Transporte

Transporte

Nonlinear primary resonance behaviors of rotating FG-CNTRC beams with geometric imperfections
- This study aims at investigating the geometric imperfection sensitivity of nonlinear primary resonance behaviors of a rotating functionally graded carbon nanotube reinforced composite (FG-CNTRC)...
Magnetic graphene oxide/carbon fiber composites with improved interfacial properties and electromagnetic interference shielding performance
- The poor interfacial properties of carbon fiber reinforced composites (CFRPs) limit their important applications in the aerospace industry. To address the shortcoming, magnetic graphene oxide...
Plasma Spray Coating of Aluminum–Silicon-MWCNT Blends on Titanium Grade 5 Alloy Substrate for Enhanced Wear and Corrosion Resistance
13/01/2022 - In this present research, the wear resistivity of aerospace material titanium grade 5 alloy (Ti6Al4V) is improvised by coating it with 70% aluminium (99% pure) mixed with varying proportions of...
Investigation of the partially premixed turbulent combustion through the PRECCINSTA burner by large eddy simulation
- The turbulent combustion processes within full annular PRECCINSTA combustor were investigated numerically in the present study. Dynamic thickened flame model was implemented to simulate the...
Multi-strategy fusion differential evolution algorithm for UAV path planning in complex environment
- The path planning of Unmanned Aerial Vehicle (UAV) is a real-world optimization problem, and even develops into a hard optimization problem with many objectives and constraints when UAVs work in a...
Vision-based reduced-order adaptive control of aerial continuum manipulation systems
- In this paper, a vision-based control method for aerial continuum manipulation systems (ACMSs) is proposed. The objective of this paper is to design a proper controller for highly nonlinear and...
Flow structure and fuel mixing of hydrogen multi-jets in existence of upstream divergent ramp at supersonic combustion chamber
- The enhancement of fuel distribution within the combustion chamber significantly affects the productivity of scramjet engine. In current effort, comprehensive efforts have been performed to...
Identification of the key design inputs for the FEM-based preliminary sizing and mass estimation of a civil aircraft wing box structure
- FEM-based preliminary structural sizing has been successfully carried out for a typical single-aisle wing box structure using MSC Nastran, by considering various load cases representing typical...
Numerical investigation of supersonic flow over a parachute-like configuration including turbulent flow effects
- Numerical simulations are conducted to investigate supersonic flow over a rigid parachute-like model with a small trailing distance at a freestream Mach number of 2.0 and freestream Reynolds...
Superdurable fiber-reinforced composite enabled by synergistic bridging effects of MXene and carbon nanotubes
- The corrosion of fiber-reinforced polymer (FRP) composite has given rise to a tricky problem with implications in many fields including civil, aerospace, and environment. The degraded mechanical...
Controlling mass loss from RTM6 epoxy resin under simulated vacuum infusion conditions
01/03/2022 - A certified aerospace resin (RTM 6) normally utilised for resin transfer moulding is considered for vacuum infusion. The resin was subjected to simulated vacuum infusion conditions by using a...
Effect of Variations in Microwave Processing Temperatures on Microstructural and Mechanical Properties of AA7075/SiC/Graphite Hybrid Composite Fabricated by Powder Metallurgy Techniques
12/01/2022 - Due to the demand in present industrial, aerospace, defense sectors for lightweight high-performance aluminum (Al) particle-reinforced metal matrix composites, the advancement of techniques to...
Evaluation of embedded buckypaper sensors in composite overwrappedped pressure vessels for progressive damage monitoring
15/03/2022 - Composite overwrapped pressure vessel (COPV) with their excellent specific properties and fatigue resistance are used for high-pressure storage in aerospace industries. To predict the life of COPV...
Ageing of PEEK/Carbon Fibre composite under electronic irradiations: Influence on mechanical behaviour and charge transport
- Polymer used in satellite manufacturing are exposed to surface charging phenomenon due to electronic irradiations. This phenomenon can induce electrostatic discharges (ESD) which can lead to...
The Role of Nanowires in Advancing X-Ray Imaging
10/01/2022 - Scientific research, medical imaging, and safety monitoring have used X-rays in the past and continue to do so in the present. Since the introduction of X-rays, radiation sensing has been a topic of...
Numerical simulations of thermal environment of the rocket impingement jet with afterburning under different water spray angles
- To investigate the effect of afterburning and water injection on the thermal environment of the rocket jet flow, three-dimensional hybrid RANS/LES method and a nine-species and ten-step chemical...
Numerical investigations on the key contributing factor and flow features of compressor stall hysteresis
- The key contributing factor and flow features of stall hysteresis in compressor are explored in this paper. With the help of Moore-Greitzer model, the ratio of shut-off head to compressor...
UAV trajectory optimization using chance-constrained second-order cone programming
- It is challenging to generate optimal trajectories for nonlinear dynamic systems under external disturbances. In this brief, we present a novel approach for planning safe trajectories of the...
Geometry scaling technique and application to aerodynamic redesign of multi-stage transonic axial-flow compressors
- Geometry scaling technique, as one of the essential steps in aerodynamic redesign of multi-stage compressor, directly determines whether the new scaled geometry meets the required performance or...