2014 Vol. 34, No. 5
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2014, 34(5): 513-520.
doi: 10.11883/1001-1455(2014)05-0513-08
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Abstract:
In order to meet the demands of transient high temperature measurement in explosive field, an infrared colorimetric temperature measurement system was established based on the theory of light radiation.The experiments with a blackbody furnace were ca...
In order to meet the demands of transient high temperature measurement in explosive field, an infrared colorimetric temperature measurement system was established based on the theory of light radiation.The experiments with a blackbody furnace were ca...
2014, 34(5): 521-526.
doi: 10.11883/1001-1455(2014)05-0521-06
Abstract:
To investigate the water-entry process of an airborne torpedo, the forces encountered by the water-entry airborne torpedo were analyzed and calculated by using MATLAB.A finite element model for the torpedo entry into water was established by using th...
To investigate the water-entry process of an airborne torpedo, the forces encountered by the water-entry airborne torpedo were analyzed and calculated by using MATLAB.A finite element model for the torpedo entry into water was established by using th...
2014, 34(5): 527-533.
doi: 10.11883/1001-1455(2014)05-0527-07
Abstract:
By considering acoustic－structure coupling, the strains, velocities and accelerations were calculated by the finite element method for the sandwich cylindrical shells as well as the common cylindrical shells having the same mass.The calculated result...
By considering acoustic－structure coupling, the strains, velocities and accelerations were calculated by the finite element method for the sandwich cylindrical shells as well as the common cylindrical shells having the same mass.The calculated result...
2014, 34(5): 534-538.
doi: 10.11883/1001-1455(2014)05-0534-05
Abstract:
Based on the large-scale finite element analysis software ANSYS/LS-DYNA, the dynamic analysis model was established for the movement of a three-dimensional rectangular high-velocity fragment in water medium.The multi-material arbitrary Lagrangian Eul...
Based on the large-scale finite element analysis software ANSYS/LS-DYNA, the dynamic analysis model was established for the movement of a three-dimensional rectangular high-velocity fragment in water medium.The multi-material arbitrary Lagrangian Eul...
2014, 34(5): 539-546.
doi: 10.11883/1001-1455(2014)05-0539-08
Abstract:
Based on ANSYS/LS＿DYNA, the multi-material fluid-solid coupling method was adopted to numerically simulate the dynamic responses of an underground straight-wall-arch tunnel to the penetration and explosion of a guided bomb GBU-28.The explosion of the...
Based on ANSYS/LS＿DYNA, the multi-material fluid-solid coupling method was adopted to numerically simulate the dynamic responses of an underground straight-wall-arch tunnel to the penetration and explosion of a guided bomb GBU-28.The explosion of the...
2014, 34(5): 547-553.
doi: 10.11883/1001-1455(2014)05-0547-07
Abstract:
Circular arc indentations were introduced into metal thin-walled cylinders.And a multi-objective optimization model was built by taking the number and the radius of the indentations as optimization parameters, as well as the specific energy absorptio...
Circular arc indentations were introduced into metal thin-walled cylinders.And a multi-objective optimization model was built by taking the number and the radius of the indentations as optimization parameters, as well as the specific energy absorptio...
2014, 34(5): 554-559.
doi: 10.11883/1001-1455(2014)05-0554-06
Abstract:
The deflection angle formula was derived based on the neutral axis equation with the tall chimney blasting cut section under the action of both along-wind load and across-wind resonance.Then a series of wind load cases were considered as follows:diff...
The deflection angle formula was derived based on the neutral axis equation with the tall chimney blasting cut section under the action of both along-wind load and across-wind resonance.Then a series of wind load cases were considered as follows:diff...
2014, 34(5): 560-566.
doi: 10.11883/1001-1455(2014)05-0560-07
Abstract:
To provide the key data for evaluating the launch safety of propellant charge, dynamic compression fracture experiments were carried out for the propellant charges with different original packing modes.And the corresponding compression stresses at th...
To provide the key data for evaluating the launch safety of propellant charge, dynamic compression fracture experiments were carried out for the propellant charges with different original packing modes.And the corresponding compression stresses at th...
2014, 34(5): 567-573.
doi: 10.11883/1001-1455(2014)05-0567-07
Abstract:
Aimed to an ejection life-saving system in combat aircraft with a canopy pre-damaged by miniature detonation cord, the followings were investigated as the accessibility of the ejection passageway, the damage modes of the canopy, and the impact injury...
Aimed to an ejection life-saving system in combat aircraft with a canopy pre-damaged by miniature detonation cord, the followings were investigated as the accessibility of the ejection passageway, the damage modes of the canopy, and the impact injury...
2014, 34(5): 574-579.
doi: 10.11883/1001-1455(2014)05-0574-06
Abstract:
According to the dispersal mixing process of explosive-driven solid powder and liquid, a transparent double-layer dispersal device was designed.A high-speed photography system was used to record the shell crushing of the dispersal device and the evol...
According to the dispersal mixing process of explosive-driven solid powder and liquid, a transparent double-layer dispersal device was designed.A high-speed photography system was used to record the shell crushing of the dispersal device and the evol...
2014, 34(5): 580-585.
doi: 10.11883/1001-1455(2014)05-0580-06
Abstract:
Hydrogen constant volume combustion was investigated by using a constant volume combustion bomb and a high－speed data acquisition system.The pressure change in the hydrogen constant volume combustion bomb was summarized and the rules of the combustio...
Hydrogen constant volume combustion was investigated by using a constant volume combustion bomb and a high－speed data acquisition system.The pressure change in the hydrogen constant volume combustion bomb was summarized and the rules of the combustio...
2014, 34(5): 586-593.
doi: 10.11883/1001-1455(2014)05-0586-08
Abstract:
Two kinds of different volatile pulverized coal were tested in a semi-enclosed vertical combustion tube.And a high-speed video camera and an infrared imager were used to record the flame propagation process and the spatial flame temperature distribut...
Two kinds of different volatile pulverized coal were tested in a semi-enclosed vertical combustion tube.And a high-speed video camera and an infrared imager were used to record the flame propagation process and the spatial flame temperature distribut...
2014, 34(5): 594-600.
doi: 10.11883/1001-1455(2014)05-0594-07
Abstract:
The AUTODYN code was applied to investigate the performance changes of the ceramic/metal armors under ballistic impact with the different geometrical parameters.A two-dimensional axisymmetric SPH-Lagrange model was developed, and it was validated by ...
The AUTODYN code was applied to investigate the performance changes of the ceramic/metal armors under ballistic impact with the different geometrical parameters.A two-dimensional axisymmetric SPH-Lagrange model was developed, and it was validated by ...
2014, 34(5): 601-607.
doi: 10.11883/1001-1455(2014)05-0601-07
Abstract:
The three-dimensional Voronoi technique and the explicit finite element method were utilized to investigate the micro-inertia effect and dynamic plastic Poisson's ratio of closed-cell and opencell metallic foams.The simulation results indicate that t...
The three-dimensional Voronoi technique and the explicit finite element method were utilized to investigate the micro-inertia effect and dynamic plastic Poisson's ratio of closed-cell and opencell metallic foams.The simulation results indicate that t...
2014, 34(5): 608-614.
doi: 10.11883/1001-1455(2014)05-0608-07
Abstract:
To research the wounding effects of small caliber rifle cartridges, the following cartridges were chosen as the investigated objectives:the 5.56×45 mm NATO, 5.45×39 mm and 5.8×42 mm DBP 87 rifle cartridges.A series of theoretical analyses were perfor...
To research the wounding effects of small caliber rifle cartridges, the following cartridges were chosen as the investigated objectives:the 5.56×45 mm NATO, 5.45×39 mm and 5.8×42 mm DBP 87 rifle cartridges.A series of theoretical analyses were perfor...
2014, 34(5): 615-621.
doi: 10.11883/1001-1455(2014)05-0615-07
Abstract:
The study explored how to keep the reinforced concrete containment sealed and undamaged for the nuclear power plant subjected to a severe earthquake during the plant life.The propagation of seismic waves along the structure was analyzed.And based on ...
The study explored how to keep the reinforced concrete containment sealed and undamaged for the nuclear power plant subjected to a severe earthquake during the plant life.The propagation of seismic waves along the structure was analyzed.And based on ...
2014, 34(5): 622-629.
doi: 10.11883/1001-1455(2014)05-0622-08
Abstract:
Based on the Archard's theory, a mass abrasion model for the projectile was proposed by using the multi-scale method of analyzing from the microscopic plastic deformation to the macroscopic mass loss of the projectile.In combination of the dynamic sp...
Based on the Archard's theory, a mass abrasion model for the projectile was proposed by using the multi-scale method of analyzing from the microscopic plastic deformation to the macroscopic mass loss of the projectile.In combination of the dynamic sp...
2014, 34(5): 630-635.
doi: 10.11883/1001-1455(2014)05-0630-06
Abstract:
Penetration experiments were conducted to explore an expression formula for the stress endured by the nose of the projectile during cratering.To obtain the relation between penetration velocity and penetration depth, the relation between penetration ...
Penetration experiments were conducted to explore an expression formula for the stress endured by the nose of the projectile during cratering.To obtain the relation between penetration velocity and penetration depth, the relation between penetration ...
2014, 34(5): 636-640.
doi: 10.11883/1001-1455(2014)05-0636-05
Abstract:
The copper cylinder tests were carried out to explore the effects of the aluminum contents on the performances of aluminized RDX-based explosives.In the tests, the outer diameter of the copper cylinder was 50 mm and the mass fractions of aluminum in ...
The copper cylinder tests were carried out to explore the effects of the aluminum contents on the performances of aluminized RDX-based explosives.In the tests, the outer diameter of the copper cylinder was 50 mm and the mass fractions of aluminum in ...
