Journal of Aerospace Engineering: Recent submissions
Now showing items 21-40 of 2294
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Aerodynamic Flutter Analysis Based on Experimental and Hybrid Modal Parameters
(American Society of Civil Engineers, 2024)The use of experimental data is a relevant topic in aeroelasticity. A new aircraft prototype design and certification involve both flutter analysis and tests. The latter is essential to assess a proper finite element (FE) ... -
A Novel Hybrid Aeroengine Modeling Method for Combining Data-Driven Modules
(American Society of Civil Engineers, 2024)Aeroengine models are widely used to identify aerodynamic parameters of components and play an important role in many applications. Due to differences in gas path characteristics, traditional physics-based models do not ... -
State-Space Perturbation Analytical Solution for the Dynamics of Launch-Vehicle Boost Phase
(American Society of Civil Engineers, 2024)Rapid launching is a crucial technology for the digitalization and regularization of space transportation systems. This paper focuses on the fast trajectory prediction of the launch-vehicle boost phase. A high-precision ... -
Optimized Generative Topographic Mapping Method for Aerodynamic Design Optimization
(American Society of Civil Engineers, 2024)This paper proposes a nonlinear space dimension reduction method named Optimized Generative Topographic Mapping (OGTM). The Generative Topographic Mapping (GTM) method relies on the training sample set to capture the ... -
Machine Learning–Aided Synthetic Air Data System for Commercial Aircraft
(American Society of Civil Engineers, 2024)Air data inertial reference system (ADIRS) parameters are very important for the safe flight of an aircraft. The ADIRS consists of air data inertial reference units (ADIRUs) and the air data reference (ADR) part of the ... -
Neural Network–Assisted Initial Orbit Determination Method for Libration Point Orbits
(American Society of Civil Engineers, 2024)Classic initial orbit determination (IOD) methods are mainly based on the hypothesis of unperturbed Keplerian motion and are inapplicable for Libration point orbits (LPOs). To this end, this paper proposes a neural ... -
Detecting the Inherent Modulation Phenomenon of High-Lift Configuration Noise Using the Hilbert–Huang Transform
(American Society of Civil Engineers, 2024)The phenomenon of multiple tones is a typical feature of high-lift configuration noise, and the underlying nonlinear and nonstationary features need to be revealed through time-frequency analysis. This paper introduces the ... -
Ground Effects on the Aerodynamic Performance of Microducted Fan Systems
(American Society of Civil Engineers, 2024)Near-ground flight is an important state of microducted fan aircraft. To explore the ground effects on the aerodynamic performance of microducted fan systems in near-ground hovering, a full three-dimensional (3D) numerical ... -
Dynamic Stall Alleviation of a Helicopter Blade Section in Forward Flight Condition Using an Optimized Combination of Active Nose Droop and Active Gurney Flap
(American Society of Civil Engineers, 2024)This study investigates the potential of an optimized combination of active nose droop and active Gurney flap (CADAG) in a new flow control strategy to manage dynamic stall over a pitching blade section under variable Mach ... -
Optimal Transition of Coaxial Compound Helicopter after Total Propeller Failure
(American Society of Civil Engineers, 2024)The research explores transition strategies of a coaxial compound helicopter transitioning to pure coaxial-rotor mode following a complete aft propeller failure. For that, a flight dynamics model is developed to predict ... -
Refined Bird Model Considering Soft and Skeletal Tissues for Bird Impact Simulation
(American Society of Civil Engineers, 2024)To more accurately characterize the load characteristics of birds under the impact of aviation structures, this study conducted computed tomography scanning of a 1-kg chicken and proposed a geometric model of the bird, ... -
Finite-Time Guidance and Control for Uncrewed Receiver Aircraft in Aerial Refueling Rendezvous
(American Society of Civil Engineers, 2024)This paper investigates a problem of autonomous aerial refueling point parallel rendezvous guidance and flight control subject to exogenous wind field disturbances. The tanker and uncrewed receiver aircraft approach the ... -
Design and Analysis of a New Buffer Structure with Negative Stiffness and Poisson’s Ratio
(American Society of Civil Engineers, 2024)A new structure with negative stiffness and negative Poisson’s ratio was designed to exhibit these characteristics during compression, energy absorption, and energy storage. The structure also shows improved impact resistance ... -
Buoyancy Effect of Bristles for a Brush Seal with Disturbance-Suppressing Holes
(American Society of Civil Engineers, 2024)Bristles in the first few rows float up from the rotor surface due to the radial airflow in the gap between the front plate and bristle pack, which directly affects seal performance and the service life of a brush seal. ... -
Experimental Exploration of Bioinspired Planar Wingtip Devices for a Flat-Plate Wing in the Low Reynolds Number Regime
(American Society of Civil Engineers, 2024)This study investigates the use of planar wingtip attachments to improve the lift generating performance of low aspect ratio (AR) flat-plate wings in the low Reynolds number (Re) range (<105). Inspired by nature’s ... -
An Evaluation of Torque Characteristics of a Spherical Magnetohydrodynamic Attitude Control Device
(American Society of Civil Engineers, 2024)This study presents an innovative approach to attitude control in microsatellites by utilizing a spherical magnetohydrodynamic attitude control device (MHD-SACD) for three-axis attitude adjustments. A novel method is ... -
Determining Peak Shock Pressure and Cratering due to Hypervelocity Meteoroid Impact on Lunar Structures for Engineering Design
(American Society of Civil Engineers, 2024)Lunar bases for long-term human habitation are a topic of growing interest to engineers. Structures to be built on the surface of the Moon must be designed to resist extreme environmental hazards such as hard vacuum/no ... -
Optimal Scheduling of K-M-N GEO On-Orbit Service Network Based on Hybrid Simulated Annealing Algorithm
(American Society of Civil Engineers, 2024)A K-M-N on-orbit service network architecture and its mission scheduling problem are proposed and studied, in which K space service stations and M service spacecraft are scheduled to service for N target spacecraft. The ... -
Numerical Investigation of the Effect of the Cavity on Flow Control of Continuous Pulses Opposing Plasma Synthetic Jets in Hypersonic Flow
(American Society of Civil Engineers, 2024)Pulse opposing plasma synthetic jets (OPSJs) have potential for reducing the drag coefficient of hypersonic airfoils. This paper numerically investigated the effects and flow control mechanisms of a continuous nanosecond ... -
Topology Optimization of 3D Turbine Disk Considering Thermal Load Based on BESO Method
(American Society of Civil Engineers, 2024)To achieve a high thrust-to-weight ratio engine design, topology optimization design of the turbine disk structure is carried out. Considering centrifugal load and thermal load, a topology optimization algorithm program ...