Results 11 to 20 of about 1,141,804 (335)
Based on the Influence of Standard parts Installation and Surface Quality on Aircraft Assembly [PDF]
SHS Web of Conferences, 2022 In the process of aircraft assembly, various parts have an important impact on the aircraft assembly, among which the fasteners play an important role in the aircraft assembly, affecting the stability of the aircraft assembly and the service life of the ...
Niu Qingtao, Qin Mingjie, Shao Pengfei
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Exploring sub-strong scattering source of canopy of fighter with radar stealth technology
Xibei Gongye Daxue Xuebao, 2022 The canopy of a fighter is the main source of electromagnetic scattering, and the achievement of its radar stealth is one of key technologies for developing a stealth fighter.
ZHOU Tao +4 more
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The vibration environment prediction method based on OPAX
Xibei Gongye Daxue Xuebao, 2022 准确获得飞机结构及机载设备的振动环境至关重要, 传统的振动环境预计方法预计准确度低, 可能会导致后期振动环境试验过试验或欠试验的问题。创新性地提出了一种基于扩展工况传递路径分析(OPAX)的振动环境预计方法, 采用实测数据搭建振动环境预计模型, 再利用该模型对新工况下的振动环境进行预计。试验室环境下, 搭建了某型飞机典型设备舱振动测试系统, 基于OPAX方法搭建了机载设备的振动环境预计模型, 并对其预计准确度进行了验证。对比预计结果与试验结果, 得到: ①新工况下模型预计均方根值与试验测试均方根值相比,
LI Yixuan +3 more
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A novel method for alumina preparation by electrotransformation AlCl3 solution under NH4Cl-catalyzed and CO2-injected conditions [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2022 As a refractory industrial solid waste, high-alumina fly ash is discharged into nature in large quantities, causing serious environmental harm. The extraction of valuable components, such as aluminum, from high-alumina fly ash has become a research ...
Han X.-X. +5 more
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Creep Characterization of Inconel 718 Lattice Metamaterials Manufactured by Laser Powder Bed Fusion
Advanced Engineering Materials, EarlyView., 2023 Herein, the creep characteristics of additively manufactured Inconel 718 metamaterials are investigated. The creep behavior of metamaterials and the effects of microstructural defects are assessed, and the microstructure defects are accurately captured using Kachanov's creep damage model.
Akash Singh Bhuwal +5 more
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Hangkong gongcheng jinzhan, 2021 The emergency door on the wing of a civil aircraft has particularity,and its fault is somewhat concealed,so it is particularly important to analyze its safety reasonably.The evaluation and selection principles of the latent failure of the emergency door ...
ZHU Zhengzheng +3 more
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Study on engine pylon emergency separation design of civil aircraft
Hangkong gongcheng jinzhan, 2023 Engine pylon emergency separation is one of the key technologies in civil aircraft design, which is difficult to obtain from abroad.Domestic researches are mainly about theories and thoughts, which cannot be applied on engineering.In this paper, the ...
CHEN Haihuan, LI Zejiang, CHEN Shaokai
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Flight Load Design of Nacelle of Carrier-Based Propeller Transport Aircraft
Xibei Gongye Daxue Xuebao, 2020 The carrier-based propeller transport aircraft has a compact layout, where the large nacelle in size and weight is sensitive to propeller slipstream, and thus calls for sophisticated flight load design studies, which are still insufficient considering ...
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Research Progress of Numerical Simulation Methods for Civil Aircraft Ditching
Hangkong gongcheng jinzhan, 2022 Aircraft ditching is an emergency landing scenario that must be considered in aircraft design.Summarizing the research methods for the numerical simulation of ditching can provide the support for ditching analysis of civil aircraft design.The research ...
LUO Wenli, CHEN Shuyong, CHEN Baoxing
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Research on Very High Plateau Test Flight Method of Twin-engine Light Civil Helicopter
Hangkong gongcheng jinzhan, 2022 During the performance flight test at very high plateau,the helicopter is near the using limitation,the flight risk is high. It is necessary to study and develop reasonable and safe test flight methods to obtain accurate helicopter performance data while
LI Shengwei, ZHAO Deyang, LIN Changliang
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