Results 61 to 70 of about 1,141,804 (335)
On-Board Microgrids for the More Electric Aircraft—Technology Review
IEEE transactions on industrial electronics (1982. Print), 2019 This paper presents an overview of technology related to on-board microgrids for the more electric aircraft. All aircraft use an isolated system, where security of supply and power density represents the main requirements. Different distribution systems (
G. Buticchi +4 more
semanticscholar +1 more source
A Study on Thermal Expansion and Thermomechanical Behavior of Composite Metal Foams
Advanced Engineering Materials, EarlyView.The coefficient of thermal expansion of steel–steel composite metal foam (S‐S CMF) is shown to be lower than that of bulk stainless steel while its performance under compression demonstrate excellent mechanical stability and strength at all temperatures with gradualsoftening from 400 to 600 °C.
Zubin Chacko +2 more
wiley +1 more source
Assessment of risk due to the use of carbon fiber composites in commercial and general aviation [PDF]
, 1980 The development of a national risk profile for the total annual aircraft losses due to carbon fiber composite (CFC) usage through 1993 is discussed. The profile was developed using separate simulation methods for commercial and general aviation aircraft.
Fiksel, J., Kalelkar, A., Rosenfield, D.
core +1 more source
Neural fields for rapid aircraft aerodynamics simulations
Scientific ReportsThis paper presents a methodology to learn surrogate models of steady state fluid dynamics simulations on meshed domains, based on Implicit Neural Representations (INRs).
Giovanni Catalani +5 more
doaj +1 more source
International Journal of Aerospace Engineering, 2021 In some situations, the improvement of the thrust-to-weight ratio (TWR) of microturbine engines (MTEs) for energy-, economic-, and environment-related reasons can be achieved for military or civilian purposes.
Cheng Zhang +3 more
doaj +1 more source
Development of Aluminum Scandium Alloys for Hydrogen Storage Valves
Advanced Engineering Materials, EarlyView.Different aluminum alloy series and various aluminum‐scandium alloys with differing Sc and Zr levels are evaluated for use in hydrogen storage valve production. The alloys undergo hardness testing, optical microscopy, and tensile strength analysis, with hardening behavior studied under varying conditions.
Francisco García‐Moreno +4 more
wiley +1 more source
Certification Can Count: The Case of Aircraft Mechanics [PDF]
, 2002 [Excerpt] In 2000, aircraft mechanics and service technicians certified by the Federal Aviation Administration (FAA) earned on average $20.16 per hour. Aircraft mechanics and technicians without FAA certification earned on average $15.78 per hour, over ...
Bureau of Labor Statistics
core +1 more source
Research on Management Procedure of Material Selection and Substituting for Aircraft Parts
Hangkong gongcheng jinzhan, 2021 The material selection and substituting can effectively improve the ability of material application technology and management in aircraft parts designing,and ensure the rapid development for new aircraft design. By analyzing the current state of material
LI Hongrui, CHONG Yu
doaj +1 more source
Advanced Functional Materials, EarlyView.Emulating nature's unparalleled engineering, this work introduces butterfly‐inspired hybrid composites for high‐performance transportation and defense sectors. Leveraging biomimicry, these lightweight composites feature butterfly leg‐inspired hierarchical fibrous assemblies and butterfly wing‐inspired sandwich‐structured architecture, to achieve ...
Nello D. Sansone +7 more
wiley +1 more source
Analysis of Entropy Generation and Potential Inhibition in an Aeroengine System Environment
International Journal of Aerospace Engineering, 2022 From a system perspective, the entropy generation of an aeroengine is directly related to the thermal efficiency when the Brayton cycle pressure ratio and maximum temperature remain constant.
Xiaojing Liu +6 more
doaj +1 more source