2005 Vol. 25, No. 2
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2005, 25(2): 97-101.
doi: 10.11883/1001-1455(2005)02-0097-05
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Abstract:
For the problem of detonation driving plate, if some quantities could be gained from theories or experiments, we can deduce the projection angle formula from the projection angle equation. Using the equation, regarding the projection angle as a small...
For the problem of detonation driving plate, if some quantities could be gained from theories or experiments, we can deduce the projection angle formula from the projection angle equation. Using the equation, regarding the projection angle as a small...
2005, 25(2): 102-106.
doi: 10.11883/1001-1455(2005)02-0102-05
Abstract:
The numerical simulation result for the penetration of ceramic composite plate by long-rod projectile of tungsten alloy was presented. The front and back of the composite plate is made of armor steel and in the middle is ceramic. The Johnson-Cook con...
The numerical simulation result for the penetration of ceramic composite plate by long-rod projectile of tungsten alloy was presented. The front and back of the composite plate is made of armor steel and in the middle is ceramic. The Johnson-Cook con...
2005, 25(2): 107-111.
doi: 10.11883/1001-1455(2005)02-0107-05
Abstract:
By using complete soft recovery technique, the deformation and macroscopical spalling characteristics of steel 20 tube under sliding inward explosion were investigated. Experiments were carried out with different kinds of solid high explosives (HE), ...
By using complete soft recovery technique, the deformation and macroscopical spalling characteristics of steel 20 tube under sliding inward explosion were investigated. Experiments were carried out with different kinds of solid high explosives (HE), ...
2005, 25(2): 112-118.
doi: 10.11883/1001-1455(2005)02-0112-07
Abstract:
In this paper, using ANSYS 5.7/LS-DYNA, the dynamic stress concentration at the hole edge in a plate subjected to transverse explosive loading was studied. A simple and effective approach based on time-distributive function of energy density was deve...
In this paper, using ANSYS 5.7/LS-DYNA, the dynamic stress concentration at the hole edge in a plate subjected to transverse explosive loading was studied. A simple and effective approach based on time-distributive function of energy density was deve...
2005, 25(2): 119-124.
doi: 10.11883/1001-1455(2005)02-0119-06
Abstract:
The pressure-shear plate impact experiments and impact recovery experiments have been performed on 92.93% aluminas using 57 mm-diameter compressed-gas gun. And the inelastic behavior and shear wave propagation have been probed in polycrystalline cera...
The pressure-shear plate impact experiments and impact recovery experiments have been performed on 92.93% aluminas using 57 mm-diameter compressed-gas gun. And the inelastic behavior and shear wave propagation have been probed in polycrystalline cera...
2005, 25(2): 125-131.
doi: 10.11883/1001-1455(2005)02-0125-07
Abstract:
In this paper, the impact compression tests of the stress-strain curves of steel fiber reinforced high strength concrete got by 100 mm SHPB setup are introduced. From the compression strength, peak strain and the elastic modulu etc., the effects of ...
In this paper, the impact compression tests of the stress-strain curves of steel fiber reinforced high strength concrete got by 100 mm SHPB setup are introduced. From the compression strength, peak strain and the elastic modulu etc., the effects of ...
2005, 25(2): 132-136.
doi: 10.11883/1001-1455(2005)02-0132-05
Abstract:
Three different FAE devices were tested with the aspect ration of height to diameter ranged from 1.5 to 2.3 and high-speed video was used to detect the cloud formation. Based on the digital image-processing software and referenced to the upper close ...
Three different FAE devices were tested with the aspect ration of height to diameter ranged from 1.5 to 2.3 and high-speed video was used to detect the cloud formation. Based on the digital image-processing software and referenced to the upper close ...
Applications of the ghost fluid method based on the fourth-order semi-discrete central-upwind scheme
2005, 25(2): 137-144.
doi: 10.11883/1001-1455(2005)02-0137-08
Abstract:
A fourth-order semi-discrete central-upwind scheme for multidimensional inviscid compressible Euler equations is presented in this paper. Based on the local speeds of nonlinear wave propagation at grids boundaries, the width of the local Riemann fans...
A fourth-order semi-discrete central-upwind scheme for multidimensional inviscid compressible Euler equations is presented in this paper. Based on the local speeds of nonlinear wave propagation at grids boundaries, the width of the local Riemann fans...
2005, 25(2): 145-150.
doi: 10.11883/1001-1455(2005)02-0145-06
Abstract:
The experimental study of ultrafine aluminum oxide formed by the mixture detonation of aluminum nitrate and PETN used to maintain steady detonation is presented. The detonation product without any disposal is analysed by TEM、XRD、DTA/TGA and BET. The ...
The experimental study of ultrafine aluminum oxide formed by the mixture detonation of aluminum nitrate and PETN used to maintain steady detonation is presented. The detonation product without any disposal is analysed by TEM、XRD、DTA/TGA and BET. The ...
2005, 25(2): 151-156.
doi: 10.11883/1001-1455(2005)02-0151-06
Abstract:
Cellular patterns were recorded by smoke tracing technique, and evolution of cellular structure was analyzed in detail when gaseous detonation propagates in the 90 rectangular bend. The influences of initial pressure of combustible gas and curvature ...
Cellular patterns were recorded by smoke tracing technique, and evolution of cellular structure was analyzed in detail when gaseous detonation propagates in the 90 rectangular bend. The influences of initial pressure of combustible gas and curvature ...
2005, 25(2): 157-162.
doi: 10.11883/1001-1455(2005)02-0157-06
Abstract:
Experimental study of the response of the concrete, steel fiber reinforced concrete and polypropylene fiber reinfored concrete slab under blast loading was performed. The macroscopic damage is described, and the explosive compression coefficient valu...
Experimental study of the response of the concrete, steel fiber reinforced concrete and polypropylene fiber reinfored concrete slab under blast loading was performed. The macroscopic damage is described, and the explosive compression coefficient valu...
2005, 25(2): 163-170.
doi: 10.11883/1001-1455(2005)02-0163-08
Abstract:
The response of a transmission shaft in gear transmission system subjected to accidental impact by the joggled gear is simplified as that of a fully clamped beam stuck by an equivalent mass with an initial velocity, which is analyzed within the frame...
The response of a transmission shaft in gear transmission system subjected to accidental impact by the joggled gear is simplified as that of a fully clamped beam stuck by an equivalent mass with an initial velocity, which is analyzed within the frame...
2005, 25(2): 171-175.
doi: 10.11883/1001-1455(2005)02-0171-05
Abstract:
The paper discusses experimental results of launching truncated-ogive-nose earth penetrating weapon into concrete targets. The motion process of projectile is studied using the high-speed recording photographs of the reduce scale earth penetrating we...
The paper discusses experimental results of launching truncated-ogive-nose earth penetrating weapon into concrete targets. The motion process of projectile is studied using the high-speed recording photographs of the reduce scale earth penetrating we...
2005, 25(2): 176-179.
doi: 10.11883/1001-1455(2005)02-0176-04
Abstract:
The characteristics of explosive seismic source has been investigated with close-in ground motion data. On the assumption of half space model, the underground explosion seismic source function, i.e. reduced velocity potential (RVP), has been obtained...
The characteristics of explosive seismic source has been investigated with close-in ground motion data. On the assumption of half space model, the underground explosion seismic source function, i.e. reduced velocity potential (RVP), has been obtained...
2005, 25(2): 180-182.
doi: 10.11883/1001-1455(2005)02-0180-03
Abstract:
Series of small yield chemical explosion tests, which media were uniform near the explotion sources, were performed in a certain hard rock to investigate the relationship between explosion seismic coupling intensity and yield in the same buried depth...
Series of small yield chemical explosion tests, which media were uniform near the explotion sources, were performed in a certain hard rock to investigate the relationship between explosion seismic coupling intensity and yield in the same buried depth...
2005, 25(2): 183-188.
doi: 10.11883/1001-1455(2005)02-0183-06
Abstract:
The spall properties of no-Co-alloy steel loaded by gas gun are studied, and Hugoniot elastic limit, spall strength, spall thickness and plastic strain rate are obtained from each experiment. By the fracture analysis and metallographic analysis, we o...
The spall properties of no-Co-alloy steel loaded by gas gun are studied, and Hugoniot elastic limit, spall strength, spall thickness and plastic strain rate are obtained from each experiment. By the fracture analysis and metallographic analysis, we o...
2005, 25(2): 189-192.
doi: 10.11883/1001-1455(2005)02-0189-04
Abstract:
A mixture of HFC-161 used as an alternative refrigerant to R502 is promising. It is necessary to study the flammability of HFC-161 in order to ensure the safety in application. Follow GB/T12474-90, an experimental setup for explosion limits was estab...
A mixture of HFC-161 used as an alternative refrigerant to R502 is promising. It is necessary to study the flammability of HFC-161 in order to ensure the safety in application. Follow GB/T12474-90, an experimental setup for explosion limits was estab...
