PLASMA_SHEATH

作品数:71被引量:32H指数:3
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Effect of attack angle on the electromagnetic wave transmission characteristics in the hypersonic plasma sheath of a re-entry vehicle
《Plasma Science and Technology》2024年第12期49-62,共14页Xin AI Qiuyue NIE Zhonglin ZHANG Peiqi CHEN Shulei ZHENG Changshi YAN Guoqiang WEI 
supported by National Natural Science Foundation of China(Nos.92271202 and 92371105)。
The attack angle may greatly affect the hypersonic plasma sheaths around the re-entry vehicle,thereby affecting the transmission characteristics of electromagnetic(EM)waves in the sheaths.In this paper,we propose an i...
关键词:attack angle hypersonic plasma sheath re-entry vehicle transmission characteristics 
Nonstationary channel model of reentry plasma sheath for spacecraft: Overview, parameter estimation, and perspective
《Chinese Journal of Aeronautics》2024年第10期26-49,共24页Lei SHI Zongyuan LIU Weimin BAO Bo YAO Yifan WANG Xiaoping LI Yanming LIU Fangyan LI 
supported by the National Natural Science Foundation of China(Nos.62371375,62371372,62101406 and 62001340);Innovation Capability Support Program of Shaanxi,China(No.2022TD-37);the Fundamental Research Funds for Central Universities,China(Nos.XJS221302 and QTZX23060).
The Tracking,Telemetering,and Command(TT&C)communication of spacecraft faces severe limitations during reentry.The Electromagnetic(EM)propagation channel is influenced by changes in the flight state and fluid dynamics...
关键词:SPACECRAFT Plasma sheaths Electromagnetic wave transmission Communication channels Channel estimation 
Characteristics of the electromagnetic wave propagation in magnetized plasma sheath and practical method for blackout mitigation
《Chinese Physics B》2024年第5期489-499,共11页吴翔 张珈珲 董果香 石磊 
Project supported by the National Natural Science Foundation of China(Grant Nos.12275202,62371372,62101406,and 62001340);China Postdoctoral Science Foundation(Grant Nos.2022M71490 and 2020M673341);the Innovation Capability Support Program of Shaanxi Province,China(Grant No.2022TD-37);the Natural Science Basic Research Program of Shaanxi Province,China(Grant No.2023JC-YB-549)。
“Magnetic window”is considered as an effective method to solve the communication blackout issue.COMSOL software package based on the finite element method is utilized to simulate the propagation of right-handed circ...
关键词:magnetized plasma sheath communication blackout finite element incident angle whistler wave 
Study of a collisionless magnetized plasma sheath with nonextensively distributed species
《Plasma Science and Technology》2023年第12期14-23,共10页R PAUL K DEKA G SHARMA R MOULICK S ADHIKARI S S KAUSIK B K SAIKIA 
A weakly magnetized sheath for a collisionless, electronegative plasma comprising positive ions,electrons, and negative ions is investigated numerically using the fluid approach. The electrons are considered to be non...
关键词:magnetised plasma sheath electronegative plasma non-extensive distribution 
Difference analysis in terahertz wave propagation in thermochemical nonequilibrium plasma sheath under different hypersonic vehicle shapes被引量:1
《Chinese Journal of Aeronautics》2023年第10期137-151,共15页Wenchong OUYANG Qi LIU Zhengwei WU 
the Joint Laboratory of Plasma Application Technology Funding,China(No.JL06120001H);the Key R&D Plan of Anhui Province,China(No.201904a07020013).
Research on terahertz communication under different vehicles has important guiding significance for the design of future hypersonic vehicle and Radio Frequency(RF)blackout.In this paper,a joint simulation model of pla...
关键词:Hypersonic vehicles Plasma flow Plasma sheaths Shape optimization Terahertz waves Wave propagation 
Characteristics of the plasma sheath in helium discharge within dielectric tubes
《Plasma Science and Technology》2023年第4期79-92,共14页吴淑群 郭玥 欧阳帆 周保伟 胡彪 程鹤 
supported by National Natural Science Foundation of China(No.51977110)。
To understand the characteristics of the plasma sheath within small tubes,a 2D numerical model of He discharge within dielectric tubes is developed.During plasma propagation for a tube diameter of 0.05 mm,the sheath t...
关键词:plasma sheath plasma modification helium discharge ion flux plasma jet 
Modeling of magnetized collisional plasma sheath with nonextensive electron distribution and ionization source
《Plasma Science and Technology》2023年第3期21-31,共11页陈龙 杨叶慧 安宇豪 段萍 孙少娟 崔作君 阚子晨 高维富 
supported by National Natural Science Foundation of China(Nos.11975062,11605021 and 11975088);the China Postdoctoral Science Foundation(No.2017M621120)。
The properties of an atmospheric-pressure collisional plasma sheath with nonextensively distributed electrons and hypothetical ionization source terms are studied in this work. The Bohm criterion for the magnetized pl...
关键词:plasma sheath Bohm criterion NONEXTENSIVITY ionization source 
On the electron sheath theory and its applications in plasma–surface interactions
《Plasma Science and Technology》2022年第9期52-67,共16页Guangyu SUN Shu ZHANG Anbang SUN Guanjun ZHANG 
the auspices of National Natural Science Foundation of China(Nos.51827809,52077169);the National Key R&D Program of China(No.2020YFC2201100)。
In this work,an improved understanding of electron sheath theory is provided using both fluid and kinetic approaches while elaborating on their implications for plasma–surface interactions.A fluid model is proposed c...
关键词:plasma–surface interaction plasma sheath secondary electron emission Child–Langmuir law 
Adaptive protograph-based BICM-ID relying on the RJ-MCMC algorithm:a reliable and efficient transmission solution for plasma sheath channels被引量:1
《Plasma Science and Technology》2022年第4期96-105,共10页Yanming LIU Hailiang WEI Lei SHI Bo YAO 
financial support from National Natural Science Foundation of China(Nos.61871302,62101406 and 62001340);the Fundamental Research Funds for the Central Universities(No.JB211311)。
For reentry communication,owing to the influence of the highly dynamic plasma sheath(PS),the parasitic modulation effect can occur and the received phase shift keying(PSK)signal constellation can be severely rotated,l...
关键词:plasma sheath BICM-ID Markov model joint demodulation and decoding 
Analysis of the influence of sheath positions,flight parameters and incident wave parameters on the wave propagation in plasma sheath
《Plasma Science and Technology》2022年第3期33-40,共8页Qifan ZHANG Yiping HAN Qinlu DONG Chang DONG 
The plasma sheath covering hypersonic vehicles has a significant effect on the propagation of electromagnetic waves.Based on the calculation of the flow field of a conical cylindrical,this work studies the propagation...
关键词:plasma sheath reflection and transmission flow field 
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