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The Morphology and Solute Segregation of Dendrite Growth in Ti-4.5% Al Alloy: A Phase-Field Study
Published 2021-11-01“…Ti-Al alloys have excellent high-temperature performance and are often used in the manufacture of high-pressure compressors and low-pressure turbine blades for military aircraft engines. However, solute segregation is easy to occur in the solidification process of Ti-Al alloys, which will affect their properties. …”
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82
Stress and Workload Assessment in Aviation—A Narrative Review
Published 2023-03-01“…This review brings together literature on the study of stress and workload in the specific case of pilots of both civil and military aircraft. The most common approaches for studying these phenomena in the avionic context are explored in this review, with a focus on objective methodologies (e.g., the collection and analysis of neurophysiological signals). …”
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83
The problems of creating a propulsion system of a new generation supersonic passenger aircraft (review)
Published 2023-05-01“…The features of the operating conditions of the engine components of a supersonic passenger aircraft in comparison with the engines of up-to-date subsonic civil aviation aircraft and supersonic military aircraft are indicated. The calculated estimates of the influence of various technical solutions on the parameters of the supersonic passenger aircraft engine are given. …”
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84
The Impact of Data Injection on Predictive Algorithm Developed within Electrical Manufacturing Engineering in the Context of Aerospace Cybersecurity
Published 2023-11-01“…The results presented in this study, which were carried out using a real dataset related to the electrical harnesses installed in a C295 military aircraft, estimate that injection of false data indicators increases the probability of creating an error by 24.22% based on the predicted outcomes required for the generation of the manufacturing processes. …”
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85
Probabilistic Risk Analysis of Aircraft Self-Collisions: A Case Study
Published 2022-02-01“…Airborne self-collisions occur primarily in military aircraft because of external stores and are frequently experienced by personnel operating these aircraft. …”
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86
Comparative study of the explosive blast resistance of metal and composite materials used in defence platforms
Published 2023-03-01“…Naval ships, military aircraft and land defence platforms are mostly constructed using steel, aluminium alloy, carbon fibre composite and/or glass fibre composite materials. …”
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87
The Study of Aircraft Accidents Causes by Computer Simulations
Published 2020-04-01“…This article presents simulation tests carried out by finite element method and constitutive laboratory tests leading to the explanation of the direct cause of a military aircraft accident. Computer-based simulation methods are particularly useful when it comes to analysing the kinematics of mechanisms and potential stress concentration points. …”
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88
Experimental Assessment of Corrugated Rectangular Actuators on Supersonic Jet Mixing
Published 2020-09-01“…To improve the stealth capability of a military aircraft, the reduction in core length is essential to reduce the heat signature and the noise characteristics of the engine exhaust. …”
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89
Monitoring of Hidden Corrosion Growth in Aircraft Structures Based on D-Sight Inspections and Image Processing
Published 2022-10-01“…The analysis of the proposed method was performed on the sequences of D-Sight images acquired from inspections of Polish military aircraft in the period from 2002 to 2017. The proposed method represents an effective tool for monitoring hidden corrosion growth in metallic aircraft structures based on a sequence of D-Sight images.…”
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90
A Case Study on the Detection and Prognosis of Internal Leakages in Electro-Hydraulic Flight Control Actuators
Published 2021-08-01“…Electro-hydraulic servo-actuators (EHSAs) are currently considered the state-of-the art solution for the control of the primary flight control systems of civil and military aircraft. Combining the expected service life of a commercial aircraft with the fact that electro-hydraulic technology is employed in the vast majority of currently in-service aircraft and is planned to be used on future platforms as well, the development of an effective Prognostic and Health Management (PHM) system could provide significant advantages to fleet operators and aircraft maintenance, such as the reduction of unplanned flight disruptions and increased availability of the aircraft. …”
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91
Entre ciel et terre. Histoire de l’aéronautique militaire et archéologie : l’exemple d’Hazebrouck
Published 2018-08-01“…The wife of his younger brother, now deceased, and some of his nephews and nieces came especially from Germany to attend the funeral. Military aircraft crash sites participate fully in questions of memory and history through their cultural value as historical artifacts and through the information they can provide regarding both the circumstances of the loss of the plane, and the plane as such.…”
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A Numerical Study into the Effect of Machining on the Interaction between Surface Roughness and Surface Breaking Defects on the Durability of WAAM Ti-6Al-4V Parts
Published 2022-06-01“…The airworthiness certification of military aircraft requires a durability analysis be performed using linear elastic fracture mechanics (LEFM). …”
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94
The UFO Encyclopedia: The Phenomena from the Beginning (3rd ed., 2 vol.) by Jerome Clark
Published 2020-03-01“…Department of Defense concerning interactions between military aircraft and unknown objects. Internally these were so significant as to cause the U.S. …”
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95
A Comparison of the Damage Tolerance of AA7075-T6, AA2024-T3, and Boeing Space, Intelligence, and Weapons Systems AM-Built LPBF Scalmalloy
Published 2023-08-01“…These findings highlight the potential for Boeing Space, Intelligence, and Weapons Systems AM-built Scalmalloy to be used to extend the operational lives of military aircraft by the on-demand printing of limited-life Scalmalloy replacement parts.…”
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96
Mechanical and Thermal Properties of Hybrid Fibre-Reinforced Concrete Exposed to Recurrent High Temperature and Aviation Oil
Published 2021-05-01“…The combined effect of hot exhaust from the auxiliary power unit of military aircraft and spilt aviation oils have caused rapid pavement spalling. …”
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97
Leading-Edge Vortex Controller (LEVCON) Influence on the Aerodynamic Characteristics of a Modern Fighter Jet
Published 2023-11-01“…LEVCON has become a trending term in modern military aircraft in recent years and is a continuation of an existing and widely used aerodynamic solution called the leading-edge root extension (LERX). …”
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98
Reinforced Transparencies for Aerospace Application – Case Description
Published 2016-03-01“…The case studied is a laminated double-curved transparency (bubble form) used in an observation side window of a military aircraft. Side windows need strength and specific characteristics, similar to windshields, allowing the perfect visualization and image capture. …”
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99
Additive Manufacturing and Augmented Reality as New Production Technologies in the Aviation Industry
Published 2020-11-01“…Though the research and development in the field of AM an AR began in the 1980s, only in the last decade AM and AR technologies have reached the necessary level of maturity to be widely used in design, manufacturing and assembly processes in aeronautics, including civil and military aircraft. There are good prospects for their use in aircraft’ maintenance, repair and overhaul as well. …”
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100
Effect of the overlap ratio on surface properties of 7B04 aluminum alloy for aviation during laser derusting
Published 2022-09-01“…Due to the harsh service environment of military aircraft, aluminum alloy on aircraft is prone to corrosion. …”
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