Articles tagged with Aeronautical Engineering
A new study reveals how birds shift their shape in flight to navigate obstacles, offering insights into improved UAV designs. The research, published in Journal of the Royal Society Interface, used motion capture and wind tunnel modeling to analyze a Harris's hawk's flight patterns.
Researchers have developed a new method for cleaning oil spills using massive fire whirls, which can burn through crude oil nearly twice as fast as in-situ fire pools. The results show that fire whirls produce 40% less soot and consume up to 95% of the fuel, leaving fewer harmful particles behind.
Researchers developed a novel coating removal method using soluble abrasives, increasing material removal rate by over 58% compared to conventional methods. The new process eliminates risk of foreign object damage while maintaining high processing efficiency.
Contrails formed from plane exhaust meet icy air, growing into threads that trap heat and contribute to warming the planet. Combining images from geostationary and low-Earth-orbiting satellites may provide a more complete picture of contrail life and radiative properties.
Scientists have made significant progress in understanding turbulent airflow at high speeds, shedding light on the feasibility of hypersonic flight. According to a recent study published in Nature Communications, turbulence behavior at Mach 6 is remarkably similar to incompressible flow, suggesting that planes may not require an entire...
A new physics-based approach predicts how lightning strikes aircraft, identifying vulnerable regions for protection. The tool can be applied to any shape of aircraft, including unconventional designs.
Researchers at the University of Surrey propose a method to provide accurate aerodynamic drag data more efficiently during early stages of aircraft design. AeroMap enables reliable estimates up to 10 times faster than current simulations, supporting the development of fuel-efficient aircraft configurations.
The team successfully tested a hybrid Cessna 337 plane with a smaller, more efficient silicon carbide-based motor drive system. The technology reduces the overall size and weight of the plane, making it ideal for small aircraft where space is limited.
Dr. Chris Thomas recognized for technical excellence and leadership in combustion technologies, including propulsion systems and battery safety. His research has led to significant contributions to the field of blast physics and lithium-ion battery safety.
Researchers at Virginia Tech have developed an AI-powered system to detect flaws in wire-arc additive manufacturing, a faster approach to producing complex components. The technology enables real-time defect detection and correction, reducing waste and improving quality.
A new study highlights human factors and training deficiencies as leading contributors to fatal general aviation accidents. Researchers recommend more affordable recurrent training methods, including in-air training, flight simulators, and emerging technologies.
A new study led by University of Waterloo researchers found that female pilots tend to make fewer flight control errors under stress, despite similar visual attention patterns. The findings challenge gender bias in aviation performance and suggest a need for more inclusive pilot training and evaluation systems.
Researchers are applying Model-Based Systems Engineering to enhance system resilience and protect against cyber threats in aerospace. The initiative aims to create robust frameworks for safeguarding emerging technologies, with potential benefits including job creation and skills development.
FAPESP is hosting researchers and startups from São Paulo in France to present their health and aeronautics research, strengthening international collaborations. The event includes scientific forums, startup pitches, and networking opportunities.
The design enables liquid hydrogen to be used as both a clean fuel and a built-in cooling medium, achieving an optimal gravimetric index of 0.62, which is significantly better than conventional designs. The system uses tank pressure control to regulate the flow of hydrogen fuel without mechanical pumps.
The University of Texas at Arlington (UTA) has been awarded a $1 million NASA grant to develop safety systems for drones and unmanned flying vehicles. The project aims to create an adaptive safety assurance architecture through extensive simulations and experimental testing, making future advanced air mobility vehicles smarter and safer.
UTA's expansion of its undergraduate research program has enabled students to present their work at major symposiums, including the American Institute of Aeronautics and Astronautics conference. The program has strengthened students' commitment to pursuing graduate studies in various fields.
Researchers developed an interactive tool to compare the efficiency of four sustainable propulsion systems: e-SAF, battery-electric, hydrogen fuel cell, and hydrogen combustion. The tool considers factors like renewable electricity required, sustainability, and cost. It aims to provide a strategy for thinking about sustainable aviation...
Researchers at Case Western Reserve University have developed high-performance, low-cost zinc-sulfur batteries with enhanced energy capacity, improved conductivity and stability. These advancements address long-standing safety concerns and enable smaller, longer-lasting designs.
Researchers studied kestrels' hovering flight behavior, revealing insights that could improve drone stability in turbulent conditions. The study found that birds use changes in wing surface area to achieve stable flight, a method that could be applied to morphing wings in drones.
A team of scientists and engineers designed an electrolyte that maintains high power delivery during charging and discharging cycles. This innovation addresses the key challenge of low power delivery at landing stages in electric aircraft, where batteries are not fully charged.
Researchers used psycho-acoustic simulations and auralization to assess the noise emissions of new aircraft designs, including a blended wing body. The results show that the new design is rated significantly less noisy than conventional passenger jets, with take-offs leaving a more unfamiliar sound impression.
A recent study published in Scientific Reports identified the risk of virus exposure during face-to-face encounters as peaking within 5 seconds. The researchers used a mobile full-scale mannequin and particle-tracking velocimetry system to visualize and measure aerosol particles derived from exhaled air.
Scientists at Duke University have engineered materials capable of producing tunable plasmonic properties while withstand extremely high temperatures. The new high-entropy carbides can achieve improved communications and thermal regulation in aerospace technologies, including satellites and hypersonic aircraft.
Researchers create new 'roadmap' for turbulence by analyzing weak turbulent flow between two independently rotating cylinders. They discover that turbulence follows a predictable pattern of recurrent solutions, which explain the emergence of coherent structures in turbulent flows.
The MIT team developed a levitating rover design using ion thrusters, capable of producing enough repulsive force to hover on the moon and larger asteroids. The concept uses tiny ion beams to charge up the vehicle and boost its natural surface charge.
A team of scientists from Tokyo University of Science has developed a machine learning-based tool to predict thermoacoustic oscillations in engines. The tool uses dynamical systems theory and can classify combustion into three states, identifying pressure fluctuations that indicate future combustion oscillations.
Researchers from Tokyo University of Science developed a computationally quick approach to predict molten droplet solidification on a solid surface. The model simulates the solidification process by considering the droplet behavior and heat transfer between the hotter droplet and cooler surface, replicating experiments with high accuracy.
Researchers discovered that power-law distributions are common in various systems, including the internet, due to the 'rich get richer' effect. This phenomenon can be influenced by tradeoffs between network distance and connection numbers.
Research at UC Davis explores the effects of ocean nanoparticles and vehicle emissions on atmospheric conditions. The study aims to develop models for measuring and predicting nanoparticle transients in the atmosphere.