Transporte

 

Transporte

Monitoring air quality of Sharkia Governorate using remote sensing
01/10/2024 - Abstract Due to Sharkia population’s rapid growth, the crises of atmospheric pollutants are causing significant concern. These circumstances have positive and negative impacts...
Self?defending mechanism of C/TaC?SiC composites under 2100°C cyclic ablation environment
17/07/2024 - To achieve the repeatability of aerospace thermal components, C/TaC?SiC composites were fabricated. Cycle ablation and bending tests were carried out. After 3 × 60 s of ablation beyond 2100°C,...
Syringaldehyde?DOPO derivative for enhancing flame retardancy and mechanical properties of epoxy resin
14/07/2024 - With the wide application of epoxy resins in adhesives, electronic packaging materials, and aerospace fields, it is necessary to prepare high?performance flame?retardant epoxy resins to reduce the...
Environmental impacts of shifts in surface urban heat island, emissions, and nighttime light during the Russia–Ukraine war in Ukrainian cities
04/07/2024 - As recent geopolitical conflicts and climate change escalate, the effects of war on the atmosphere remain uncertain, in particular in the context of the recent large-scale war between Russia and...
Structural design of multifunctional PET non?woven fabric with porous dual?network for infrared stealth, flame retardant, and electromagnetic interference shielding
20/06/2024 - With rapid advances in electronic and communication technology, electromagnetic interference and other problems are becoming increasingly prominent. Thus, electromagnetic interference shielding...
Fiber?Reinforced Energy?Absorbing and Vibration?Isolating Mechanical Metamaterials Based on Triply Periodic Minimal Surfaces
19/06/2024 - Mechanical metamaterials designed using triply periodic minimal surfaces (TPMS) are notable for their mathematically defined topologies that yield specific and impressive mechanical properties....
Nano silica grafted on modified polyacrylonitrile fiber improves the interfacial strength of fiber?reinforced concrete
11/06/2024 - Mechanical Properties of epoxy resin foams.AbstractEpoxy resin foams are lightweight materials commonly utilized as core materials in shipbuilding and aerospace applications. Mechanical properties...
A Study of Microstructural Tensile and Fatigue Properties Coupled with Digital Image Correlation of Hybrid Manufactured Inconel 718 Parts by Extrusion and Powder Bed Fusion
02/06/2024 - Hybrid structures combining powder bed fusion and conventional manufacturing have the potential to minimize drawbacks while enhancing the advantages associated with each individual manufacturing...
Multiphase Symbiotic Engineered Elastic Ceramic?Carbon Aerogels with Advanced Thermal Protection in Extreme Oxidative Environments
03/06/2024 - Elastic aerogels could dissipate aerodynamic forces and thermal stresses by reversible slipping or deforming to avoid sudden failure caused by stress concentration, making them the most promising...
The influence of mold design and process parameters on dimensional shrinkage of perfluoroalkoxy alkane injection molding parts
03/06/2024 - Hollow glass fiber embaded in silicone resin makes liner material. It was found that it has good life span and futher thermal stability is stablize by Arhinious modified model.AbstractLiner materials...
Preparation And Characterisation Of Ti?6?4 And Ti?8?1?1 MMCs With High Specific Stiffness Using Powder Hot Extrusion And Arc?Remelting
29/05/2024 - Titanium alloys with high stiffness are crucial for aerospace engineering and are often fabricated using additive manufacturing methods like arc or laser techniques. These high energy processes alter...
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...