Journal of Aerospace Engineering: Recent submissions
Now showing items 61-80 of 2380
-
Quantifying Gas Leak Rates through Regolith Feed Columns in Vacuum
(American Society of Civil Engineers, 2025)All in situ resource utilization regolith reactor systems that aim to extract gases or vapors must maintain a seal along the flow path of the regolith from the inlet hopper to where extracted gases or vapors are generated. ... -
Reinforcement Learning–Based Adaptive Fault-Tolerant Antidisturbance Control for UAVs Subjected to External Disturbances, Input Uncertainties, and Structural Uncertainties
(American Society of Civil Engineers, 2025)This paper presents a reinforcement learning (RL)–based adaptive fault-tolerant control scheme for quadrotor unmanned aerial vehicles (UAVs) subjected to external disturbances, input uncertainties, and structural uncertainties. ... -
Time-Efficient Hardware-in-the-Loop Aerodynamic Optimization
(American Society of Civil Engineers, 2025)A hardware-in-the-loop system was created for the purpose of aerodynamic optimization. The system was used for fully independent optimization of an automotive diffuser model in a wind tunnel, with linear actuators used to ... -
Dual Attention Smoothing Adaptation Networks for Aeroengine Multisource Cross-Domain Fault Diagnosis under Category Shift
(American Society of Civil Engineers, 2025)In aeroengine fault diagnosis, domain adaptation-based methods have effectively handled the data distribution shift caused by variations in operating conditions. However, current research mainly focuses on knowledge transfer ... -
Experimental Study of a Novel Circulation Control Device Based on Dual Synthetic Jets
(American Society of Civil Engineers, 2025)This paper proposes a circulation control device based on dual synthetic jets (DSJs), and its control effect was verified by wind tunnel tests. The experimental pressure and aerodynamic forces were measured to test the ... -
Internal Flow Structures in Tip Clearance Based on Time-Resolved Schlieren Visualization and Numerical Simulations
(American Society of Civil Engineers, 2025)Tip clearance flow is a critical feature of the blade tip region in turbomachinery considering the flow losses and instabilities. Simplified blade tip models were tested in a transonic wind tunnel with flow visualized by ... -
Parametric Analysis and Performance Optimization of Landing–Moving Integrated Gear for Mobile Lunar Lander
(American Society of Civil Engineers, 2025)The mobile lunar lander (MLL), a novel lander configuration endowed with both landing and moving capabilities, promises to serve as a mobile habitat for future lunar research station construction. This paper studies the ... -
Flow Mechanism of the Shock Structure and Secondary Flow Control in a Supersonic Compressor with a Nonaxisymmetric Endwall
(American Society of Civil Engineers, 2025)Shock is the main characteristic of supersonic compressors. There are relatively few studies of the control of shock structure and secondary flow in supersonic compressors by nonaxisymmetric endwall optimization. The lack ... -
Identification of Nonlinearity Sources in a Flexible Wing
(American Society of Civil Engineers, 2025)High aspect ratio flexible wings are of increasing interest for enhancing the aerodynamic efficiency of future designs. However, they often exhibit nonlinear dynamic behavior, complicating both testing and analysis. This ... -
SPRP-Based Variable-Fidelity Surrogate Model and Its Application in Helicopter Rotor Aerodynamic Performance Prediction
(American Society of Civil Engineers, 2025)A shape-preserving response prediction (SPRP)-based variable-fidelity model is developed in this paper to improve the computation efficiency in helicopter rotor computational fluid dynamics (CFD). In helicopter rotor CFD, ... -
Uniformly Stiffened Cantilever Plates under Bending
(American Society of Civil Engineers, 2025)A number of studies have shown that T-beams exhibit positive shear lag under bending; however, a detailed stress distribution profile of uniformly stiffened plates is rarely presented. The present study analyzes uniformly ... -
Improved CNP-Based Task Allocation for Large-Scale UAVs with Timing Constraints
(American Society of Civil Engineers, 2025)For task allocation for multiple uncrewed aerial vehicles (UAVs) with time -series constraints, a time sequence task allocation method based on an improved contract net protocol (CNP) algorithm is proposed considering the ... -
Effects of Rough Strips on Surface Wind Loads and Aerodynamic Forces on High-Rise Buildings
(American Society of Civil Engineers, 2025)This study replaces the auxiliary structures on the surface of high-rise buildings with vertical rough strips. Turbulent wind fields in the atmospheric boundary layer are generated using the narrow band synthesis random ... -
Performance Enhancement of Spacecraft Attitude Control Using Modified Robust Design Optimization in Presence of Sensor Noise
(American Society of Civil Engineers, 2025)In this study, a robust design optimization (RDO) algorithm is customized to reduce the effect of sensor noise on the accuracy of a nonlinear spacecraft attitude control. The spacecraft attitude is controlled using an ... -
Fast Aerodynamic Performance Prediction for Airfoils across Multiple Reynolds Numbers Using Deep Learning Method
(American Society of Civil Engineers, 2025)The paper proposes novel approaches to achieve rapid and accurate inference of aerodynamic performance parameters for airfoil optimization design using deep learning methods, compared with expensive computational fluid ... -
Observer-Based Robust Attitude Control of Liquid-Filled Flexible Spacecraft in a Fully Actuated System Framework
(American Society of Civil Engineers, 2025)An observer-based robust attitude controller is proposed for a complex spacecraft. The spacecraft consists of a rigid carrier, a flexible appendage, and a partially liquid-filled tank. The appendage is modeled as a ... -
Fast NMPC on SO(3) for Spacecraft Control in the Presence of Reaction Wheel Fault and Disturbance Torque
(American Society of Civil Engineers, 2025)The nonlinear model predictive control (NMPC) of an underactuated spacecraft equipped with reaction wheels on special orthogonal (Lie) group SO(3) is discussed regarding numerical efficiency. Due to off-centricity in its ... -
Numerical Investigation of the Influence of Fuselage Corner Bluntness on a High-Pressure Capturing Wing Configuration
(American Society of Civil Engineers, 2025)Under beneficial aerodynamic interference, the innovative high-pressure capturing wing (HCW) configuration exhibits remarkable aerodynamic performance at hypersonic speeds. At the same time, the additional lifting surface ... -
Multi-Objective Optimization of an Aeroengine Accessory Gearbox Transmission Based on a Heuristic Algorithm
(American Society of Civil Engineers, 2025)The accessory gearbox transmission is an essential component of an aeroengine, and it affects an aircraft’s safe operation. The high-reliability, lightweight design of accessory gearbox transmissions remains challenging ... -
Investigation of the Dynamic Properties of Viscoelastic Dampers with Three-Chain Micromolecular Configurations and Tube Constraint Effects
(American Society of Civil Engineers, 2025)Molecular chain structures have important impacts on the damping performance of viscoelastic materials/dampers. In the present work, a microstructure mathematical model of viscoelastic dampers is proposed that relies on ...