Transporte

Transporte

Uncertainty optimization design of airfoil based on adaptive point adding strategy
- AbstractA new and effective uncertainty optimization design framework based on adaptive point adding strategy is proposed to design and optimize the
Unsteady behavior of hypersonic inlet unstart caused by high angle of attack
- AbstractUnstart is an undesirable flow phenomenon at the inlet that severely reduces the air mass flow...
On the mechanisms of the multiplicity and bifurcation of detonation waves in 3D rotating detonation engines
- AbstractThe mechanisms of the multiplicity and bifurcation of detonation waves in 3D rotating...
Construction of hierarchical Co, Fe Co-doped MoS2/polypyrrole heterostructure as an efficient bifunctional catalyst for enzyme-like and nitrophenol catalysis
- Constructing tubular MoS2-based hybrid composites with heterostructure is effective for enhancing the catalytic performance of hybrid nanozymes. Herein, we present a multi-step...
Controllable depositing behaviors and deposited morphologies of inkjet droplets on high energy surface
- The high energy surface (HES) could realize a super-spreading process for droplet. In this work, a facile method was applied to fabricate HES by hydrothermally treating aluminum foil. The inkjet...
Co and Hf co-doped BaFeO3 cathode with obviously enhanced catalytic activity and CO2 tolerance for solid oxide fuel cell
- It is essential to develop efficient and stable cathode materials operated at intermediate temperature for the application of solid oxide fuel cell. In this work, BaFeO3–? based perovskite oxide...
Optimization of block structure parameters of PEMFC novel block channels using artificial neural network
- Flow channel design is critically important to the performance of proton exchange membrane fuel cell (PEMFC) due to its great influence on liquid water removal and mass and heat transfer. Block...
Study of mechanical anisotropy of single walled carbon nanotube and polyvinyl alcohol polymer nanocomposite with a controlled alignment process
29/09/2022 - Abstract Single Walled Carbon Nanotube (SWCNT) and polyvinyl alcohol (PVA) Polymer nanocomposites with the controlled mechanical alignment process have been used for structural...
Aerospace, Vol. 9, Pages 566: Effect of Fuel-Injection Distance and Cavity Rear-Wall Height on the Flameholding Characteristics in a Mach 2.52 Supersonic Flow
29/09/2022 - The ethylene-fueled flameholding characteristics of a cavity-based scramjet combustor are experimentally and numerically investigated. The test facility used the air heater, which heats air from room...
Aerospace, Vol. 9, Pages 565: A Review on Solid-State-Based Additive Friction Stir Deposition
29/09/2022 - Additive manufacturing (AM) is an important technology in Industry 4.0. In recent years, solid-state-based additive friction stir deposition (AFSD) has attracted much attention, as it can avoid the...
Aerospace, Vol. 9, Pages 568: Dynamic Prediction of Air Traffic Situation in Large-Scale Airspace
29/09/2022 - Air traffic situation prediction is critical for traffic flow management and the optimal allocation of airspace resources. In this study, the multi-sector airspace scenario is abstracted into an...
Aerospace, Vol. 9, Pages 567: Investigation and Improvement of T-Tail Junction Flow Separation for a Demonstration Aircraft
29/09/2022 - Flow separation is easily induced at the junctions of aircraft components, and for aircraft with T-type tails, in particular, it can lead to loss of directional stability under a small sideslip...
Aerospace, Vol. 9, Pages 570: Simulation of and Experimental Research on Rivulet Model on Airfoil Surface
29/09/2022 - The occurrence of aircraft icing can significantly affect flight performance. One of the most important aspects in the study of anti-icing technology for aircraft is the distribution of overflow...
Aerospace, Vol. 9, Pages 571: Integrated Control Scheme for an Improved Disturbance-Free Payload Spacecraft
29/09/2022 - For a novel disturbance-free payload (DFP) spacecraft, it is difficult to isolate the low-frequency disturbances owing to the umbilical cables, which decreases the pointing accuracy and stability of...
Aerospace, Vol. 9, Pages 569: Good Match between “Stop-and-Go” Strategy and Robust Guidance Based on Deep Reinforcement Learning
29/09/2022 - This paper deals with the guidance problem of close approaching small celestial bodies while autonomously navigating with an optical camera. A combination of a deep reinforcement learning (DRL)-based...
Conservation of the Beira Railway Station in Mozambique: Lessons from a 20th-Century Heritage Case Study in Africa
29/09/2022 - The conservation of built cultural heritage is a fundamental task for modern societies. Specialized expertise is necessary to define a proper strategy to preserve a heritage that is accumulating...
Femtosecond UV Laser Ablation Characteristics of Polymers Used as the Matrix of Astronautic Composite Material
29/09/2022 - Ultrafast laser processing has recently emerged as a new tool for processing fiber-reinforced polymer (FRP) composites. In the astronautic industry, the modified epoxy resin (named 4211) and the...
Gelatin Nanoparticles for Complexation and Enhanced Cellular Delivery of mRNA
29/09/2022 - Messenger RNA (mRNA) is increasingly gaining interest as a modality in vaccination and protein replacement therapy. In regenerative medicine, the mRNA-mediated expression of growth factors has shown...
Recent Trends in Magnetic Polymer Nanocomposites for Aerospace Applications: A Review
29/09/2022 - Polymers have had an enormous impact on science and technology, and their interest relating to the development of new macromolecular materials has exponentially increased. Polymer nanocomposites,...