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Aircraft cabins - Materials - Fire testing. --- Aircraft cabins --- Materials --- Fire testing. --- Airplanes --- Cabins, Aircraft --- Cabins --- Fuselage
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Aircraft cabins --- Indoor air pollution. --- Health aspects. --- Air --- Airplanes --- Cabins, Aircraft --- Pollution, Indoor --- Cabins --- Sick building syndrome --- Pollution --- Fuselage
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Fatigue of the pressurized fuselages of transport aircraft is a significant problem all builders and users of aircraft have to cope with for reasons associated with assuring a sufficient lifetime and safety, and formulating adequate inspection procedures. These aspects are all addressed in various formal protocols for creating and maintaining airworthiness, including damage tolerance considerations. In most transport aircraft, fatigue occurs in lap joints, sometimes leading to circumstances that threaten safety in critical ways. The problem of fatigue of lap joints has been considerably enlarged by the goal of extending aircraft lifetimes. Fatigue of riveted lap joints between aluminium alloy sheets, typical of the pressurized aircraft fuselage, is the major topic of the present book. The richly illustrated and well-structured chapters treat subjects such as: structural design solutions and loading conditions for fuselage skin joints; relevance of laboratory test results for simple lap joint specimens to riveted joints in a real structure; effect of various production and design related variables on the riveted joint fatigue behaviour; analytical and experimental results on load transmission in mechanically fastened lap joints; theoretical and experimental analysis of secondary bending and its implications for riveted joint fatigue performance; nucleation and shape development of fatigue cracks in riveted longitudinal lap joints; overview of experimental investigations into the multi-site damage for full scale fuselage panels and riveted lap joint specimens; fatigue crack growth and fatigue life prediction methodology for riveted lap joints; residual strength predictions for riveted lap joints in a fuselage structure. The major issues of each chapter are recapitulated in the last section.
Airframes -- Fatigue. --- Airplanes -- Fuselage. --- Riveted joints. --- Strains and stresses. --- Riveted joints --- Airplanes --- Mechanical Engineering --- Chemical & Materials Engineering --- Engineering & Applied Sciences --- Materials Science --- Aeronautics Engineering & Astronautics --- Fuselage --- Fuselage. --- Fuselage (Airplanes) --- Engineering. --- Mechanics. --- Aerospace engineering. --- Astronautics. --- Industrial engineering. --- Production engineering. --- Aerospace Technology and Astronautics. --- Industrial and Production Engineering. --- Joints (Engineering) --- Rivets and riveting --- Airframes --- Classical Mechanics. --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Management engineering --- Simplification in industry --- Engineering --- Value analysis (Cost control) --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Manufacturing engineering --- Process engineering --- Industrial engineering --- Mechanical engineering --- Aeronautical engineering --- Astronautics
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This book presents a mechatronic approach to Active Noise Control (ANC). It describes the required elements of system theory, engineering acoustics, electroacoustics and adaptive signal processing in a comprehensive, consistent and systematic manner using a unified notation. Furthermore, it includes a design methodology for ANC-systems, explains its application and describes tools to be used for ANC-system design. From the research point of view, the book presents new approaches to sound source localization in weakly damped interiors. One is based on the inverse finite element method, the other is based on a sound intensity probe with an active free field. Furthermore, a prototype of an ANC-system able to reach the physical limits of local (feed-forward) ANC is described. This is one example for applied research in ANC-system design. Other examples are given for (i) local ANC in a semi-enclosed subspace of an aircraft cargo hold and (ii) for the combination of audio entertainment with ANC.
Feedback control systems. --- Mechatronics. --- Noise control. --- Noise control --- Active noise and vibration control --- Feedback control systems --- Mechatronics --- Civil & Environmental Engineering --- Mechanical Engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Environmental Engineering --- Mechanical Engineering - General --- Electrical Engineering --- Airplanes --- Aircraft cabins --- Noise. --- Vibration. --- Cabins, Aircraft --- Aircraft noise --- Cabins --- Engineering. --- Acoustics. --- Acoustical engineering. --- Engineering Acoustics. --- Aerodynamic noise --- Boundary layer noise --- Airplane sounds --- Fuselage --- Acoustics in engineering. --- Acoustic engineering --- Sonic engineering --- Sonics --- Sound engineering --- Sound-waves --- Engineering --- Mechanical engineering --- Microelectronics --- Microelectromechanical systems --- Industrial applications
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This Special Issue highlights the latest enhancements in the abatement of noise and vibrations in aerospace and automotive systems. The reduction of acoustic emissions and the improvement of interior cabin comfort desired by all major transportation industries, as these areas have a direct impact on customer satisfaction and, consequently, the commercial success of new products. Topics covered in this Special Issue deal with computational approaches, instrumentation and data analysis related to noise and vibrations of fixed-wing aircraft, satellites, spacecraft, automobiles, and trains, covering aerodynamically generated noise, engine noise, sound absorption, cabin acoustic treatments, duct acoustics, and vibroacoustic properties of materials. This Special Issue also focuses on industrial aspects. Existing procedures and algorithms that are useful in reaching the abovementioned objectives in the most efficient way are illustrated in the collected papers.
flexible spacecraft --- periodic disturbance compensation --- compensate torque design --- vibration attenuation --- reaction wheel. --- vibration analysis --- FEM --- multibody simulations --- Plasma flow control --- multichannel discharge --- plasma synthetic actuator --- actuator array --- analytic model --- centrifugal fan --- unsteady flow --- vibroacoustics --- fluid-structure-acoustic coupling --- optimization --- high-speed train --- pantograph --- aerodynamic noise --- large eddy simulation --- acoustic finite element method --- transonic buffet --- tangential slot --- steady and periodic blowing --- postpone of buffet onset --- buffet load alleviation --- component mode synthesis --- petrol engine --- NVH --- FRF --- leakage location --- Lamb wave --- beamforming --- spacecraft in orbit --- vibro-acoustics --- MDO --- aircraft fuselage --- aeroacoustics --- acoustics --- noise --- vibration --- aeronautics --- automotive
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This Special Issue contains selected papers from works presented at the 8th EASN–CEAS (European Aeronautics Science Network–Council of European Aerospace Societies) Workshop on Manufacturing for Growth and Innovation, which was held in Glasgow, UK, 4–7 September 2018. About 150 participants contributed to a high-level scientific gathering providing some of the latest research results on the topic, as well as some of the latest relevant technological advancements. ?ine interesting articles, which cover a wide range of topics including characterization, analysis and design, as well as numerical simulation, are contained in this Special Issue.
n/a --- dynamic force analysis --- ditching simulation --- crashworthiness --- morphing wings --- pressurized fuselage --- scissor-like elements --- design of advanced power systems --- manufacturing --- nanomechanical properties --- composite materials --- multifunctionality --- electrical properties --- computational fluid dynamics --- aeronautic component --- nanomaterials --- circulation control --- multiscale damage model --- modelling and simulation --- unmanned aircraft --- kinematic analysis --- threshold concentration --- life cycle analysis --- autoclave --- blended wing-body aircraft --- incompressible flow --- low-curvature panels --- aircraft design --- composites structures --- carbon nanotubes --- vacuum assisted resin infusion --- active flow control --- building-block approach --- flight testing --- VTOL-UAV --- aerodynamic analysis --- suction and oscillatory blowing actuator --- technology readiness level --- scaling --- kinematic synthesis --- polymer nanocomposites --- thermal stability --- electrification --- cold diaphragm forming --- resin transfer molding --- fluid-structure interaction --- technology demonstrator --- light sport aircraft --- multi-objective optimization --- cost analysis --- scissor-structural mechanisms
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This Special Issue book contains selected papers from works presented at the 10th EASN (European Aeronautics Science Network) International Conference on Innovation in Aviation & Space, which was held from the 2nd until the 4th of September, 2020. About 350 remote participants contributed to a high-level scientific gathering providing some of the latest research results on the topic, as well as some of the latest relevant technological advancements. Eleven interesting articles, which cover a wide range of topics including characterization, analysis and design, as well as numerical simulation, are contained in this Special Issue.
boarding --- simulation --- cabin --- aircraft --- passenger --- movement --- Covid-19 --- turbofan --- unmanned aerial vehicles --- cruise missile --- aerial target --- axial compressor --- blade --- titanium alloy --- aluminium alloy --- titanium aluminide --- safety factor --- thermal management --- hybrid-electric aircraft --- ram air–based cooling --- compact heat exchangers --- meredith effect --- aircraft air quality --- adaptive ECS --- subject testing --- boundary layer ingestion --- propulsive fuselage --- wake-filling --- turbo-electric --- proof-of-concept --- wind tunnel --- fan rig --- multi-disciplinary aircraft design --- collaborative research --- microturbine --- sustainable aviation fuel --- ATJ --- HEFA --- emissions --- alternative fuel --- biocomponent --- combustion --- fuel blend --- drop-in fuel --- synthesized kerosene --- cargo fire protection --- fire suppression --- testing --- iron bird --- hydraulic system --- flight simulator --- force control --- PID control --- unmanned aircraft --- thrust determination --- flight testing --- e-Genius-Mod --- free-flight wind tunnel --- hybrid-electric propulsion --- regional air travel --- alternate airports --- top-level aircraft requirements --- figures of merit --- aircraft design --- aircraft structure --- strut-braced wing --- parametric modeling --- decomposition principles --- strength analysis --- finite element method (FEM) --- doublet lattice method --- four-level approach --- n/a --- ram air-based cooling
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