HYPERSONIC

作品数：211被引量：747H指数：13
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相关领域：航空宇航科学技术更多>>
相关作者：向先宏朱呈祥陈前黄国平陈怀海更多>>
相关机构：北京航空航天大学南京航空航天大学中国航空工业空气动力研究院清华大学更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划中国航空科学基金中国博士后科学基金更多>>
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A Machine Learning Rapid Prediction of the Aerothermodynamic Environment for Near-Space Hypersonic Unmanned Aircraft
《Tsinghua Science and Technology》2025年第2期682-694,共13页Xujia Chen Wenhui Fan 
supported by the National Natural Science Foundation of China(No.72301153).
Near-space hypersonic unmanned aircrafts(NHUA)encounter significant aerodynamic heating effects when flying at high velocities in extreme conditions.This leads to the generation of extremely high temperatures,reaching...
关键词：aerothermodynamic environment near-space hypersonic unmanned aircraft machine learning 
Research progress on aero-optical effects of hypersonic optical window with film cooling
《Light(Science & Applications)》2024年第12期2962-2982,共21页Shihe Yi Haolin Ding Suyiming Luo Xiaobin Sun Zihao Xia 
support of the National Natural Science Foundation of China(no.12102463);the Science and Technology Innovation Program of Hunan Province(no.2024RC3118);National Defense Basic Scientific Research Program of China(no.2022-JCJQJJ-1123);Scientific Research Program of NUDT(no.ZK21-19);support of the National Natural Science Foundation of China(no.92271203).
In recent years,the demand for optical imaging and detection in hypersonic aircraft has been on the rise.The hightemperature and high-pressure compressed flow field near airborne optoelectronic devices creates signifi...
关键词：FIELD FILM ENTHALPY 
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 
Nonlinear metamaterial enabled aeroelastic vibration reduction of a supersonic cantilever wing plate
《Applied Mathematics and Mechanics(English Edition)》2024年第10期1749-1772,共24页Peng SHENG Xin FANG Dianlong YU Jihong WEN 
supported by the National Natural Science Foundation of China(Nos.52241103,52322505,and 11991032);the Natural Science Foundation of Hunan Province of China(No.2023JJ10055)。
The violent vibration of supersonic wings threatens aircraft safety.This paper proposes the strongly nonlinear acoustic metamaterial(NAM)method to mitigate aeroelastic vibration in supersonic wing plates.We employ the...
关键词：nonlinear acoustic metamaterial(NAM) hypersonic aeroelastic vibration vibration reduction fluid-structure interaction 
Insights into thermodynamic performance of a hypersonic precooled air-breathing engine with a complicated multi-branch closed cycle被引量：1
《Chinese Journal of Aeronautics》2024年第8期106-123,共18页Yifan WANG Zhengping ZOU Pengcheng DU Lichao YAO Huoxing LIU Yusen XU 
supported by the Project of National Key Laboratory of Science and Technology on Aero-engine and Aerothermodynamics at Beihang University,China(No.2022-JCJQ-LB-062-0204).
An advanced precooled airbreathing engine with a closed Brayton cycle is a promising solution for high-speed propulsion,of which the Synergetic Air Breathing Rocket Engine(SABRE)is a representative configuration.The p...
关键词：HYPERSONIC Precooled airbreathing engine Thermodynamic cycle Control law Working characteristics 
Wall temperature effects on the stability of leeward vortices of a blunt inclined cone被引量：1
《Acta Mechanica Sinica》2024年第7期29-42,共14页Ligeng Zhang Bingbing Wan Siwei Dong Jianqiang Chen Xi Chen 
supported by the National Natural Science Foundation of China(Grant No.92052301).
Streamwise vortex instability is one of the most potent mechanisms for the transition of the three-dimensional boundary layers.By using the global stability analysis methods,stability characteristics of the leeward vo...
关键词：Instability of streamwise vortices Hypersonic boundary layer flow Spatial BiGlobal method PSE3D method 
Receptivity of Mack modes to localized unsteady blowing and suction in a chemical non-equilibrium hypersonic boundary layer
《Acta Mechanica Sinica》2024年第7期1-18,共18页Qingjiang Yuan Runjie Song Ming Dong 
supported by the National Science Foundation of China(Grant Nos.U20B2003,11988102,12302292).
This paper studies the local receptivity of the Mack-mode instability to localized unsteady blowing and suction(UBS)in a chem-ical non-equilibrium(CNE)hypersonic boundary layer.The five-species CNE model is employed,a...
关键词：Chemical non-equilibrium flow Boundary-layer instability HYPERSONIC RECEPTIVITY Transition to turbulence 
Prescribed time control based on the periodic delayed sliding mode surface without singularities
《Science China(Information Sciences)》2024年第7期252-266,共15页Bin ZHOU Yi DING Kang-Kang ZHANG Guang-Ren DUAN 
supported in part by National Natural Science Foundation of China for Distinguished Young Scholars(Grant No.62125303);Science Center Program of National Natural Science Foundation of China(Grant No.62188101);Fundamental Research Funds for the Central Universities(Grant No.HIT.BRET.2021008).
In this paper,nonsingular prescribed-time control is studied based on periodic delayed sliding mode surfaces.Different from the existing sliding mode control,where either singularity problems may appear or the converg...
关键词：prescribed-time control smooth periodic delayed feedback sliding mode control high-order nonlinear systems hypersonic vehicle systems 
Adaptive learning-based optimal tracking control system design and analysis of a disturbed nonlinear hypersonic vehicle model
《Science China(Technological Sciences)》2024年第6期1893-1906,共14页AN Kai WANG ZhenGuo HUANG Wei 
supported by the Natural Science Foundation of Hunan Province(Grant No.2021JJ10045);the National Natural Science Foundation of China(Grant No.11972368);the National Key R&D Program of China(Grant No.2019YFA0405300)。
We propose an adaptive learning-based optimal control scheme for height-velocity control models considering model uncertainties and external disturbances of hypersonic winged-cone vehicles.The longitudinal nonlinear m...
关键词：optimal tracking control adaptive dynamic programming RBFNN hypersonic vehicle 
Neural network based adaptive nonsingular practical predefined-time fault-tolerant control for hypersonic morphing aircraft被引量：1
《Chinese Journal of Aeronautics》2024年第4期421-435,共15页Shihao XU Changzhu WEI Litao ZHANG Rongjun MU 
supported by the National Natural Science Foundation of China (Nos. 52233014, U2241215)。
This paper develops a novel Neural Network(NN)-based adaptive nonsingular practical predefined-time controller for the hypersonic morphing aircraft subject to actuator faults. Firstly, a novel Lyapunov criterion of pr...
关键词：Hypersonic morphing aircraft(HMA) Neural network(NN) Adaptive control Practical predefined-time control Fault-tolerant control 
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