2023 Vol. 43, No. 2
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2023, 43(2): 022101.
doi: 10.11883/bzycj-2022-0068
Abstract:
To investigate the influence of the initial droplet diameter on the flow field of gas-liquid two-phase rotating detonation engine, an Eulerian-Lagrangian model of unsteady two-phase detonation is established based on the assumption of an initially un...
To investigate the influence of the initial droplet diameter on the flow field of gas-liquid two-phase rotating detonation engine, an Eulerian-Lagrangian model of unsteady two-phase detonation is established based on the assumption of an initially un...
2023, 43(2): 022301.
doi: 10.11883/bzycj-2022-0188
Abstract:
The effects of different diminished ambient pressure, temperature and altitude from sea level on blast wave parameters (overpressure, impulse and wave front trajectory) were investigated by employing the dimensional analysis theory and the AUTODYN so...
The effects of different diminished ambient pressure, temperature and altitude from sea level on blast wave parameters (overpressure, impulse and wave front trajectory) were investigated by employing the dimensional analysis theory and the AUTODYN so...
2023, 43(2): 023101.
doi: 10.11883/bzycj-2022-0203
Abstract:
One of the fundamental scientific problems of dynamic fracture of ductile metals is spallation of low melting point metals. The classical spallation and micro-spallation of single-crystal (SC) and nanocrystal (NC) tin were carried out using the non-e...
One of the fundamental scientific problems of dynamic fracture of ductile metals is spallation of low melting point metals. The classical spallation and micro-spallation of single-crystal (SC) and nanocrystal (NC) tin were carried out using the non-e...
2023, 43(2): 023201.
doi: 10.11883/bzycj-2022-0189
Abstract:
Based on the working mechanism of local resonance materials, a filter concrete with stress wave attenuation characteristics is designed by embedding metal balls wrapped with elastic layer (filter units) in the concrete matrix. First, the stress wave ...
Based on the working mechanism of local resonance materials, a filter concrete with stress wave attenuation characteristics is designed by embedding metal balls wrapped with elastic layer (filter units) in the concrete matrix. First, the stress wave ...
2023, 43(2): 023202.
doi: 10.11883/bzycj-2022-0196
Abstract:
The study of thermal-mechanical coupling mechanism is of great significance to deep rock engineering such as rock tunnel fire, nuclear waste treatment and geothermal development. To investigate the effect of high temperature on the impact mechanical ...
The study of thermal-mechanical coupling mechanism is of great significance to deep rock engineering such as rock tunnel fire, nuclear waste treatment and geothermal development. To investigate the effect of high temperature on the impact mechanical ...
2023, 43(2): 023203.
doi: 10.11883/bzycj-2022-0202
Abstract:
In order to improve the uniformity of the fragments of the fragmentation warhead and enhance the axial lethality of the warhead, it was proposed to use a wave shape controller to control the scattering direction of the fragments. The shape of the wav...
In order to improve the uniformity of the fragments of the fragmentation warhead and enhance the axial lethality of the warhead, it was proposed to use a wave shape controller to control the scattering direction of the fragments. The shape of the wav...
2023, 43(2): 023301.
doi: 10.11883/bzycj-2022-0435
Abstract:
The blast resistance of sacrificial cladding has been extensively studied in the field of blast protection. As a polymer material with a cellular structure, non-water reactive foaming polyurethane also has the potential to act as a sacrificial claddi...
The blast resistance of sacrificial cladding has been extensively studied in the field of blast protection. As a polymer material with a cellular structure, non-water reactive foaming polyurethane also has the potential to act as a sacrificial claddi...
2023, 43(2): 023302.
doi: 10.11883/bzycj-2022-0294
Abstract:
To meet the requirements of a tandem penetrating warhead for high penetration depth and large perforation, a jetting projectile charge (JPC) was designed. The damage test of a large-scale reinforced concrete wall was carried out to analyze the impact...
To meet the requirements of a tandem penetrating warhead for high penetration depth and large perforation, a jetting projectile charge (JPC) was designed. The damage test of a large-scale reinforced concrete wall was carried out to analyze the impact...
2023, 43(2): 024101.
doi: 10.11883/bzycj-2022-0160
Abstract:
The expanding ring experimental technology mainly refers to the explosion expanding ring and the electromagnetic expanding ring experimental technology. During the experiment, the loading strain rate of the expansion ring decreases rapidly with the e...
The expanding ring experimental technology mainly refers to the explosion expanding ring and the electromagnetic expanding ring experimental technology. During the experiment, the loading strain rate of the expansion ring decreases rapidly with the e...
2023, 43(2): 024201.
doi: 10.11883/bzycj-2022-0155
Abstract:
The self-driven rotary sprayer using ultra-high-pressure water jet is widely used in the rust removal of ship hulls, and its layout directly affects the efficiency and quality of ship derusting. Hitherto, the design of sprayer layout primarily depend...
The self-driven rotary sprayer using ultra-high-pressure water jet is widely used in the rust removal of ship hulls, and its layout directly affects the efficiency and quality of ship derusting. Hitherto, the design of sprayer layout primarily depend...
2023, 43(2): 025201.
doi: 10.11883/bzycj-2022-0081
Abstract:
To explore the influences of the opening angle of bilinear shaped charge on the effective utilization rate and energy gathering effect, the boundary equation of effective shaped charge was deduced through the theory of instantaneous detonation hypoth...
To explore the influences of the opening angle of bilinear shaped charge on the effective utilization rate and energy gathering effect, the boundary equation of effective shaped charge was deduced through the theory of instantaneous detonation hypoth...
2023, 43(2): 025401.
doi: 10.11883/bzycj-2022-0174
Abstract:
By using a self-designed 5.00-m-long duct with a cross-section of 0.30 m × 0.30 m, a seris of experiments were performed on premixed hydrogen-air gases in which volume fraction of hydrogen was 30%. And the effects of vent burst pressure (pv) on the f...
By using a self-designed 5.00-m-long duct with a cross-section of 0.30 m × 0.30 m, a seris of experiments were performed on premixed hydrogen-air gases in which volume fraction of hydrogen was 30%. And the effects of vent burst pressure (pv) on the f...
2023, 43(2): 025402.
doi: 10.11883/bzycj-2021-0531
Abstract:
The shock waves and flame produced by explosions of methane (CH4) and other combustible gas explosion can cause huge casualties and property damage. Therefore, the explosion-proof isolating technologies have always been a hotspot in the fields of ind...
The shock waves and flame produced by explosions of methane (CH4) and other combustible gas explosion can cause huge casualties and property damage. Therefore, the explosion-proof isolating technologies have always been a hotspot in the fields of ind...
