Articles tagged with Aerospace Engineering
Researchers at Nanyang Technological University found that cells near wavy shaped wounds moved in a swirling manner, while those near straight wounds moved in straight lines. This discovery reveals that the swirling motion is crucial for gap-bridging and accelerates wound healing in wavy wounds.
Researchers at Carnegie Mellon University have designed a four-legged robotic system that can walk on a narrow balance beam, enhancing quadruped agility and balance. The system employs reaction wheel actuators to provide independent control of the body's orientation, allowing the robot to recover from sudden impacts and disturbances.
WVU engineers developed a new electrode cuff called MouseFlex to test electric current treatments, overcoming previous challenges with stability and durability. The device can withstand high electrical stimulation and may benefit patients with conditions like rheumatoid arthritis and drug-resistant epilepsy.
A new method using a back propagation neural network improves the accuracy of orbit prediction and position error covariance prediction for space targets. The method reduces prediction errors by up to 170m compared to existing models.
Frontal polymerization, a faster and more energy-efficient process, generates heat that drives natural convection. This interaction leads to patterns in the resulting solid polymeric material, affecting its properties.
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.
The DART mission successfully deflected the orbit of asteroid Dimorphos by 33 minutes. The team's calculations showed that the momentum transferred to Dimorphos was significantly enhanced by the recoil created from streams of particles produced by the impact, exceeding initial expectations.
Researchers from Waseda University measured the energy spectrum of boron and the B/C flux ratio in high-energy cosmic rays using the CALorimetric Electron Telescope. The results indicate a different spectral index for boron compared to carbon, with implications for our understanding of cosmic ray propagation mechanisms.
Researchers at Chalmers University have developed an optical hydrogen sensor that can detect extremely low levels of hydrogen, allowing for early detection and alarm. The sensor uses AI technology to optimize particle arrangement and geometry, achieving sensitivity in the parts per billion range.
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.
Researchers at Nanyang Technological University have developed a technique to convert waste paper into lithium-ion battery electrodes, reducing greenhouse gas emissions and increasing durability. The new method uses carbonisation and laser cutting to create reusable batteries with superior properties.
Lehigh University researchers have developed a new fabrication method for high-entropy alloys that can operate in extreme temperatures. The process uses lower temperatures and a different reaction route to achieve a more homogenous microstructure, potentially leading to the development of more efficient materials for aerospace and indu...
A new surveillance constellation concept aims to detect and track near-Earth asteroids, providing early warning and tracking capabilities. The system consists of six space-based surveyors and a mothership, which work together to monitor the orbits of potentially hazardous asteroids.
Researchers detected a spectral softening around 10 TeV in the high-energy cosmic ray proton spectrum, suggesting the proton energy spectrum is not consistent with a single power law variation. The study contributes to understanding of cosmic ray acceleration by supernovae and propagation mechanism.
Researchers at WVU are resurrecting discarded electronics, recovering minerals, and making new products for national defense. The technology also has promise beyond national defense, including community-level e-waste recycling and space applications.
Researchers aim to create intelligent drones that can autonomously inspect coal waste storage facilities, detecting cracks and deformities with thermal and visual images. The drones will be equipped with AI-based software to identify potential hazards, providing a faster and long-term solution to prevent environmental damage.
Researchers at WVU are using robots to analyze potential hazards and provide walkability maps in retail environments, aiming to reduce occupational injuries. The team plans to test the robots after hours in an actual retail space, combining camera data with wheel speed measurements to estimate slip risks.
John Kershner, a Lehigh University PhD candidate, has been awarded a Fulbright research grant to continue his work on owl-inspired aero-acoustics in Germany. He will collaborate with researchers at Brandenburg Technical University and the DLR to experimentally test these designs.
Researchers at Cornell University have developed a new algorithm for autonomous underwater sonar imaging that significantly improves speed and accuracy for identifying objects such as explosive mines and sunken ships. The new approach, called informative multi-view planning, integrates information about object locations with sonar proc...
Researchers from Korea Maritime and Ocean University have developed a way to synthesize high-performance functionally graded materials with minimized defects. By controlling the mixing gradient of component materials, they improved mechanical properties and eliminated interfacial cracks.
A team of researchers led by Prof. Federico Rosei is developing high-power active optical fibers doped with erbium and ytterbium for ultra-fast satellite communications. The goal is to convert heat dissipated by the fibers into electrical energy, enabling near real-time Earth observation imaging.
The University of Central Florida (UCF) is working with the US Air Force to develop a system that uses commercial rockets to transport cargo quickly and efficiently. The project aims to determine the viability of this method for disaster relief and global shipping, with the goal of delivering 100 tons of goods within one hour. UCF rese...
Two Singapore-designed artworks are orbiting the Earth on the ISS as part of Moon Gallery, a project consisting of 64 artworks from around the world. The artworks were successfully launched into space and will come back to Earth after 10 months, allowing scientists to study their behavior in microgravity.
A team of researchers from Shinshu University has developed a precise numerical model of butterfly flight dynamics, revealing the intricate relationship between wing movement and air flow. The study's findings have significant implications for designing micro air vehicles (MAVs), which could lead to breakthroughs in aerospace engineering.
Researchers at City University of Hong Kong have discovered a super-elastic high-entropy Elinvar alloy that retains its stiffness even after being heated to 1000 K. The alloy's unique structure and chemical composition allow it to store a large amount of elastic energy, making it suitable for high-precision devices in aerospace enginee...
A study at the University of Illinois identified trace metals in rocket fuel propellant and developed a method to slow decomposition using chelating agents. The researchers found that adding these agents could form stable complexes, sequestering metal ions and preventing them from reacting with the propellant.
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 study by The BMJ found that aerospace engineers and neurosurgeons have similar intelligence to those in the general population. However, they showed better mental manipulation abilities and faster problem-solving skills than the general population in certain domains.
Researchers at WVU are creating control software for aerial robots to survey Venus' atmosphere, helping model the evolution of climate on Earth. The aerobots will use a hybrid airship design and energy-efficient paths to explore the planet's surface.
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 at Lawrence Berkeley National Laboratory have discovered a new path forward for processing titanium. Cryo-forging at ultra-low temperatures produces extra-strong nanotwinned titanium with improved strength and ductility. The material maintains its structure and properties at extreme temperatures, demonstrating its versatility.
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 are developing insect-like robots for agriculture, mining, and space exploration using dynamic force sensing and agile movement. The goal is to create robots that can navigate difficult terrains and interact safely with humans.
Mechanical engineering researchers at Michigan Technological University have created a 3D-printable nanocomposite polymeric ink using carbon nanotubes. The ink's properties, such as electrical conductivity and increased strength, make it suitable for various applications, including aerospace and electronics industries.
A new nozzle design for F-18 fighter planes has shown promise in reducing jet noise in lab tests, with potential benefits for both commercial and military aviation. The design features triangular fins that significantly reduce noise levels, making it a significant improvement over current technology.
University of Virginia researchers design a simple way to implement a tunable stiffness strategy in robots, enabling efficient swimming at varying speeds. The approach, inspired by the natural adaptability of fish, uses a programmable artificial tendon to adjust tail stiffness in real-time.
Researchers found significant periodic flow velocity fluctuations in fuel injector ignite combustion oscillations, leading to high mechanical stress on the combustion chamber. The findings provide a reasonable answer for why these oscillations occur and have significant implications for preventing fatal damage in critical engines.
A researcher from the University of Illinois rebutted a paper claiming to have found mathematical proof that Holocaust victim numbers were fabricated. The original paper used flawed statistical analysis, ignoring dataset inconsistencies and biases.
A team of researchers at the University of Texas at Austin has applied a machine learning algorithm to analyze Synthetic Aperture Radar images and create detailed maps of land types. This new approach can help predict storm surge risk and inform mitigation strategies, such as building 'green walls' to protect inland areas.
Researchers at UTA are investigating smart protective helmets that can sense head and brain injuries, allowing for rapid medical treatment. The project aims to improve the well-being of soldiers in combat by detecting brain trauma and preventing further damage.
The TU Dresden satellite SOMP2b is used to study new nanomaterials under extreme space conditions and test systems converting solar heat into electricity. It measures the residual atmosphere around the satellite in a polar, sun-synchronous orbit.
UTA's David Hunn was selected as a National Academy of Inventors (NAI) fellow for his groundbreaking research in critical thinking and soldier survivability. He credits UTA with teaching him the importance of these skills, which he has applied throughout his distinguished career.
Researchers used XSEDE-allocated supercomputers to simulate the structure of the blue whirl, a new type of flame that consists of four separate flames. The simulations revealed the three types of flames that make up the bright rim of the blue whirl, which can be used to burn fuels more cleanly.
Researchers at the University of Central Florida have developed a technology that enables large machines to breathe in and out cooling blasts of water, keeping their systems from overheating. The system uses pulsed water-jet cooling and has been found to be effective in cooling hot electronic devices and surfaces.
A research tool has been developed to help people and lunar rovers estimate travel times with a high degree of reliability. The tool considers factors such as pedestrian traffic, road conditions, and bus breakdowns to provide a more accurate prediction of arrival times.
Researchers at West Virginia University are developing a methane mitigator system to reduce greenhouse gas emissions from natural gas production sites. The goal is to decrease environmental impact and ensure compliance with emerging emissions restrictions, while improving overall system efficiency.
Researchers at the University of Illinois have studied the combustion velocity of a nontoxic salt-based propellant called FAM-110A. The findings indicate that the propellant has a Goldilocks zone where its burn rate is neither too high nor too low, making it suitable for rocket engine design.
Researchers at the University of Maryland have identified the structure of blue whirls, which produce almost no soot when burning. The team discovered that vortex breakdown enables the blue-whirl structure to emerge, comprising three flames meeting in a triple flame ring.
Researchers used computational modeling to visualize heart valve implant behavior for the first time, revealing that thinner biological tissues can induce leaflet flutter, compromising durability and causing blood cell damage. This study builds upon decades of research and showcases the importance of supercomputing power in improving s...
Chia-Ching Lin, a graduate student at UTA, has won the Leo Beranek Student Medal for Excellence in Noise Control Engineering. His research focused on gear noise and vibration control in automotive rear axle systems.
UTA doctoral student Katiyayni Balachandran is selected as one of 35 Amelia Earhart Fellows, focusing on modeling space objects using photometric light curves. The fellowship allows her to focus on learning and sharing knowledge with others passionate about aerospace engineering.
Kamesh Subbarao, a professor of aerospace engineering at the University of Texas at Arlington, has been elected as a fellow of the Royal Aeronautical Society. He is recognized for his contributions to robotic controls and navigation of unmanned aerial vehicles.
Rutgers engineers have created a highly effective way to paint complex 3D-printed objects using an efficient painting method that reaches all nooks and crannies. The technique, known as electrospray deposition, has been used mainly for analytical chemistry but has also been applied in lab-scale demonstrations of coatings.
Researchers developed an onboard algorithm to estimate air density, providing critical real-time data for steering during entry, descent, and landing stages. The algorithm uses data from sensors and prior knowledge to improve accuracy and certainty of landings.
Nikhil Gupta received the prestigious Brimacombe Medalist Award from the Minerals, Metals and Materials Society for his innovations in lightweight porous materials. His work has led to eco-friendly materials with applications in marine, automotive, and aerospace industries.
Dereje Agonafer, UTA's Presidential Distinguished Professor, received the Howard University Alumni Award for his distinguished postgraduate achievements. He has supervised over 225 graduate students and has published more than 230 papers on data center cooling and 3D packaging/cooling.
Researchers at UCF's Department of Mechanical and Aerospace Engineering have determined that ethanol is the best biofuel for producing minimal soot during combustion. The study also identified chemical pathways involved in combustion reactions, which can be used to further research into reducing soot production.
University of Illinois researchers develop a new tire design that prioritizes puncture-free strength while maintaining elasticity for a shock-free ride. The study uses computer optimization to create unique structural patterns in the shear layer, ensuring the material can withstand pressure without failing.
A statistical analysis of Roman emperors' deaths reveals a distinct pattern, with high risk in the first year and a bathtub-like curve indicating stabilization by the eighth year. The study suggests underlying processes governing the length of each rule until death, similar to reliability engineering.
The Biomedical Engineering Society has recognized Weiqiang Chen's original research on single-cell mechanical allostasis, a biological process that drives cells to reach a new equilibrium. His work employs principles of mechanical engineering and physics to identify the state of individual cells.