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A Review on Laser Beam Shaping Application in Laser Powder Bed Fusion
22/05/2024 - Laser powder bed fusion (L?PBF) is extensively adopted in the aerospace and automobile industries for producing metallic components. The L?PBF process involves rapid melting and solidification of...
Highly Conductive Para-Aramid Fabric Prepared Via Bioinspired Poly(dopamine) Functionalization After an Improved Etching Process
21/05/2024 - The formation of a metallic layer on fiber substrates has aroused great interest in recent years due to the application of metal-deposited fiber composite materials in many fields, such as...
Simple and sensitive galactose monitoring based on capillary SERS sensor
- Galactosemia, a severe genetic metabolic disorder, results from the absence of galactose-degrading enzymes, leading to harmful galactose accumulation. In this study, we introduce a novel...
Polymeric Reactors for Catalytic Reactions beyond Earth
04/05/2024 - Chemical engineering is a core discipline for the activities in space exploration. The processes are independent of restrictions on Earth and have completely different requirements. This study shows...
Evaluation of the polycaprolactone hydrolytic degradation in acid solvent and its influence on the electrospinning process
02/05/2024 - This study presents a method for the rapid and efficient synthesis of high vinyl 1,2?polybutadiene liquid rubber using butadiene as the monomer and n?butyllithium as the initiator. By applying...
Micro/nano fillers for value?added polymer composites: A comprehensive review
25/04/2024 - Micro/nano fillers for value?added polymer composites.The need for new sustainable engineering materials using polymer composites is evolving every day. Researchers are in a race to develop...
Aerospace, Vol. 11, Pages 344: DBO-CNN-BiLSTM: Dung Beetle Optimization Algorithm-Based Thrust Estimation for Micro-Aero Engine
26/04/2024 - Thrust constitutes a pivotal performance parameter for aircraft engines. Thrust, being an indispensable parameter in control systems, has garnered significant attention, prompting numerous scholars...
Aerospace, Vol. 11, Pages 345: Rapid Tracking Satellite Servo Control for Three-Axis Satcom-on-the-Move Antenna
26/04/2024 - To overcome the possible gimbal lock problem of the dual-axis satcom-on-the-move (SOTM) antenna, a three-axis tracking satellite SOTM antenna structure appears. The three-axis SOTM antenna is...
Aerospace, Vol. 11, Pages 347: Empirical Modeling of Subcritical Hopf Bifurcation of Thermoacoustic Stirling Engine
26/04/2024 - This study models the subcritical Hopf bifurcation in thermoacoustic Stirling engines using the Stuart–Landau model, highlighting the role of nonlinear dynamics. By inducing self-sustained...
Aerospace, Vol. 11, Pages 346: Damage Effects and Mechanisms of High-Power Microwaves on Double Heterojunction GaN HEMT
26/04/2024 - In this paper, simulation modeling was carried out using Sentaurus Technology Computer-Aided Design. Two types of high electron mobility transistors (HEMT), an AlGaN/GaN/AlGaN double heterojunction...
Aerospace, Vol. 11, Pages 348: A Study of Lunar Regolith Obtained during the Apollo and Luna Space Programs Based on Principal Component Analysis
27/04/2024 - In this study, a modern principal component analysis (PCA) of the chemical properties of lunar soils was conducted. American and Soviet results acquired during the Apollo and Luna missions,...
Aerospace, Vol. 11, Pages 350: A Spacecraft Onboard Autonomous Task Scheduling Method Based on Hierarchical Task Network-Timeline
27/04/2024 - To address the inherent challenges of deep space exploration, such as communication delays and the unpredictability of spacecraft environments, this study focuses on enhancing spacecraft adaptability...
Aerospace, Vol. 11, Pages 349: Dynamic Behavior of Satellite and Its Solar Arrays Subject to Large-Scale Antenna Deployment Shock
28/04/2024 - Satellites should be equipped with more and more deployable, large, flexible appendages to improve their service efficiency and reduce launch costs. The spring-driven deployment method of flexible...
Aerospace, Vol. 11, Pages 351: Dense Feature Matching for Hazard Detection and Avoidance Using Machine Learning in Complex Unstructured Scenarios
28/04/2024 - Exploring the Moon and Mars are crucial steps in advancing space exploration. Numerous missions aim to land and research in various lunar locations, some of which possess challenging surfaces with...
Aerospace, Vol. 11, Pages 353: Experimental Validation of a Passive-Adaptive Slat Concept and Characterization under Sinusoidal Fluctuations in the Angle of Attack
29/04/2024 - This article presents an experimental investigation of a passive-adaptive slat concept, an aerodynamic control mechanism aimed at avoiding separation in the inwards region of a horizontal axis wind...
Aerospace, Vol. 11, Pages 352: Numerical Simulation of Water Film Flow and Breakup on Anti-Icing Surface
29/04/2024 - The flow and morphological characteristics of liquid water on the icing and anti-icing surfaces of aircraft are closely related to the icing characteristics and anti-icing surface temperature...
Aerospace, Vol. 11, Pages 356: Analysis of the Synchronized Locking Dynamic Characteristics of a Dual-Sidestay Main Landing Gear Retraction Mechanism
29/04/2024 - As an advanced design technology for large wide-body airliners, the three-dimensional (3D) dual-sidestay (DSS) landing gear retraction mechanism can share the ground loads transferred by the landing...
Aerospace, Vol. 11, Pages 355: Improvements in Probabilistic Strategies and Their Application to Turbomachinery
29/04/2024 - This paper discusses various strategies for probabilistic analysis, with a focus on typical engineering applications. The emphasis is on sampling methods and sensitivity analysis. A new sampling...
Aerospace, Vol. 11, Pages 354: CFD Simulations and Phenomenological Modelling of Aerodynamic Stall Hysteresis of NACA 0018 Wing
29/04/2024 - Computational simulations of three-dimensional flow around a NACA 0018 wing with an aspect ratio of AR=5 were carried out by using the Unsteady Reynolds-Averaged Navier–Stokes (URANS) equations...
Aerospace, Vol. 11, Pages 358: Effect of Intake Acoustic Reflection on Blade Vibration Characteristics
29/04/2024 - Recent studies in turbomachinery have shown that the phase of acoustic wave reflection within an intake can have either positive or negative effects on the aeroelastic stability of fan rotor blades....