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Aerospace Engineering

The design and development of aircraft and spacecraft, including aerodynamics, propulsion, structures, avionics, orbital mechanics, and the engineering challenges of atmospheric and space flight

3 papers

Papers

Milling Force Model for Aviation Aluminum Alloy: Academic Insight and Perspective Analysis

The paper reviews three main methods for modeling milling forces in aviation aluminum alloys: empirical models, finite element models, and instantaneous milling force models. While each approach has its merits, the review highlights key limitations, particularly in their ability to accurately account for real-world machining complexities like tool wear, vibration, and the use of minimum quantity lubrication.

Aerospace Engineering Jul 14, 05:22 PM

High-pressure supersonic carbon dioxide (CO2) separation benefiting carbon capture, utilisation and storage (CCUS) technology

High-pressure conditions make carbon dioxide condensation easier in a supersonic nozzle. Integrating a supersonic nozzle and separator with swirling flows enhances CO2 separation, with higher heterogeneous droplet concentrations further boosting efficiency and reducing energy consumption. This technology is particularly applicable to offshore natural gas processing, offering a more sustainable and cost-effective approach to carbon capture and storage.

Aerospace Engineering Jul 14, 10:39 AM

A Comprehensive Survey on "Various Decoupling Mechanisms With Focus on Metamaterial and Metasurface Principles Applicable to SAR and MIMO Antenna Systems"

This paper surveys various techniques for reducing mutual coupling in antenna arrays used in Synthetic Aperture Radar (SAR) and Multiple-Input Multiple-Output (MIMO) systems. It focuses on methods employing metamaterials (MTM) and metasurfaces (MTS) to improve isolation between antenna elements, ultimately enhancing system performance by minimizing interference.

Aerospace Engineering Jul 14, 10:38 AM