2019 Vol. 39, No. 3
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2019, 39(3): 032101.
doi: 10.11883/bzycj-2017-0458
Abstract:
In this paper we investigated the influence of the pre-ignition turbulence intensity on the explosion parameters of n-pentane mists. By using 0.4, 0.6 and 0.8 MPa of pneumatic pressure spray, we obtained n-pentane mists with the Sauter mean diameter ...
In this paper we investigated the influence of the pre-ignition turbulence intensity on the explosion parameters of n-pentane mists. By using 0.4, 0.6 and 0.8 MPa of pneumatic pressure spray, we obtained n-pentane mists with the Sauter mean diameter ...
2019, 39(3): 032102.
doi: 10.11883/bzycj-2017-0248
Abstract:
In order to investigate the propagation mode of rotating detonation wave in rotating detonation engine (RDE) with different annular gap width, the experiment was conducted on non-premixed RDE. During the experiment, high-frequency pressure transducer...
In order to investigate the propagation mode of rotating detonation wave in rotating detonation engine (RDE) with different annular gap width, the experiment was conducted on non-premixed RDE. During the experiment, high-frequency pressure transducer...
2019, 39(3): 032103.
doi: 10.11883/bzycj-2017-0396
Abstract:
Cast HMX/TNT/AL compositions are an aluminized explosive. In the present investigation of the deflagration to detonation transition of the cast HMX/TNT/AL compositions with a metal shell at fast thermal ignition, we constructed an experimental platfo...
Cast HMX/TNT/AL compositions are an aluminized explosive. In the present investigation of the deflagration to detonation transition of the cast HMX/TNT/AL compositions with a metal shell at fast thermal ignition, we constructed an experimental platfo...
2019, 39(3): 032201.
doi: 10.11883/bzycj-2018-0048
Abstract:
Compared to linear attenuation load calculation model, exponential attenuation load with transition expression was given to build equivalent SDOF differential equations under air blast loading. The expressions, which had relationship to transition du...
Compared to linear attenuation load calculation model, exponential attenuation load with transition expression was given to build equivalent SDOF differential equations under air blast loading. The expressions, which had relationship to transition du...
2019, 39(3): 033101.
doi: 10.11883/bzycj-2018-0015
Abstract:
The 100 mm split Hopkinson pressure bar was used to study the dynamic mechanical properties of the calcareous sand confined by confinement at strain rates ranging from 500 to 800 s−1 and pressures ranging from 0 to 200 MPa under different pre-pressur...
The 100 mm split Hopkinson pressure bar was used to study the dynamic mechanical properties of the calcareous sand confined by confinement at strain rates ranging from 500 to 800 s−1 and pressures ranging from 0 to 200 MPa under different pre-pressur...
2019, 39(3): 033102.
doi: 10.11883/bzycj-2017-0334
Abstract:
In order to solve the safety assessment of a buried pipeline nearby blasting operation location, a series of dynamic responses of the polyethylene (PE) pipe in high saturated clay under the action of the explosive wave were carried out. The experimen...
In order to solve the safety assessment of a buried pipeline nearby blasting operation location, a series of dynamic responses of the polyethylene (PE) pipe in high saturated clay under the action of the explosive wave were carried out. The experimen...
2019, 39(3): 033103.
doi: 10.11883/bzycj-2017-0405
Abstract:
Accurate measurement of the dynamic compressive performance of concrete and its strain rate enhancement effect is a key point in impact dynamics research. In this study, aiming at the dynamic compressive behavior test of concrete C110, we examined th...
Accurate measurement of the dynamic compressive performance of concrete and its strain rate enhancement effect is a key point in impact dynamics research. In this study, aiming at the dynamic compressive behavior test of concrete C110, we examined th...
2019, 39(3): 033201.
doi: 10.11883/bzycj-2017-0409
Abstract:
In order to investigate the effect of diaphragms thickness and combination on the maximum bearing pressure, the shock tube experiment was conducted on the PET diaphragms with different thicknesses. Two high-speed cameras were used to capture and reco...
In order to investigate the effect of diaphragms thickness and combination on the maximum bearing pressure, the shock tube experiment was conducted on the PET diaphragms with different thicknesses. Two high-speed cameras were used to capture and reco...
2019, 39(3): 033301.
doi: 10.11883/bzycj-2017-0047
Abstract:
In this paper, based on the projectile load analysis using the cavity expansion theory, we simplified the movement and deformation mode of the grooved-tapered projectile in the early stage of its oblique penetration into the concrete as the response ...
In this paper, based on the projectile load analysis using the cavity expansion theory, we simplified the movement and deformation mode of the grooved-tapered projectile in the early stage of its oblique penetration into the concrete as the response ...
2019, 39(3): 034101.
doi: 10.11883/bzycj-2017-0416
Abstract:
A new wavelength-time mapping linear chirped fiber Bragg grating (LCFBG) sensor is proposed, to resolve the problems in which the LCFBG needs to be entirely destroyed and be damaged accordingly to the reflective position for the longer wavelength pri...
A new wavelength-time mapping linear chirped fiber Bragg grating (LCFBG) sensor is proposed, to resolve the problems in which the LCFBG needs to be entirely destroyed and be damaged accordingly to the reflective position for the longer wavelength pri...
2019, 39(3): 034102.
doi: 10.11883/bzycj-2018-0058
Abstract:
In this paper, the strain growth of the flange bolts was observed in the experimental study of the dynamic response of the end cap and the bolts on the spherical explosive vessel. Numerical simulation based on the experiment was then carried out to d...
In this paper, the strain growth of the flange bolts was observed in the experimental study of the dynamic response of the end cap and the bolts on the spherical explosive vessel. Numerical simulation based on the experiment was then carried out to d...
2019, 39(3): 034201.
doi: 10.11883/bzycj-2017-0231
Abstract:
In this study we dealt with the robust non-fragile H∞ controller for the combustion process in liquid propellant rocket motor chambers. In developing a less conservative H∞ performance analysis criterion, we introduced a Lyapunov-Krasovskii functiona...
In this study we dealt with the robust non-fragile H∞ controller for the combustion process in liquid propellant rocket motor chambers. In developing a less conservative H∞ performance analysis criterion, we introduced a Lyapunov-Krasovskii functiona...
2019, 39(3): 035101.
doi: 10.11883/bzycj-2018-0053
Abstract:
In this study we established a simplified theoretical model of the distributed energy absorption system of trains with the influence of the propagation of elastic waves in the train carriage taken into account. Based on the one-dimensional stress wav...
In this study we established a simplified theoretical model of the distributed energy absorption system of trains with the influence of the propagation of elastic waves in the train carriage taken into account. Based on the one-dimensional stress wav...
2019, 39(3): 035103.
doi: 10.11883/bzycj-2018-0013
Abstract:
The property of continuous thickness or weight distributions plays an important even decisive role on the lightweight and performance design of an automotive body. The main study of safe design for continuous thickness components is to investigate on...
The property of continuous thickness or weight distributions plays an important even decisive role on the lightweight and performance design of an automotive body. The main study of safe design for continuous thickness components is to investigate on...
2019, 39(3): 035104.
doi: 10.11883/bzycj-2017-0429
Abstract:
In order to study the dynamic response and damage of the precast segmental pier under the impact of explosion, the three-dimensional separate models of the circular-section precast segmental bridge piers under explosion are established based on ANSYS...
In order to study the dynamic response and damage of the precast segmental pier under the impact of explosion, the three-dimensional separate models of the circular-section precast segmental bridge piers under explosion are established based on ANSYS...
2019, 39(3): 035401.
doi: 10.11883/bzycj-2017-0457
Abstract:
To find out about the explosion suppression performance and mechanism of a new micro-emulsified diesel fuel, we carried out experiments on the dispersal and cloud explosion of −10# diesel fuel, ordinary micro-emulsified diesel fuel and new micro-emul...
To find out about the explosion suppression performance and mechanism of a new micro-emulsified diesel fuel, we carried out experiments on the dispersal and cloud explosion of −10# diesel fuel, ordinary micro-emulsified diesel fuel and new micro-emul...
2019, 39(3): 035102.
doi: 10.11883/bzycj-2018-0181
Abstract:
To improve the blast resistance of reinforced concrete (RC) beam, an efficient design method was proposed that bending the longitudinal bar as a wave at an appropriate location in the beam. Combing the experimental results and calculation of finite e...
