, were conducted using a 50-mm split Hopkinson pressure bar (SHPB) system to study the dynamic mechanical behaviors...
2023, 43(4): 043103.
doi: 10.11883/bzycj-2022-0357
Abstract:
The microstructure of adiabatic shear band (ASB) is influenced by the specimen geometric shape. High-speed impact tests were performed on specimens of three different shapes of cylinder, hat-shaped, and shear-compression by a split Hopkinson pressure...
The microstructure of adiabatic shear band (ASB) is influenced by the specimen geometric shape. High-speed impact tests were performed on specimens of three different shapes of cylinder, hat-shaped, and shear-compression by a split Hopkinson pressure...
2023, 43(4): 043201.
doi: 10.11883/bzycj-2022-0431
Abstract:
When the projectile passes through the gas-liquid interface, the sudden change of density may cause a violent impact load and do untold damage to it. It seriously affects the working effect of the projectile. In order to reduce the water entry load o...
When the projectile passes through the gas-liquid interface, the sudden change of density may cause a violent impact load and do untold damage to it. It seriously affects the working effect of the projectile. In order to reduce the water entry load o...
2023, 43(4): 044101.
doi: 10.11883/bzycj-2022-0210
Abstract:
When the conventional split Hopkinson pressure bar (SHPB) experimental method is used to realize large deformation of the specimen at a low strain rate, it is often necessary to employ an ultra-long compression bar system. However, the high cost of m...
When the conventional split Hopkinson pressure bar (SHPB) experimental method is used to realize large deformation of the specimen at a low strain rate, it is often necessary to employ an ultra-long compression bar system. However, the high cost of m...
2023, 43(4): 044201.
doi: 10.11883/bzycj-2022-0116
Abstract:
The calculation of the break of ship hull caused by underwater close-range non-contact explosion is a complex process, involving many factors such as the hull frame, weapon charge, explosion distance and orientation, etc., so empirical formulas are u...
The calculation of the break of ship hull caused by underwater close-range non-contact explosion is a complex process, involving many factors such as the hull frame, weapon charge, explosion distance and orientation, etc., so empirical formulas are u...
2023, 43(4): 044202.
doi: 10.11883/bzycj-2022-0222
Abstract:
The main challenge of numerical simulation of intense explosion is how to accurately determine the equations of state for the explosive products. The traditional equations of state are mostly empirical or semi-empirical formulas, which can just deal ...
The main challenge of numerical simulation of intense explosion is how to accurately determine the equations of state for the explosive products. The traditional equations of state are mostly empirical or semi-empirical formulas, which can just deal ...
2023, 43(4): 045101.
doi: 10.11883/bzycj-2022-0346
Abstract:
Accurately evaluating the damage and failure of concrete shield subjected to combination of penetration and explosion of warheads can provide an important reference for the design of protective structures. Firstly, based on the frame of Karagozian &a...
Accurately evaluating the damage and failure of concrete shield subjected to combination of penetration and explosion of warheads can provide an important reference for the design of protective structures. Firstly, based on the frame of Karagozian &a...
2023, 43(4): 045401.
doi: 10.11883/bzycj-2022-0120
Abstract:
In order to control and prevent the safety risks caused by volatile gases during the storage and transportation of crude oil, the explosion limit of the ternary flammable gas mixture composed of volatile light hydrocarbons including CH4, C3H8 and C2H...
In order to control and prevent the safety risks caused by volatile gases during the storage and transportation of crude oil, the explosion limit of the ternary flammable gas mixture composed of volatile light hydrocarbons including CH4, C3H8 and C2H...
2023, 43(4): 045402.
doi: 10.11883/bzycj-2022-0240
Abstract:
With the rapid development of air transportation, the safe usability of aviation fuel is extremely important. However, during the storage, transportation and use of aviation fuel, it is very easy to form steam because of its good fluidity and volatil...
With the rapid development of air transportation, the safe usability of aviation fuel is extremely important. However, during the storage, transportation and use of aviation fuel, it is very easy to form steam because of its good fluidity and volatil...
2023, 43(4): 045901.
doi: 10.11883/bzycj-2022-0224
Abstract:
Safety separation distance is one of the key concerns in the engineering construction and the study of hazards warehouses. In order to reduce the safety separation distance, a novel type of hazards warehouse is proposed based on the current codes and...
Safety separation distance is one of the key concerns in the engineering construction and the study of hazards warehouses. In order to reduce the safety separation distance, a novel type of hazards warehouse is proposed based on the current codes and...
