高压物理学报

An Instrument Design of High-Pressure Optical Cell and Its Implication in Experimental Research

ZHU Rui-Bin, LIU Wei-Long, SONG Yun-Fei, WANG Wei, ZHANG Fu-Chang, LUO Li-Jun, WANG Wen-Tian, JIA Pei-Qi, LIU Xiao-Yang, YANG Yan-Qiang, SU Wen-Hui

2012, 26(5): 481-486. doi: 10.11858/gywlxb.2012.05.001

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Abstract:
An instrument design of a high-pressure optical cell system for in situ detection of aqueous samples was reported, including a manual pump, a pressure multiplier, and a high-pressure cell. The cell with three optical windows can be used within a pressure range of up to 600 MPa, using water as the pr...

Experimental and Numerical Simulation Study of Penetration into Multi-Layer Target by Shaped Charge with Different Liner Materials

KANG Yan-Long, JIANG Jian-Wei, WANG Shu-You, MEN Jian-Bing

2012, 26(5): 487-493. doi: 10.11858/gywlxb.2012.05.002

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Abstract:
To investigate the large penetrated hole's performance of shaped charge against multi-layer target, a titanium alloy liner of shaped charge is proposed. Using the method of experimental and numerical simulation, the jet formation and penetration into multi-layer target are investigated. Difference a...

Characteristics of Flow-Field and Sagging Damage of Free-Free Beam Subjected to Underwater Explosion Bubbles

LI Hai-Tao, ZHU Shi-Jian, DIAO Ai-Min, HE Qi-Wei

2012, 26(5): 494-500. doi: 10.11858/gywlxb.2012.05.003

PDF (421)

Abstract:
In order to probe into the damage mode and its mechanisms, a box-like beam was designed, and numerical analysis and experimental verification were carried out. In the discussions, how vertical bending load forms was investigated, and the properties of flow-field were analyzed in details when explosi...

On the Mechanism of Non-spherical Underwater Explosion Bubble Collapse

HUANG Chao, WANG Bin, LIU Cang-Li, ZHANG A-Man, YAO Xiong-Liang

2012, 26(5): 501-507. doi: 10.11858/gywlxb.2012.05.004

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Abstract:
Experiment and simulation of cylindrical charge underwater explosion bubble motion has been conducted to investigate the collapse mechanism of non-spherical bubble and the behavior of its jet. The experimental results were compared against the numerical results for different configurations of charge...

Experimental and Numerical Study on the Formation and Penetration Properties of Dual-Mode Warhead

JI Chong, LONG Yuan, YU Dao-Qiang, ZHOU Xiang, ZHANG Yang-Yi

2012, 26(5): 508-516. doi: 10.11858/gywlxb.2012.05.005

PDF (522)

Abstract:
We studied an optional/dual-mode warhead with an ejectable cross-shaped cutting reseau fixed at a proper place before the liner to realize multi-function of ammunition based on 60 mm arc-cone liner Explosive Formed Projectile (EFP) charge configuration. The optional/dual-mode warhead can change the ...

Research of Energy Release Law of Explosive Blasting in Concrete

WANG Meng, MA Tian-Bao, NING Jian-Guo

2012, 26(5): 517-522. doi: 10.11858/gywlxb.2012.05.006

PDF (550)

Abstract:
Based on parallel computation of explosive blasting in concrete and analysis of the numerical result as well as study on the foundational theory of explosion mechanics, a conclusion has been drawn that in the process of explosive blasting in rocks, explosive energy is released by way of shock waves ...

Application Research of Jet Impact-Model in an Underwater Explosion Experiment

CUI-Jie, LI Shi-Ming, HUANG Chao, YAO Xiong-Liang, ZHANG A-Man

2012, 26(5): 523-530. doi: 10.11858/gywlxb.2012.05.007

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Abstract:
In order to study the damage effect of ship structure subjected to jet impacting, characteristic of jet loading was investigated theoretically and numerically. A jet impact-model was verified based on a ship cabin model underwater explosion test. An analysis was made by combining the calculation res...

Study on Dynamic Mechanical Properties and Energy Absorption of Polymeric Foams

YAO Xiao-Hu, REN Hui-Lan, LIN Rong, ZHANG Xiao-Qing

2012, 26(5): 531-536. doi: 10.11858/gywlxb.2012.05.008

PDF (817)

Abstract:
Foaming polyethylene (EPE) and foamed polypropylene (EPP) were tested in drop0weight experiments to study the dynamic mechanical behavior of polymeric foams. With the proposal of a method to obtain stress0strain curve under certain strain rate, constitutive model of EPE was established in Low Densit...

Features of Energy Distribution of Underwater Target by Underwater Explosion

LI Wan, ZHANG Zhi-Hua, CHEN Cang-Hai, LIU Tian-Hua

2012, 26(5): 537-544. doi: 10.11858/gywlxb.2012.05.009

PDF (428)

Abstract:
Based on the experimental data of an underwater target bombed by underwater explosion, the energy was studied by means of monitoring interior acceleration signals and wavelet packet analysis with high resolvability and localization. By using the monitored signals, the time-frequency distributions an...

Effects of Different Grounds on the Loading Characteristics of Limited Underwater Explosion from a Bottom Charge

YANG Li, WANG Yu, HUANG Chao, WANG Bin

2012, 26(5): 545-550. doi: 10.11858/gywlxb.2012.05.010

PDF (484)

Abstract:
In order to research the effects of different grounds on the shock wave propagation and the general laws of the bubble motion of underwater explosion from a bottom charge, principle experiments of underwater explosion were conducted in a water tank. Several physical phenomena observed such as bubble...

Effects of Composite Armor with Different Rubber Sandwich Thickness against the Shaped Charge Jet Penetration

ZU Xu-Dong, HUANG Zheng-Xiang, JIA Xin, XIAO Qiang-Qiang

2012, 26(5): 551-556. doi: 10.11858/gywlxb.2012.05.011

PDF (569)

Abstract:
The particle velocity of the rubber composite armor and the mechanism of the armor interfering with the shaped charge jet were studied by analyzing the wave propagation rules in the armor. The fracture model of shaped charge jet affected by the rubber composite armor was put forward based on the jet...

Damage Investigation of Hypervelocity Impact on Woven Fabric of Basalt Fiber

HA Yue, LIU Zhi-Yong, GUAN Gong-Shun, PANG Bao-Jun

2012, 26(5): 557-563. doi: 10.11858/gywlxb.2012.05.012

PDF (424)

Abstract:
It is feasible to develop a shield with high strength fiber materials in order to protect spacecraft against space debris's impacts. Basalt fiber is one of the high strength materials being noticed in recent years. The aim of this study was to probe into the macro-damage property on perforation and ...

Numerical Investigations on Acceleration of Projectile in Post-Effect Period

GUO Ze-Qing, JIANG Xiao-Hai, WANG Yang

2012, 26(5): 564-570. doi: 10.11858/gywlxb.2012.05.013

PDF (514)

Abstract:
After exiting the muzzle, the projectile continues being accelerated to maximum velocity by the propellant flow. The increasing of velocity in post-effect period has a great influence in the design of weapons and weapon firing precision. The process of firing under different conditions was numerical...

Comparison of Multi-Channel VISAR and Electric Probe Technology in Measuring Free-Surface Velocity of Metal Flyer

JIN Shan, CHEN Yong-Tao, TANG Tie-Gang, PENG Qi-Xian, MENG Jian-Hua

2012, 26(5): 571-576. doi: 10.11858/gywlxb.2012.05.014

PDF (542)

Abstract:
Parameters of high speed object are often measured by multi-channel velocity interferometer system for any reflector (VISAR) or electric probe technology. In order to validate experimental results, and analyze test system factors affecting measurement precision, the free-surface velocity history of ...

Experimental Technique of Underwater Energy on TATB-based Explosive

WANG Bin, ZHANG Yuan-Ping, WANG Yan-Ping

2012, 26(5): 577-582. doi: 10.11858/gywlxb.2012.05.015

PDF (438)

Abstract:
The booster of explosive which has large mass and can produce high detonation pressure was used in the underwater explosion experiments to accurately measuring the energy of TBL, a kind of inertia high energy explosive based on TATB. The result shows that the energy of booster from the underwater ex...

Experimental Study on Safety of Explosive with Rocket Sled

ZHAO Ji-Bo, TAN Duo-Wang, LI Tao, ZHANG Yuan-Ping

2012, 26(5): 583-589. doi: 10.11858/gywlxb.2012.05.016

PDF (367)

Abstract:
Explosive configuration of PBX-1 was impacted by dual rail sled loading target, PVDF and quartz gauges were used to test the incident and reacted pressure in explosive. Intuitionistic image and detail of impact between target and configuration were recorded by digital and frame cameras. The curves o...

Erosion Characteristics and Mechanisms of Cavitating Abrasive Water Jet under Confining Pressure

LIAO Hua-Lin, NIU Ji-Lei, YI Can

2012, 26(5): 590-594. doi: 10.11858/gywlxb.2012.05.017

PDF (559)

Abstract:
Abrasive water jet is widely used in water resources and architectural engineering, oil and gas engineering and marine resources development. It is significant to study the erosion characteristics of the jet and material destruction mechanisms to improve the efficiency of water jet. Using the self-...

Effect of Pressure Combined with Metal Ions on Polyphenol Oxidase (PPO) Activity from Raspberry

GONG Wu-Xia, LI Shu-Yan, JIANG Jun, CHEN Fang, ZHANG Yan, HU Xiao-Song, WU Ji-Hong

2012, 26(5): 595-600. doi: 10.11858/gywlxb.2012.05.018

PDF (486)

Abstract:
The activity of polyphenol oxidase from red raspberry treated at 600 MPa for 45 min is even up to 40%, indicating strong pressure resistance. In order to further inactivate polyphenol oxidase from red raspberry, the combination effect of high hydrostatic pressure and metal ions on polyphenol oxidase...

2012 Vol. 26, No. 5

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