Articles tagged with Airplanes
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NTU Singapore has unveiled its first locally designed and built full-sized eVTOL aircraft technology demonstrator, combining aerodynamic efficiency with hovering capability. The aircraft was developed over three years by researchers and engineers, powered by NTU-designed electric motors and featuring eight lift rotors.
Researchers developed a self-healing composite that can repair itself over 1,000 times and extend the lifetime of conventional fiber-reinforced composite materials by centuries. The material targets interlaminar delamination, which occurs when cracks cause fiber layers to separate from the matrix.
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.
Southwest Research Institute (SwRI) will predict F-16 landing gear component lifespan and recommend maintenance improvements under a $9.9 million contract. The seven-year agreement leverages SwRI's aging aircraft expertise in probabilistic analysis, fatigue testing.
A team at the University of Kansas will develop intelligent spectrum management frameworks to enable reliable communication for drones. They aim to study how to use a proposed 5030-5091 MHz frequency band efficiently, with potential benefits including quicker deliveries and improved emergency response.
A new MIT study analyzes airline safety trends over the past few decades and finds that commercial flight has become roughly twice as safe each decade since the 1960s. The study estimates that passengers are about 39 times safer than they were in the 1968-1977 period, with a 1 in 13.7 million risk of fatality per boarding.
New research has found that companies on the periphery of industry networks can successfully build connections and gain influence after disruptions. By examining airline industry networks, researchers discovered that peripheral airlines were more successful in building connections with central firms following major changes or shocks.
Researchers use carbon nanotubes to prevent cracking in multilayered composites, improving resistance by up to 60%. This innovation could lead to safer and more durable aircraft with advanced composite materials.
Researchers at KTH Royal Institute of Technology have developed a method to manipulate the shape of materials through microscale melting and cooling, enabling autonomous shapeshifting in 3D. This technology has far-reaching implications for industries such as aerospace and architecture.
Researchers developed a new method for capturing turbulent flame behavior, providing detailed insights into flame dynamics, ignition processes and combustion efficiency. The high-speed 3D imaging approach can be used to optimize energy production processes and improve fire safety measures.
Researchers analyzed 1.8 million aircraft operations and 460,000 sUAS flights to identify 24 near-midair collisions. The study suggests extending runway exclusion zones for drones at high-risk airports to improve safety.
A new study found that people exposed to moderate aircraft noise were less likely to get the minimum recommended sleep each night. The risk increased among those living near airports or large water bodies, as well as those with no hearing loss. Exposure levels as low as 45 dB were associated with short sleep duration.
A study from the University of East Anglia found that environmental impact assessments often fail to account for species movement between sites, leading to underestimated impacts on wildlife. The research highlights a planned airport development in Portugal that could affect over 10 times the number of Black-tailed Godwits estimated by...
Researchers at Lancaster University have discovered how energy disappears in quantum turbulence, a crucial step towards mastering this phenomenon and its applications. The study reveals the role of Kelvin waves in transferring energy from macroscopic to microscopic length scales.
Researchers at Chalmers University of Technology have developed a propeller design optimisation method that paves the way for quiet, efficient electric aviation. The new design can reduce noise emissions by up to 5-8 dBA, comparable to going from a normal conversation voice to a quiet room.
Researchers have developed a new lithium-air battery that uses a solid electrolyte, boosting energy density four times above lithium-ion batteries. The battery can potentially power cars for over a thousand miles on a single charge and is also suitable for domestic airplanes and long-haul trucks.
A team of WPI researchers has developed a potential breakthrough in green aviation: a recipe for a net-zero fuel for planes that pulls carbon dioxide out of the air. The fuel, made from magnesium hydride and hydrocarbon, could provide up to 8% more range than traditional jet fuel.
A new study found that ultrafine particle concentration decreased by 48% during the COVID-19 state-of-emergency period due to reduced aviation and road activity. This reduction corresponded with flight activity dropping by 74% and highway traffic volume decreasing by 51%.
A flying intervention team deployment was significantly associated with shorter time to endovascular thrombectomy, supporting consideration for some stroke systems of care. The findings may need further research to confirm long-term clinical outcomes and applicability in other geographic settings.
Researchers at New York University found that paper airplanes can achieve stable gliding when the center of mass is in a specific location, unlike conventional airplanes. The study's findings enhance our understanding of flight stability and provide insights into designing small-scale flying machines.
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.
A new coating developed by researchers at the University of Illinois Chicago uses thermoresponsive properties to create a hygroscopic slippery layer that prevents harmful substances from coming into contact with surfaces. This technology delays ice and frost formation, outperforming commercial products by up to ten times.
Researchers developed a healable carbon fiber composite that can be repeatedly healed with heat, reversing fatigue damage. This material provides a way to break it down and recycle when it reaches the end of its life, offering a sustainable alternative to traditional thermosets.
Researchers at Ohio State University developed built-in resonators that can be cut into walls or vehicle material to suppress vibrations and reduce noise. The design has potential applications in soundproofing walls and building airplane frames that minimize sound intrusion.
Researchers at Texas A&M University have developed a shape-memory alloy filler that can be inserted into airplane wings to reduce noise during landing. The material can deploy itself into the perfect position, eliminating air circulation and jarring sounds.
Researchers developed two models to optimize airplane seating arrangements, reducing COVID-19 transmission risks. The studies found that certain seating configurations can lower transmission risks more than blocking middle seats, suggesting alternative health protocols may be more effective.
Aerodynamic experiments reveal that wind reduces the strength of corona discharges around airplane wings, unlike grounded structures where winds strengthen the glow. The study provides new insights into the complex interactions between air, electricity, and wing shapes during thunderstorms.
A new injection printing process developed by UMass Lowell researcher David Kazmer increases production rates and enhances part strength. The innovation combines 3D printing and injection molding, producing fully dense parts with few cracks or voids.
Researchers at Northwestern University discovered a new way to reduce frost formation on any surface using a leaf-inspired design. The study found that the optimized surface structure reduces frost by up to 60% and can be defrosted with considerably less energy.
Researchers have developed a new kind of robotics that can assemble large structures from identical subunits using simple robotic systems. The system works by having the robot work together with the structure, adjusting its position as it adds each piece, allowing for efficient and precise assembly.
A new analytical model predicts Helmholtz cavity's sound spectrum with high accuracy, enabling efficient design of noise-cancelling systems. The model is optimized for low speed airflows and low frequencies, allowing for modular investigation of complex geometries.
Researchers created a flight-performance simulator to test the performance of a hybrid-electric drivetrain on a Tecnam P2006T aircraft. The study found that a parallel hybrid architecture can lead to substantial improvements in fuel efficiency, particularly for short-range missions.
The FRASCAL research training group at FAU is investigating fracture processes in materials across all scales, from nanometers to visible cracks. This interdisciplinary study aims to develop computer-aided simulation methods to predict and prevent undesired fractures.
Researchers from Zhejiang University developed a new way to improve automated systems, such as energy plants and airplanes, using polyhedral feasible set computation. This method efficiently analyzes current behaviors and time frames to predict the best next steps for optimal performance.
A tangled mesh in a finite element simulation can lead to inaccurate results, affecting biomechanical design, product development, and large-deformation analysis. Researchers have developed new methods for untangling meshes, including constrained optimization and the finite-cell method.
Researchers develop iron-based synthetic antifreeze mimicking natural Antifreeze Proteins (AFPs), which can slow ice crystal growth, making airplane wings safer, ice cream smoother and human tissue for transplantation more stable.
Researchers developed a new curing agent made from castor oil components that strengthened a soybean-based epoxy thermoset, increasing its durability and heat resistance. The material also allows light to pass through, potentially ideal for applications like solar cells.
Researchers propose a new conceptual model to analyze airship cargo capabilities, highlighting benefits over traditional vehicles in terms of access to coastal ports, airports, and remote regions. The value-density cargo pyramid could disrupt freight transport markets and alter world trade patterns.
Scientists at Australian National University have developed a new spray-on material that can repel water and withstand ultraviolet radiation. The coating, made from nanoparticles, is transparent, stable, and has numerous real-world applications.
Researchers used oceanographic data to calculate the movement of MH370 debris, finding that the most probable locations for additional washed-up debris are Tanzania and Mozambique. The main wreckage is likely to be in a wide search area between 28°S and 35°S.
Flying insects have been found to move through the air in ways that contradict traditional aerodynamic theories used for airplane flight. Researchers at New York University discovered a new law that explains how insects generate thrust and manage drag, allowing them to double their flight speed with less effort.
Researchers at the University of Michigan developed a durable, inexpensive ice-repellent coating that can be applied to various surfaces, including airplanes, power lines, car windshinds, and freezers. The coating works by exploiting interfacial cavitation, a phenomenon where rubbery surfaces break free from solid ones with minimal force.
A team of researchers led by Daniel Bodony from the University of Illinois at Urbana-Champaign is working on making jet engines quieter. They are using supercomputers, including XSEDE's Stampede, to analyze aerodynamics and resolve multi-scale problems in turbulent flows.
Researchers found that when people perceive more variety in a product's usage situations, they like the product less. Lower variety situations led to customers feeling they were getting value from their sneakers, while higher variety situations made them feel they used the sneakers less often.
Researchers used the Constructal Law to analyze airplane designs and found they follow evolutionary trends towards larger size, greater range and efficiency. The study predicts future aerospace design with surprising accuracy.
A UBC study shows corporate leaders rush into new innovations without scrutiny, leading to inferior products and tragic consequences like the DC-10 airline disasters. The authors warn that history may repeat itself as Boeing's 787 Dreamliner faces competition from Airbus.
Researchers at Florida State University have secured over $1.4 million in funding to develop a system for producing large quantities of buckypaper, a lightweight and high-performance material made from carbon nanotubes. The goal is to make the material more efficient and cost-effective for industries such as aviation and aerospace.
Researchers develop a lightweight structure made of tiny blocks that can be snapped together like bricks, revolutionizing the assembly of airplanes, spacecraft, and larger structures. The new material is 10 times stiffer for a given weight than existing ultralight materials and can be easily disassembled and reassembled.
Researchers at North Carolina State University have developed a new metallic bubble wrap that provides improved protection, lightness, and flexibility compared to traditional materials. The material has been shown to be strong enough to protect contents in areas as thin as a few millimeters, while also being heat- and chemical-resistant.
The University of Nebraska-Lincoln materials engineers developed exceptionally thin polyacrilonitrile nanofibers that are both strong and tough. This breakthrough could lead to lighter, safer products in various fields, including aerospace and body armor.
Researchers have developed a super hydrophobic coating that prevents water from sticking to an airplane's surface, reducing the risk of ice formation. The coating, containing microscopic particles of Teflon-based material, reduces energy needed to detach water, making it easy to remove.
Scientists from NC State University have developed a method to align carbon nanotubes in composite materials, resulting in significantly improved tensile strength, stiffness, and thermal conductivity. The new technique enables the creation of ultrastrong and multifunctional composites suitable for aerospace and sports applications.
A Kansas State University research team has developed an improved method for detecting and measuring bridge damage using a bridge health index. The index provides a more objective way to determine and compare bridge damage, allowing inspectors to input parameters and receive a numerical value indicating the bridge's health.
A team of international researchers used CT scans and biomechanical modelling to understand how Diplodocus fed on tree branches. They found that combing and raking of leaves was a stress-free feeding behaviour for the skull bones and teeth, contradicting previous hypotheses.
The study analyzed the performance of bolted joints in aeronautical structures, finding that low temperatures or low torque levels increase the risk of failure. Researchers developed a numerical model to estimate joint torque based on temperature ranges, which can help reduce aircraft weight and fuel consumption.
Researchers at MIT have devised a new method to detect internal damage in airplane composite materials, allowing for faster inspection. The approach uses a handheld device and heat-sensitive camera to reveal underlying problems.
A study by the Spanish Railways Foundation found that high-speed trains, such as the AVE, consume 29% less energy and produce 31kg less CO2 per passenger compared to traditional trains. The main advantage of high-speed lines is not in reducing fossil fuel consumption, but in attracting passengers who would otherwise travel by air or car.
Researchers in California and South Africa re-designed an aircraft with a bird-inspired shape to improve aerodynamics and reduce fuel consumption. The study showed that a flying wing configuration can generate nearly wing-only levels of lift and drag, potentially making planes more energy efficient.
Historian R.M. Douglas's research challenges the notion that British forces used chemical weapons against Iraqis after World War I, citing faulty evidence and official records that contradict these claims. Despite the lack of evidence, the allegations have persisted as a rallying cry for anti-war critics.