PARACHUTE

作品数：46被引量：124H指数：6
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相关作者：李长岭游向东王建安鲍晓峰周琦晶更多>>
相关机构：浙江大学医学院附属第二医院厦门大学附属心血管病医院厦门大学同济大学更多>>
相关期刊：《Chinese Journal of Mechanical Engineering》《Journal of Geriatric Cardiology》《中华超声影像学杂志》《Acta Mechanica Sinica》更多>>
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Trajectory analysis and flight modeling of combat aircrafts ejection seats
《Chinese Journal of Aeronautics》2025年第2期175-184,共10页Ercan BASTUG Nadir SERIN Faruk ELALDI 
In this study,it is aimed to develop a generic model which calculates the trajectory of the ejection seat from the jet aircraft,by taking into account the parameters that will affect the seat movement such as the seat...
关键词：Ejection seat Ejection seat trajectory Point mass trajectory model Parachute opening times Aerodynamic coefficients 
A Computational Framework for Parachute Inflation Based on Immersed Boundary/Finite Element Approach
《Transactions of Nanjing University of Aeronautics and Astronautics》2024年第4期502-514,共13页HUANG Yunyao ZHANG Yang PU Tianmei JIA He WU Shiqing ZHOU Chunhua 
supported by the Open Project of Key Laboratory of Aerospace EDLA,CASC(No.EDL19092208)。
A computational framework for parachute inflation is developed based on the immersed boundary/finite element approach within the open-source IBAMR library.The fluid motion is solved by Peskin's diffuse-interface immer...
关键词：parachute inflation fluid-structure interaction immersed boundary method finite element method adaptive mesh refinement 
Extension of a sharp‑interface immersed‑boundary method for simulating parachute inflation被引量：1
《Advances in Aerodynamics》2024年第1期551-575,共25页Yang Zhang Tianmei Pu He Jia Shiqing Wu Chunhua Zhou 
This work is supported by the Open Project of Key Laboratory of Aerospace EDLA,CASC(Grant No.EDL19092128);Key Laboratory of Computational Aerodynamics,AVIC Aerodynamics Research Institute(Grant No.YL2022XFX0409).
In this work,the sharp-interface immersed boundary(IB)method proposed by Mittal et al.(J Comput Phys 227(10):4825–4852,2008)is extended to fluid-structure-inter-action(FSI)simulation of parachute inflation by utilizi...
关键词：Parachute inflation Immersed boundary method Fluid-structure interaction preCICE CalculiX 
Faster Than Sound, Daredevil Parachute Jumps from the Edge of the Space
《Advances in Aerospace Science and Technology》2023年第4期55-67,共13页Seppo Mäkinen 
This article discusses the kinematics of a parachutist making a very-high-altitude jump. The effect of altitude on the density of air, on the gravitational field strength of the Earth, and on the atmosphere’s tempera...
关键词：Parachute Jumps Atmosphere Numerical Modelling Transonic Speeds 
Fluid structure interaction of supersonic parachute with material failure被引量：2
《Chinese Journal of Aeronautics》2023年第10期90-100,共11页Shunchen NIE Li YU Yanjun LI Zhihong SUN Bowen QIU 
the National Natural Science Foundation of China(No.11972192).
The material damage of parachute may occur in parachutes at high speeds,and the growth of tearing may finally lead to failure of aerospace mission.In order to study the damage mechanism of parachute,a material failure...
关键词：Arbitrary Lagrange Euler method Dynamic loads Fluid structure interaction Material failure model Parachute damage 
Hot-melt extrusion promotes dissolution,extends“spring-parachute”process and inhibits crystallization in supersaturating microparticle systems
《Particuology》2023年第7期35-48,共14页Yanfei Zhang Huifeng Zhang Huan Yu Yinghui Ma Chengyi Hao Xiaoying Lin Yong Zhang Zhengqiang Li Xianrong Qi Jia Zeng Nianqiu Shi 
supported by National Natural Science Foundation of China(No.82172593 and 82204729);Science and Technology Development Program of Jjilin Province of China(No.20210101430JC,YDZJ202201ZYTS234 and YDZJ202201ZYTS223);China Postdoctoral Science Foundation(No.2015M571373);Science and Technology Development Program of jilin City in Jjilin Province of China(No.20200104067,201831739 and 201464053);Scientific Research Foundation of the Education Department of Jilin Province of China(No.JJKH20191072KJ and 2015-401);Doctoral Research Startup Fund Project of Jilin Medical University(No.JYBS2021002LK);the College Students'Innovation Project of Jilin Province(No.202013706026).
Despite the potential advantages of amorphism-induced supersaturation,the merit of new amorphiza-tion formation methods on the properties of the amorphous drug including the stability of the amor-phous state,dissoluti...
关键词：Hot-melt extrusion-triggered amorphization Extensionof"spring-parachute"process Promotion of dissolution/solubility Inhibition of crystallization from a supersaturated state Amorphism-based supersaturating drug microparticle systems 
An elderly parachute mitral valve:still landing well
《Journal of Geriatric Cardiology》2022年第10期788-788,共1页Fadi Kandah William Kogler Michael Omar Srinivasan Sattiraju Emil Missov 
An 80-year-old male with type Ⅱ diabetes mellitus,hypertension and hyperlipidemia presented with chest pain.Vital signs were significant for severely elevated blood pressure of 190/100 mmHg,but otherwise normal.Physi...
关键词：MITRAL ELEVATED STENOSIS 
Effect of Martian atmosphere on aerodynamic performance of supersonic parachute two-body systems被引量：6
《Chinese Journal of Aeronautics》2022年第4期45-54,共10页Xiaopeng XUE He JIA Wei RONG Qi WANG Chih-yung WEN 
co-supported by the National Natural Science Foundation of China(Nos.11702332 and 12072377);the Natural Science Foundation of Hunan Province,China(No.2018JJ3627)。
Supersonic flows around parachute two-body systems are numerically investigated by solving the compressible Navier-Stokes equations. In the present study, both rigid and flexible parachute models are considered, which...
关键词：Canopy flexibility Fluid structure interaction Martian atmosphere Supersonic parachute Unsteady flow 
Analysis and Verification of Aerodynamic Characteristics of Tianwen-1 Mars Parachute被引量：1
《Space(Science & Technology)》2022年第1期219-229,共11页Mingxing Huang Wenqiang Wang Jian Li 
This research was financially supported by the Beijing Institute of Space Mechanics&Electricity.
The Mars parachute flight environment is supersonic,low-density,and low dynamic pressures.To ensure the operating performance and reliability,the design optimization and verification of the Tianwen-1 Mars parachute ha...
关键词：SUBSONIC gained ALTITUDE 
Numerical Study on Aerodynamic Performance of Mars Parachute Models with Geometric Porosities被引量：3
《Space(Science & Technology)》2022年第1期338-350,共13页Lulu Jiang He Jia Xin Xu Wei Rong Wei Jiang Qi Wang Gang Chen Xiaopeng Xue 
This work was substantially supported by the National Natural Science Foundation of China(Grant No.12072377 and No.11702332);the Natural Science Foundation of Hunan Province,China(Grant No.2022JJ30678);This work was also partly supported by the Laboratory of Aerospace Entry,Descent and Landing Technology(Grant No.EDL19092126).
The supersonic flows around rigid parachute-like two-body configurations are numerically simulated at Mach number of 1.978 by solving three-dimensional compressible Navier-Stokes equations,where the two-body model con...
关键词：stability surface POSITIONS 
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