航空航天论文

航空航天论文最新文章

Analysis and optimization of nitrile butadiene rubber sealing mechanism of ball valve2021-07-30

Abstract：An approach for analyzing and optimizing sealing mechanism of ball valve made of nitrile bu...
Measurement of metal vapor cooling speed during nanoparticle formation by pulsed wire discharge2021-07-30

Abstract：Pulsed wire discharge(PWD) is one of nano-sized powder production methods. The object of th...
Detection of stacking orientation error of CFRP composite laminates using ultrasound waves2021-07-30

Abstract：A jig was developed for generating a shear wave. A pyramid with an isosceles triangle with ...
镍基单晶合金复杂应力状态低周疲劳寿命预测2021-07-30

摘要：根据损伤应变能释放率的定义表达式,将各向同性材料应力三轴性因子拓展到正交异性材料,定义了含有3个弹性常数的镍基单晶应力三轴性因子.用它修正Mises应变范围作为疲劳损伤参量,可以显著消除晶体取向...
添加难熔金属碳化物提高C/C复合材料抗烧蚀性能的研究2021-07-30

摘要：高性能固体火箭发动机(SRM)对喉衬材料的烧蚀率提出了更高的要求,传统的炭/炭(C/C)材料有待于进一步发展.讨论了含有难熔金属碳化物(ZrC、TaC)的多元基体C/C复合材料及其耐烧蚀性能,通...
A new principle and device for large aircraft components gaining accurate support by ball joint2021-07-30

Abstract：How to obtain an accurate support for large components by ball joint is a key process in ai...
一种测量固体火箭发动机羽焰温度的数据处理方法研究2021-07-30

摘要：针对连续测量固体火箭发动机羽焰温度的特点,提出了一种新的发射率假设模型,并在此基础上提出了一种新的多波长高温计的数据处理方法,即通过处理两个不同时刻多波长高温计的测量数据,由计算可同时获知两个时...
Dynamic modeling and nonlinear control strategy for an underactuated quad rotor rotorcraft2021-07-30

Abstract：In this paper, a nonlinear dynamic MIMO model of a 6-DOF underactuated quad rotor rotorcraf...
Modeling three-dimensional dynamic stall2021-07-30

Abstract：The dynamic stall process in three-dimensional(3D)cases on a rectangul wing undergoing a co...
无人机航路规划研究2021-07-30

摘要：无人机航路规划的目的是无人机具有对复杂任务进行快速规划或重规划的能力，其中快速而有效的重规划尤其重要。在无人机飞行任务执行过程中，无人机需要根据局部地形、地貌、障碍、威胁等信息以及飞机本身机动能...
Low-diffusion preconditioning scheme for numerical simulation of low-speed flows past airfoil2021-07-30

Abstract：The preconditioning technique can address the stiffness of a low Mach number flow, while it...
针对交叉流的组合冲中突解脱策略2021-07-30

摘要：航路网络交叉处高密度交通形成的冲突是诱发管制员工作负荷的主要因素,合理的冲突解脱策略可以降低对保护空域的需求.针对典型2向交叉流结构,在分析横向侧移冲突解脱策略优势与不足的基础上,提出了更符合管...
Novel algorithm for geomagnetic navigation2021-07-30

Abstract：To solve the highly nonlinear and non-Gaussian recursive state estimation problem in geomag...
故障预测与健康管理(PHM)技术的现状与发展2021-07-30

摘要：结合故障预测与健康管理(PHM)的技术发展过程,阐述了PHM的应用价值.论述了PHM技术系统级应用问题,提出了故障诊断与预测的人-机-环完整性认知模型,并依此对蓬勃发展的故障诊断与故障预测技术进...
Experimental and numerical investigation on sound generation from airfoil-flow interaction2021-07-30

Abstract：Aerodynamic noise due to interaction between incoming turbulence and rotating blades is an ...
Prediction of thermal fatigue life of a turbine nozzle guide vane2021-07-30

Abstract：Thermal fatigue (TF) is one of the most important factors that influence turbines life. Thi...
几种喉衬材料断裂韧性的比较2021-07-30

摘要：测试了几种石墨、毡基C/C、多维编织C/C及石墨渗铜材料的断裂韧性,定性地比较了它们之间的抗断裂能力,并对材料的微观结构和断裂机理作了简要的分析.石墨渗铜材料的断裂韧性与高强石墨相比基本相当,主...
FY-2B气象卫星红外通道发射前实验室定标与在轨辐射定标比较2021-07-30

摘要：FY-2B是自旋稳定卫星,红外通道无法进行在轨星上绝对定标.FY-2B发射前的地面实验室定标方案参照了FY-2A在轨环境温度的变化情况,定标结果十分理想.在轨电子学定标数据修正红外通道的量化关系...
先进树脂基复合材料的发展2021-07-30

摘要：先进树脂基复合材料在过去三十年中已得到了飞速的发展.本文主要介绍了它们的发展现状及在航空工业的应用,讨论了先进树脂基复合材料的未来研究和发展方向以及应注意的几个问题. 作者：陈祥宝 Autho...
Spacecraft aerodynamics and trajectory simulation during aerobraking2021-07-30

Abstract：This paper uses a direct simulation Monte Carlo(DSMC)approach to simulate rarefied aerodyna...
多机场网络系统流量分配策略2021-07-30

摘要：为有效减少机场交通拥挤、降低航班延误,从系统角度研究战略层面的机场交通供需平衡问题.通过考虑单机场进场和离场间的相关性以及多机场联程航班间的关联性,提出了开放式多机场有向网络交通流系统;基于多元...
Computations of wall distances by solving a transport equation2021-07-30

Abstract：Computations of wall distances still play a key role in modern turbulence modeling. Motivat...
GPS/VISNAV integrated relative navigation and attitude determination system for ultra-close spacecraft formation flying2021-07-30

Abstract：For the improvement of accuracy and better faulttolerant performance, a global position sys...
Wrinkle analysis of a space planar film reflect-array2021-07-30

Abstract：The presence of wrinkles in a membrane is the main factor that induces surface errors on sp...

航空航天论文

Analysis and optimization of nitrile butadiene rubber sealing mechanism of ball valve2021-07-30

Measurement of metal vapor cooling speed during nanoparticle formation by pulsed wire discharge2021-07-30

Detection of stacking orientation error of CFRP composite laminates using ultrasound waves2021-07-30

镍基单晶合金复杂应力状态低周疲劳寿命预测2021-07-30

添加难熔金属碳化物提高C/C复合材料抗烧蚀性能的研究2021-07-30

A new principle and device for large aircraft components gaining accurate support by ball joint2021-07-30

一种测量固体火箭发动机羽焰温度的数据处理方法研究2021-07-30

Dynamic modeling and nonlinear control strategy for an underactuated quad rotor rotorcraft2021-07-30

Modeling three-dimensional dynamic stall2021-07-30

无人机航路规划研究2021-07-30

Low-diffusion preconditioning scheme for numerical simulation of low-speed flows past airfoil2021-07-30

针对交叉流的组合冲中突解脱策略2021-07-30

Novel algorithm for geomagnetic navigation2021-07-30

故障预测与健康管理(PHM)技术的现状与发展2021-07-30

Experimental and numerical investigation on sound generation from airfoil-flow interaction2021-07-30

Prediction of thermal fatigue life of a turbine nozzle guide vane2021-07-30

几种喉衬材料断裂韧性的比较2021-07-30

FY-2B气象卫星红外通道发射前实验室定标与在轨辐射定标比较2021-07-30

先进树脂基复合材料的发展2021-07-30

Spacecraft aerodynamics and trajectory simulation during aerobraking2021-07-30

多机场网络系统流量分配策略2021-07-30

Computations of wall distances by solving a transport equation2021-07-30

GPS/VISNAV integrated relative navigation and attitude determination system for ultra-close spacecraft formation flying2021-07-30

Wrinkle analysis of a space planar film reflect-array2021-07-30