Results 11 to 20 of about 6,686 (260)

Study on the Influence of Initiation Model on the Forming Characteristics of MEFP Warhead

Shock and Vibration, 2021
To study the influence of different initiation modes on the forming characteristics of the MEFP warhead, numerical simulations were carried out on three types of initiation modes.
Guangsong Ma, Guanglin He, Zenghui Qiao, Yulong Zhang   +3 more
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In situ measurement of the particle size distribution of the fragmentation product of laser-shock-melted aluminum using in-line picosecond holography

AIP Advances, 2016
The dynamic fragmentation of shock-melted metal is a topic of increasing interest in shock physics. However, high-quality experimental studies of the phenomenon are limited, and data that are essential for developing predictive models of the phenomenon ...
Ying-Hua Li, Yu Zhao, Xue-Mei Li, Zu-Gen Zhang, Xiang-Ping Ye, Jie Zhong, Ling-Cang Cai, Lin Zhang   +7 more
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Special Cases of Using Visualization Technology for Analyzing the Dynamics of Gaseous Environment

Fluids, 2021
A new visualization technology is presented, which was used in applied research when observing and modeling the dynamics of the flow of gaseous environments.
Mikhail Sotskiy, Denis Levin, Victor Selivanov   +2 more
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A Submicrosecond-Response Ultrafast Microwave Ranging Method Based on Optically Generated Frequency-Modulated Pulses

Sensors
An ultrafast microwave ranging method based on optically generated frequency-modulated microwave pulses is proposed in this study. The theoretical analysis demonstrated that nanosecond-scale linear frequency modulation microwave pulse can be obtained by ...
Yifei Sun, Yongchao Chen, Longhuang Tang, Xing Jia, Heli Ma, Xiang Wang, Long Chen, Shenggang Liu, Tianjiong Tao, Jian Wu, Chengjun Li, Shuanyu Liu, Weilu Chen, Wei Gu, Jia Shi, Jidong Weng   +15 more
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Accurate equation of state of rhenium as pressure scale up to 130 GPa and 3200 K

AIP Advances, 2022
The equations of states (EOSs) of inert metals are generally used as pressure scales in a high-pressure experiment. However, the thermodynamic model and the method used to constrain the parameters of the EOSs of these metals may cause pressure deviations
Yunting Xian, Shikai Xiang, Lei Liu, Junxiang Chen, Yin Luo   +4 more
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Stationary Mach Configurations with Pulsed Energy Release on the Normal Shock

Fluids, 2021
We obtained a theoretical analysis of stationary Mach configurations of shock waves with a pulsed energy release at the main (normal) shock and a corresponding change in gas thermodynamic properties.
Mikhail V. Chernyshov, Anna S. Kapralova, Stanislav A. Matveev, Karina E. Savelova   +3 more
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Upconversion Photonic Doppler Velocimetry Based on Stimulated Brillouin Scattering

Photonics
Optical up-conversion photonic Doppler velocimetry (PDV) based on stimulated Brillouin Scattering (SBS) with an all-fiber link structure is proposed in this article. Because SBS limits the laser power transmitted by a fiber over long distances, the probe
Long Chen, Cangli Liu, Heli Ma, Longhuang Tang, Xing Jia, Tianjiong Tao, Shenggang Liu, Yongchao Chen, Xiang Wang, Jian Wu, Chengjun Li, Jidong Weng   +11 more
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DESIGN FEATURES OF ENGINES WITH PULSED DETONATION CAMERAS

Авіаційно-космічна техніка та технологія, 2020
The pressure of the products of chemical reactions in the chamber of a rocket engine increases significantly if the rocket fuel components burn in the detonation mode.
Олександр Євгенович Золотько, Олена Василівна Золотько, Олександра Валеріївна Сосновська, Олександр Сергійович Аксьонов, Ірина Сергіївна Савченко   +4 more
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Measurement of Ultra-High Speed by Optical Multistage Cascade Frequency Reduction Technology

Applied Sciences
In order to reduce the frequency of high-frequency Doppler signal light, the electronic bandwidth of a data acquisition system is reduced. This paper mainly describes the principle and experimental verification results of optical multistage cascade ...
Heli Ma, Long Chen, Wei Gu, Cangli Liu, Longhuang Tang, Xing Jia, Tianjiong Tao, Shenggang Liu, Yongchao Chen, Xiang Wang, Jian Wu, Chengjun Li, Dameng Liu, Jidong Weng, Huan Liu   +14 more
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Predicted reentrant melting of dense hydrogen at ultra-high pressures

Scientific Reports, 2016
The phase diagram of hydrogen is one of the most important challenges in high-pressure physics and astrophysics. Especially, the melting of dense hydrogen is complicated by dimer dissociation, metallization and nuclear quantum effect of protons, which ...
Hua Y. Geng, Q. Wu
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