基于高温气体效应的磁流体流动控制研究进展
RESEARCH PROGRESS ON MAGNETOHYDRODYNAMIC FLOWCONTROL UNDER TEST CONDITIONS WITH HIGH TEMPERATURE REAL GAS EFFECT
查看参考文献116篇
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文摘
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高超声速飞行器强激波后高温气体形成具有导电性的等离子体流场,电离气体为磁场应用提供了直接工作环境.磁流体控制技术利用外加磁场影响激波后的离子或电子运动规律,可有效地改善高超声速飞行器气动特性,在飞行器气动力操控和热环境管理等方面均具有广阔的应用前景;同时,超导材料及电磁技术的发展又重新推动了这一领域的研究热潮.虽然国内外在高超声速磁流体流动控制领域已开展了一些研究工作,但其实验研究依然极具挑战,且由于实验条件及测量技术等限制,其压力、热流等参数的测量并没有得出较为系统的结论,因此需要对影响脱体激波距离、热流、压力变化的规律及机理进行深入研究;同时,数值模拟方法和理论分析也亟待可靠的实验数据来对其进行验证.本综述调研和讨论了基于高温真实气体效应的磁流体流动控制技术研究,主要针对磁流体流动控制的试验技术、数值模拟、理论方法以及流动控制的主要研究方向等进行了总结,并对其发展趋势进行了讨论和展望. |
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其他语种文摘
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High speed and shock compression behind the bow shock of an aircraft head result in very high temperature, which would subsequently lead to a conductivity plasma flowfield around the vehicle. The plasma gas provides a direct working environment for the application of magnetic field. The magnetohydrodynamic (MHD) flow control, which uses the magnetic field to alter the trajectory of ions or electrons, can improve the aerodynamic characteristics of hypersonic vehicles effectively. It has potential prospects on aerodynamic force control and aerodynamic heating management. Besides, the development of superconducting materials and electromagnetic technology contribute to a great upsurge of MHD flow control research significantly. Although research work has been carried out in the field of MHD flow control at home and abroad, its experimental investigation is still challenging. And for the measurement of pressure and heat flux, there is no systematic conclusion because of the limited test conditions and measurement techniques. The results of different researchers may be different from each other and from the theoretical results and numerical simulations. Thus, the influence on the shock stand-off distance, pressure and heat flux under MHD flow control deserves an in-depth investigation. Besides, the numerical simulations and theoretical methods do also need reliable experimental data for variation. The aim of this review paper is to summarize and discuss the developments on MHD flow control technology based on high temperature real gas effect, including the experimental technique, numerical method, and the influence rules and dynamics mechanism of MHD flow control. Its development trend is also discussed and prospected in the paper. |
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来源
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力学学报
,2021,53(6):1515-1531 【核心库】
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DOI
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10.6052/0459-1879-21-067
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关键词
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高超声速
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高温真实气体效应
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磁流体动力学
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流动控制
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气动力/热
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地址
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1.
中国科学院力学研究所, 高温气体动力学国家重点实验室, 北京, 100190
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中国科学院大学工程科学学院, 北京, 100049
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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0459-1879 |
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学科
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力学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:7055945
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