Articles techniques et présentations

Increasing energy demands in society have led to intensive fossil fuel usage, resulting in increasing carbon dioxide (CO2) emissions, one of the most significant greenhouse gases and major contributors to global warming. Considerable efforts have been made towards CO2 capture, storage, ... En savoir plus

In recent years, the development of artificial intelligence has enabled some disruptive innovations by changing the way research is conducted. More specifically, in computer science, a new way of developing algorithms has emerged, based on machine learning techniques. The core idea is to ... En savoir plus

The continuous inkjet technology is widely used in the industry for marking and coding, and reposes on the emission of charged droplets at high velocity and high frequency. The shape of the droplets and the length needed for the jet breakup are important indicators when designing a ... En savoir plus

本研究成功开发出一种多级梯度结构的OMI纤维膜，其特点包括由外至内纤维直径逐层递减、每层具有双峰纤维直径分布、以及有机-无机复合功能化策略。这种独特结构实现了低压阻下的高效空气过滤，并确保了长期热稳定性。该OMI纤维膜对PM0.3、PM1.0和PM2.5的过滤效率分别达到99.98%、99.99%和100%，且压阻仅为65 Pa。此外，针对压力场和颗粒过滤行为的CFD模拟结果与实验趋势一致。在250 °C热处理12小时后，该OMI纤维膜仍保持94.68%的PM0.3过滤效率和62 Pa的压阻。本研究证明了OMI纳米纤维膜在250 °C下的基础热稳定性与过滤潜力 ... En savoir plus

During the hot extrusion process, a cylindrical pre-heated billet is inserted into a container and is forced by a hydraulic press to flow through a shaped die in order to obtain, as final product, a profile with a constant cross-section (Fig.1). Aluminum extrudates have become prominent ... En savoir plus

The separation performance of several TPMS as stationary phases in Liquid Chromatography (LC) is investigated by the implementation, in Comsol Multiphysics, of the robust and computationally efficient homogenization approach, grounded on exact local and integral moments. Specifically, ... En savoir plus

Ultrasonic nondestructive testing (NDT) is extensively used in fields like medicine, oil and gas, and aerospace to inspect materials without causing damage. However, developing experimental setups and prototypes can be costly and time-consuming. This study employs advanced computational ... En savoir plus

A robust and computationally efficient homogenization approach, grounded on exact local and integral moments, is proposed to investigate the temporal evolution and asymptotic properties of the effective velocity vector and the dispersion tensor in Hydrodynamic Chromatographic Columns ... En savoir plus

This study focuses on the time-dependent behavior of moisture and carbon diffusion within the Fumasep FAA-3-30 membrane, utilized in moisture swing Direct Air Capture (DAC) systems. Understanding the concentration distribution of the species within the membrane over time, water flux and ... En savoir plus

X-rays represent high-energy electromagnetic radiation capable to penetrate matter and are therefore widely used in medical diagnostics, material testing and various other applications. They are typically produced by vacuum tubes with electrons emitted from a hot cathode and accelerated ... En savoir plus