Transporte

Transporte

Aeropropulsive assessment of engine installation at cruise for UHBPR turbofan with body force fan modelling
- AbstractThe overall propulsive performance of an aircraft with podded nacelles depends on the interaction occurring between the wing body and the propulsor. With the tight installation required...
Investigation into the effect of introducing functionalized hafnium carbide with GO in the epoxy coated aluminium alloy for aerospace components
- The inorganic nanofiller hafnium carbide (HfC) was modified with 4-amino-5-pyridin-3-yl-4H-triazole-3-thiol (APTT) and the resultant APTT/HfC was encapsulated with graphene oxide (GO) in the epoxy...
MXene and graphene coated multifunctional fiber reinforced aerospace composites with sensing and EMI shielding abilities
- This work is focused on using MXene and reduced graphene oxide coated glass fabrics for manufacturing multifunctional aerospace composites. The coated fabrics acted as sensors and provided useful...
Aerospace, Vol. 9, Pages 806: Influence of Ventilation Flow Rate and Gap Distance on the Radiative Heat Transfer in Aircraft Avionics Bays
08/12/2022 - The feasibility of the future more-electric, hybrid-electric, and all-electric aircraft configurations will depend on a good understanding of thermal aspects early in the design. However, thermal...
Aerospace, Vol. 9, Pages 805: A Numerical Study on the Water Entry of Cylindrical Trans-Media Vehicles
08/12/2022 - In recent years, more attention has been paid to vehicles that can travel between air and water, known as trans-media vehicles. They are often designed as cylindrical bodies in order to reduce the...
Rapid Fabrication of Wavelength-Scale Micropores on Metal by Femtosecond MHz Burst Bessel Beam Ablation
08/12/2022 - The preparation of the wavelength-scale micropores on metallic surfaces is limited by the high opacity of metal. At present, most micropores reported in the literature are more than 20...
A novel safety measure with random and fuzzy variables and its solution by combining Kriging with truncated candidate region
- AbstractFor the safety assessment of models with random and fuzzy variables, this work proposes a novel measure of substandard credibility of reliability (SCR), which is defined by the credibility...
Aerospace, Vol. 9, Pages 804: Active Flutter Suppression of a Wing Section in a Compressible Flow
07/12/2022 - In this paper, a unified method for the computation of the unsteady aerodynamic forces in the Laplace domain for a wing section in subsonic, sonic and supersonic potential flows is presented. The...
Aerospace, Vol. 9, Pages 803: Component-Level Modeling of More Electric Auxiliary Power Units for Cooperative Control
07/12/2022 - Today, the more electric aircraft (MEA) concept is gaining tremendous popularity. As a key component of the MEA, a more electric auxiliary power unit (MEAPU) integrated model with high accuracy and...
Durability and Corrosion Resistance Test of Adhesive Joints Using Two Adherence Promoters for the Connection of Aerospace Aluminum Alloys
07/12/2022 - This article presents the technology of making an adhesive joint using two primers: Corrosion Inhibiting Primer BR127 (previously used, containing chromium compounds) and, as a potential substitute,...
Aerodynamic optimization and analysis of quadrotor blades operating in the Martian atmosphere
- AbstractThe design of unmanned aerial systems (UAS) for flight in the Martian atmosphere is a relevant and current topic. The successful flight of the Ingenuity helicopter recently proved its...
Nonlinear Model Predictive Control of J2-perturbed impulsive transfer trajectories in long-range rendezvous missions
- AbstractThis paper develops a Nonlinear Model Predictive Control (NMPC) strategy for robust tracking of multi-impulse smooth transfer trajectories in J2-perturbed orbital environments. The...
Adaptive fault-tolerant controller for morphing aircraft based on the L2 gain and a neural network
- AbstractThis paper presents an adaptive neural network fault-tolerant controller approach for the parameters of morphing aircraft that change violently during changing sweep angle processes and...
Free vibration of in-plane bi-directional functionally graded materials rectangular plates with geometric imperfections and general elastic restraints
- AbstractThis research addresses the free vibration performance of bi-directional functionally graded materials (BDFGMs) rectangular plate with general boundary restraints and geometrical...
A low-frequency micro-vibration absorber based on a designable quasi-zero stiffness beam
- AbstractThis paper presents a low-frequency micro-vibration absorber based on a beam with designable nonlinear stiffness. The material and dimension parameters of the nonlinear characteristics of...
Implementation of a novel dual-layer machine learning structure for predicting the intake characteristics of a side-ported Wankel rotary engine
- AbstractThis paper aims to predict the intake characteristics of a side-ported Wankel rotary engine implemented by a novel dual-layer machine learning (ML) structure. The Sobol sequence coupled...
Aerospace, Vol. 9, Pages 802: Numerical Study of the Hygrothermal Effects on Low Velocity Impact Induced Indentation and Its Rebound in Composite Laminate
06/12/2022 - Impact indentation is believed to be an effective indication of low-velocity impact (LVI) damage for polymer matrix composites. However, it has been discovered that an indentation can partially...
Aerospace, Vol. 9, Pages 799: Flight Time Optimization and Modeling of a Hybrid Gasoline–Electric Multirotor Drone: An Experimental Study
06/12/2022 - Drones have evolved rapidly over the decades, but the limited flight time inhibits multirotor drones from performing long-duration tasks. Batteries that power drones are considered an inadequate...
Aerospace, Vol. 9, Pages 800: Geometric Optimization of Blunt Bodies with Aerodisk and Opposing Jet for Wave Drag and Heat Reduction
06/12/2022 - The use of passive, active, or hybrid flow control techniques is often investigated to reduce the acoustic signature, wave drag, and aerodynamic heating associated with the supersonic flow regime....
Aerospace, Vol. 9, Pages 801: Assessing the Sustainability of Liquid Hydrogen for Future Hypersonic Aerospace Flight
06/12/2022 - This study explored the applications of liquid hydrogen (LH2) in aerospace projects, followed by an investigation into the efficiency of ramjets, scramjets, and turbojets for hypersonic flight and...