2020 Vol. 40, No. 4
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2020, 40(4): 041101.
doi: 10.11883/bzycj-2020-0082
Abstract:
Pulse waves cannot be understood simply as pressure waves (longitudinal waves) propagating in compressible blood fluid, nor as radially expanding-contracting displacement waves (transverse waves) propagating along solid blood vessels, but rather as c...
Pulse waves cannot be understood simply as pressure waves (longitudinal waves) propagating in compressible blood fluid, nor as radially expanding-contracting displacement waves (transverse waves) propagating along solid blood vessels, but rather as c...
2020, 40(4): 042101.
doi: 10.11883/bzycj-2019-0106
Abstract:
After the gas explosion, preventing the propagation of explosion flame can better eliminate the disaster. In this paper, three kinds of nitrogen nozzle arrangement are set to carry out experiments for explosion prevention. The nitrogen pressures used...
After the gas explosion, preventing the propagation of explosion flame can better eliminate the disaster. In this paper, three kinds of nitrogen nozzle arrangement are set to carry out experiments for explosion prevention. The nitrogen pressures used...
2020, 40(4): 042102.
doi: 10.11883/bzycj-2019-0237
Abstract:
Hydrogen-doped fuel has gradually become the focus of research due to its excellent combustion characteristics. In order to further study the detonation characteristics of hydrogen-doped fuel, a cylindrical semi-enclosed tube with the length of 3 000...
Hydrogen-doped fuel has gradually become the focus of research due to its excellent combustion characteristics. In order to further study the detonation characteristics of hydrogen-doped fuel, a cylindrical semi-enclosed tube with the length of 3 000...
2020, 40(4): 042201.
doi: 10.11883/bzycj-2019-0268
Abstract:
This work aims at the explosion problem in long-distance gas pipelines. An experimental study on the influence of ultrafine water mist with NaCl on the gas explosion characteristics of pipes with different blocking ratios was carried out in a self-bu...
This work aims at the explosion problem in long-distance gas pipelines. An experimental study on the influence of ultrafine water mist with NaCl on the gas explosion characteristics of pipes with different blocking ratios was carried out in a self-bu...
2020, 40(4): 042301.
doi: 10.11883/bzycj-2019-0239
Abstract:
In order to study the reaction characteristics of reactive materials under explosive loading, two typical reactive materials, namely Al/PTFE and Al/Ni, as well as two inert materials, namely Al2O3/PTFE and Al2O3/PTFE/W, were manufactured by powder co...
In order to study the reaction characteristics of reactive materials under explosive loading, two typical reactive materials, namely Al/PTFE and Al/Ni, as well as two inert materials, namely Al2O3/PTFE and Al2O3/PTFE/W, were manufactured by powder co...
2020, 40(4): 042302.
doi: 10.11883/bzycj-2019-0260
Abstract:
To solve the premature-combustion problem of FAE fuel during the dispersal process by explosive, fire retardant medium with superfine ABC powder as the main component was introduced along with the structural design of central dispersed explosive. Hig...
To solve the premature-combustion problem of FAE fuel during the dispersal process by explosive, fire retardant medium with superfine ABC powder as the main component was introduced along with the structural design of central dispersed explosive. Hig...
2020, 40(4): 043301.
doi: 10.11883/bzycj-2019-0280
Abstract:
In order to improve the crashworthiness of thin-walled tubes, the multi-cell bionic thin-walled tubes based on a shrimp chela structure were designed by the principle of structural bionics. By taking the cell number (2−6) and the impact angle (0°, 10...
In order to improve the crashworthiness of thin-walled tubes, the multi-cell bionic thin-walled tubes based on a shrimp chela structure were designed by the principle of structural bionics. By taking the cell number (2−6) and the impact angle (0°, 10...
2020, 40(4): 043302.
doi: 10.11883/bzycj-2019-0207
Abstract:
In order to evaluate the effect of blasting vibration on an adjacent concrete pipeline with bell-and-spigot joints buried in a silty clay layer, four blasting field experiments were conducted by applying the DH5956 dynamic strain testing system and T...
In order to evaluate the effect of blasting vibration on an adjacent concrete pipeline with bell-and-spigot joints buried in a silty clay layer, four blasting field experiments were conducted by applying the DH5956 dynamic strain testing system and T...
2020, 40(4): 043303.
doi: 10.11883/bzycj-2019-0293
Abstract:
By coupling the implicit static analysis and the explicit dynamic analysis in ABAQUS, a numerical method to simulate the lateral impact process of concrete filled steel tubular (CFST) member in fire is presented. The tests about temperature field, th...
By coupling the implicit static analysis and the explicit dynamic analysis in ABAQUS, a numerical method to simulate the lateral impact process of concrete filled steel tubular (CFST) member in fire is presented. The tests about temperature field, th...
2020, 40(4): 044201.
doi: 10.11883/bzycj-2019-0151
Abstract:
The reinforced concrete (RC) shield building is the first external defense layer of AP1000 structure. Therefore, the safety and integrity must be ensured during the plant life in any conditions such as the blast loading. In this study, the coupled Eu...
The reinforced concrete (RC) shield building is the first external defense layer of AP1000 structure. Therefore, the safety and integrity must be ensured during the plant life in any conditions such as the blast loading. In this study, the coupled Eu...
2020, 40(4): 045101.
doi: 10.11883/bzycj-2019-0126
Abstract:
In order to obtain the suitable structure of the metal diaphragm in the double-pulse engine compartment, this study used the Johnson-Cook material damage model to numerically simulate the pressure-bearing and rupture process of metal diaphragms of di...
In order to obtain the suitable structure of the metal diaphragm in the double-pulse engine compartment, this study used the Johnson-Cook material damage model to numerically simulate the pressure-bearing and rupture process of metal diaphragms of di...
2020, 40(4): 045201.
doi: 10.11883/bzycj-2019-0092
Abstract:
Accurate removal of signal trend items is of practical importance for improving the accuracy of blasting vibration signal analysis. Here, aiming at the defects of EMD identification, such as mode aliasing and terminal effect, a method based on variat...
Accurate removal of signal trend items is of practical importance for improving the accuracy of blasting vibration signal analysis. Here, aiming at the defects of EMD identification, such as mode aliasing and terminal effect, a method based on variat...
