Transporte

Transporte

Uncertainty design and optimization of a hybrid rocket motor with mixed random-interval uncertainties
- AbstractUncertainties, which exist widely in the design of aerospace systems, have a great impact on system response and may lead to design failures. Both the probability and non-probability...
Energy density capability and upconversion luminescence in Er3+/Yb3+-codoping BNT-based ferroelectric thin films
- Smart materials with multiple functions are the preferred materials for technological applications in military, medical, aerospace science and technology, and architecture. However, developing...
Investigation of buckling of laminated composites repaired by resin injection using acoustic emission and cohesive zone simulation method
15/10/2022 - Due to their low weight ratio, excellent damping behavior, and high strength characteristics, composite materials are widely used in different industries, including aerospace. Despite the...
A scaled test on the damage and vibration behavior of reinforced concrete nuclear containment subjected to a large aircraft impact
- After the 9/11 terrorist attacks in the United States, the ability of nuclear power plants (NPPs) to resist the malicious impact of large commercial aircraft has become a focus in the nuclear...
Synthesis of thiol?functionalized resin and its adsorption of heavy metal ions
06/08/2022 - A series of polyureas with reversible disulfide bonds were designed and fabricated, and the effect of chain extender content on the microstructure, mechanical properties and self?healing ability of...
Recent research progress in TiAl matrix composites: a review
05/08/2022 - Abstract TiAl alloys are regarded as ideal lightweight structural materials above 600 °C and show remarkable application prospects in the field of aerospace materials. However,...
Aerospace, Vol. 9, Pages 434: Modular Self-Reconfigurable Satellite Inverse Kinematic Solution Method Based on Improved Differential Evolutionary Algorithm
06/08/2022 - The modular self-reconfigurable satellites (MSRSs) are a new type of satellite that can transform configuration in orbit autonomously. The inverse kinematics of MSRS is difficult to solve by...
Aerospace, Vol. 9, Pages 433: Aircraft Lateral-Directional Aerodynamic Parameter Identification and Solution Method Using Segmented Adaptation of Identification Model and Flight Test Data
06/08/2022 - Current aerodynamic parameter identification methods take the consistency between the response of the motion model reconstructed with the identified aerodynamic parameters and flight data as an...
Aerospace, Vol. 9, Pages 432: Numerical Simulation of the Flow in Two-Phase Supersonic Underexpanded Gas–Particle Jets Exhausting into a Slotted Submerged Space
05/08/2022 - A simplified 2D model for calculating two-phase gas–particle flows in a slot space has been developed. The model can be used for fast calculation and estimation of supersonic-flow...
Aerospace, Vol. 9, Pages 430: Numerical Investigation on Transient Effect of Jet Interference Characteristics of Lateral-Jet-Controlled Spinning Missile
05/08/2022 - At present, there is no publicly published research on the unsteady interference effect in the start-up process of the lateral jet control of the spinning missile. The variation of aerodynamic...
Aerospace, Vol. 9, Pages 431: Development and Validation of a Novel Control-Volume Model for the Injection Flow in a Variable Cycle Engine
05/08/2022 - The variable area bypass injector (VABI) plays a crucial role in variable cycle engines by regulating the flow mixing process in complex bypass ducts, and low-dimensional theoretical models are the...
Aerospace, Vol. 9, Pages 429: Attitude Autopilot Design Based on Fuzzy Linear Active Disturbance Rejection Control
05/08/2022 - In view of the multi-source uncertainty disturbance problem during flight control, the attitude autopilot based on fuzzy linear active disturbance rejection control (F-LADRC) was proposed. A...
Combination of Sentinel-2 Satellite Images and Meteorological Data for Crop Water Requirements Estimation in Intensive Agriculture
05/08/2022 - In arid and semi-arid regions, agriculture is an important element of the national economy, but this sector is a large consumer of water. In a context of high pressure on water resources, appropriate...
Research on Integrated Navigation System of Agricultural Machinery Based on RTK-BDS/INS
05/08/2022 - To improve the positioning accuracy and reliability of autonomous navigation agricultural machinery and reduce the cost of high-precision positioning, an integrated navigation system based on...
Studies on the Thermodynamic Properties of C/ph Irradiated by Intense Electron Beams
05/08/2022 - The thermal shock wave and blow-off impulse are important phenomena of the thermodynamic effects produced in material bombarded by electron beams. The experimental results of the blow-off impulse in...
Enhanced PTC Effect in Polyamide/Carbon Black Composites
05/08/2022 - Self-heating nanocomposites with a positive temperature coefficient (PTC) provide outstanding potential for a broad range of engineering applications in automobile, spacecraft, or smart building....
Thermostructural Numerical Analysis of the Thrust Chamber of a Liquid Propellant Rocket Engine
07/08/2022 - The numerical simulation of rocket engine thrust chambers is very challenging as several damaging phenomena, such as plasticity, low-cycle-fatigue (LCF) and creep occur during its service life. The...
A new appraisal of critical B parameter in compressor aerodynamic instability design
- AbstractCompressor is the core component of aero-engines, turbochargers, and
Trajectory and effectiveness of film cooling in endwall crossflow
- AbstractThe crossflow, one of the most important flow structures in the turbine endwall, has significant...
Aerospace, Vol. 9, Pages 425: A Strong Form Meshless Method for the Solution of FGM Plates
04/08/2022 - Laminated composite structures suffer from failure because of concentrations of gradient fields on interfaces due to discontinuity of material properties. The rapid development of material science...
Aerospace, Vol. 9, Pages 424: Anti-Interception Guidance for Hypersonic Glide Vehicle: A Deep Reinforcement Learning Approach
04/08/2022 - Anti-interception guidance can enhance a hypersonic glide vehicle (HGV) compard to multiple interceptors. In general, anti-interception guidance for aircraft can be divided into procedural guidance,...