Articles tagged with Helicopters
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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.
Despite improvements in UK air ambulance service availability since 2009, regional gaps remain. The provision of advanced interventions like blood transfusion varies, while 24/7 doctor-based teams are not consistently available across the UK.
A study analyzing 3225 trauma patients in South East England found that air ambulance pre-hospital care significantly improved survival rates, with 2125 patients exceeding 30-day survival. Those most likely to benefit were severely injured patients with moderate probability of survival, who unexpectedly survived for 30 days.
The study expands the Correlates of War Project's Militarized Interstate Dispute Data, adding new data spanning 2014-2024 and launching MID Live, an early detection mechanism for interstate hostilities. This helps inform security policies and strategies by analyzing evolving patterns of conflict and competition between states.
A breakthrough in trauma care has nearly quadrupled the 'golden hour' for treating large animals with internal bleeding during emergency ground and air transport. Researchers used a closed-loop, autonomous intervention system to resuscitate pigs with traumatic injuries, extending their survival time by several hours.
Researchers have identified pathways through which warm ocean water flows into ice shelf cavities for the first time. The study found broad ocean heat intruding toward the shelf, with seawater temperatures up to 1℃ higher than freezing at depths of 50-100 meters.
MIT researchers developed a new algorithm that can execute complex maneuvers like loops and rolls for tailsitter aircraft, enabling agile trajectories with fast-changing accelerations. The algorithm uses differential flatness to ensure feasibility and planning in real-time.
Researchers developed a mathematical model that accounts for variables such as helicopter resources and operational range to optimize air movement tasks. The model can perform planning functions in under an hour, saving commanders three to five hours compared to traditional methods.
Researchers at Chalmers University of Technology have developed a unique method to reduce ship aerodynamic drag, which could lead to significant energy efficiency gains and reduced fuel consumption. The method uses the Coanda effect to create a more efficient airflow around the ship's superstructure, reducing drag by 7.5%.
Researchers studied Ingenuity's historic flights on Mars to calculate dust cloud size and mass. The results supported engineering models, paving the way for future extraterrestrial rotorcraft missions.
The MedSENS instrument measures body temperature, heart rate, and oxygen saturation from the ear canal using innovative sensors. It has been tested in harsh environments and proven to be easy to use, with its data transmitted wirelessly to other devices.
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 found that drones were only slightly less expensive per unit area than tractor-mounted boom sprayers for pest-control costs, while also having a slight advantage in daily area coverage. Data envelopment analysis showed that both boom sprayers and UAVs reached maximum or near-maximum efficiency for most paddy areas.
Researchers find that hanging black rhinoceroses upside down improves ventilation to a small degree, enhancing the safety of these animals during capture and anesthesia. The study's findings have significant implications for conservation efforts in remote areas where helicopter-assisted aerial transport is often used.
Researchers investigated acoustic properties of eVTOL aircraft and found that smaller rotors generate more broadband noise. Co-axial co-rotating rotors may offer better performance and lower noise than conventional rotors, with stacked rotor configurations potentially producing the lowest noise levels.
The LCR robot can remove full-range aircraft coatings layer-by-layer, shortening processing time by up to 80% and reducing cost-per aircraft. It is compatible with all types of aircraft and helicopters, and can also be used for off-airframe parts.
Researchers developed a novel γ-radiation intensity sensor using polymethylmethacrylate and polyvinyl chloride membranes. The sensor changes color in response to increasing radiation intensity, allowing for quick and easy measurement.
A new study by Australian researchers examines the 'Attack Helicopter' subculture, a group that uses online platforms to express misogynistic and racist views. The study, which analyzed data from over 12,000 Australians, found that this group displays more aggressive behavior towards non-binary gender politics than trolls.
The study investigates how molecules rotate when colliding with surfaces and its impact on the outcome of collisions. The research found that the rotational orientation of hydrogen molecules significantly influences their interaction with a Lithium Fluoride surface, affecting scattering probabilities, adsorption, or decomposition.
The BladeSense project has shown strong potential for advancing rotor blade health monitoring through real-time data collection. This technology could substantially save on lifecycle costs and provide new pathways for performance monitoring, using novel interferometric fibre optic shape measurement.
Researchers create tiny aircraft made from 'nanocardboard' that can levitate and carry payloads ten times heavier than themselves in the Martian atmosphere. The design uses a temperature differential to generate thrust, enabling the flyers to potentially serve as atmospheric probes on Mars, Pluto, and other planets.
High helicopter parenting can result in 'hothouse children' who lack autonomy, struggle with anxiety and internalizing problems, and may repeat their parents' behaviors.
The University of Kansas researcher will use a five-year grant to design, build, and fly a radar suite on a helicopter-based unmanned aerial system (UAS) to gather data on glaciers. The UAS will provide greater resolution in its radar measurements, allowing for the measurement of crevasse size and bed topography over the grounding line.
A new study shows that helicopter ambulance services can significantly reduce time to thrombectomy, a minimally invasive surgery to remove the blood clot causing the stroke. Patients transported by air were found to have an average of 42 minutes faster access to surgery when distances exceeded 30 miles.
A researcher at Case Western Reserve University has developed a data-driven algorithm that uses electronic medical records and computer science to identify which patients would benefit from air transfer. The study aims to reduce unnecessary helicopter transfers, saving patients and healthcare costs.
Researchers found signs of ground failure, including slumped road ramps and liquefaction, in the aftermath of the 2018 Anchorage earthquake. The study suggests that shaking from the quake did not reactivate past landslides, likely due to its short duration.
Rensselaer Polytechnic Institute professor Farhan Gandhi has received the AIAA Faculty Advisor Award for reviving the RPI Student Branch, facilitating seminars, astronaut visits, and providing students with a sense of community. Gandhi's research focuses on rotary-wing aircraft, adaptive cellular structures, and morphing technologies.
Researchers used video cameras to capture footage of cars accelerating through a traffic light, finding that packing tightly doesn't increase passing chances. Drivers should maintain a safe distance from the car in front when stopped at a light to reduce rear-end collision risks.
Yale researchers Darryl Seligman and Greg Laughlin have created a new model for understanding how black holes, planets, and galaxies emerge from the vortex-rich environments of space. They found that vortices may shed Rossby waves as they spin and that the number of orbits between two vortices is different in their model.
A Johns Hopkins Medicine research team successfully flew a specialist to a stroke patient, improving outcomes and reducing costs. The study demonstrates the feasibility of helicopter-based care for time-sensitive procedures like catheter-based treatment.
In the immediate aftermath of a devastating earthquake, Israeli tourists demonstrated remarkable leadership skills, quickly springing into action to help others. The study's findings highlight the importance of group cohesion and connection to their military background in coping with traumatic events.
Researchers at TUM develop new simulation software that combines flow mechanics and flight dynamics in real-time, allowing pilots to prepare for challenging situations like flying near ships or mountains. The program has been validated with reference models and will be tested with experienced pilots.
A University of Michigan-led team is mapping surface ruptures and earthquake-triggered landslides in New Zealand using a combination of satellite imagery, drone footage, helicopter observations, and on-foot data collection. The high-resolution maps will help response teams assess landslide threats and prepare for future large earthquakes.
The Blue Cut Fire in California is a rapidly growing wildfire that poses an imminent threat to public safety, rail traffic, and structures in several areas. The fire has already affected over 82,000 people and damaged an estimated number of structures, with firefighters battling hot, dry, and breezy conditions.
Researchers at Technical University of Munich develop a helmet-mounted display that combines terrain information with sensor readings to enhance helicopter flight in poor weather conditions. The technology improves pilot performance and reduces stress symptoms.
Research suggests that overly involved parents can hinder emerging adults' development, leading to lower self-efficacy, anxiety, and depression. Students with more autonomous mothers reported higher life satisfaction and physical health.
A QUT study suggests that excessive parental involvement in homework can lead to a decrease in children's ability to take responsibility for their work. Parents who endorse helicopter parenting beliefs are more likely to take on too much responsibility for completing homework and expecting teachers to do the same.
Seismologists used a network of instruments deployed in Iraq to analyze the seismic patterns of explosions, including mortars, rockets, IEDs, helicopters, and drones. The analysis allowed them to reconstruct the sequence of events leading up to the 'cook-off' explosion.
A 11-year study in Maryland showed that changes to trauma triage protocols decreased helicopter transport for trauma patients while improving patient outcomes. Ground transport increased by 33%, saving the state considerable money.
A 2009 mandate reduced time between critical injury and definitive care, resulting in improved survival rates. Decreasing transport time and increasing prehospital helicopter transport within 60 minutes or less led to a lower percentage killed in action.
University of Texas at Arlington professor Andrew Makeev receives a $1.35 million grant to develop more durable composite materials for aircraft, accelerating their implementation in vertical lift and fixed-wing aircraft.
In Alberta, six active fires larger than 2500 hectares have been detected, with the largest fire at 10,000 hectares near Wood Buffalo National Park. In Saskatchewan, 47 active wildfires are burning, including one out of control at 4,678 hectares near Buffalo Narrows.
New research at Brigham Young University reveals that helicopter parenting combined with a lack of warmth leads to lower self-worth and higher risk behaviors in young adults. High levels of parental warmth can mitigate some effects, but not eliminate them entirely. Helicopter parents should strive for balance between autonomy and support.
Researchers at North Carolina State University and MIT have developed a lightweight membrane that can significantly reduce low-frequency noise in aircraft cabins. The membrane covers one side of the honeycomb structure and blocks sound energy, making flying more pleasant for passengers.
A study published in Journal of the American College of Surgeons confirms the effectiveness of pre-trauma center blood transfusions in increasing one-day survival rates and reducing shock among air-lifted trauma patients. The UPMC protocol involves giving guidelines on when to administer transfusions, resulting in improved outcomes.
Concordia University's Lean Aerospace Value Streams project aims to minimize waste and increase value in Canada's aerospace sector. Researchers will apply lean principles to design, manufacturing, and supply chain processes.
Researchers suggest that plasma bubbles may have contributed to communications outages during the Battle of Takur Ghar. A new computer model predicts the impact of such bubbles on future military operations, allowing for minimization of their effects.
The 36 Pit Fire in Oregon began on September 13, 2014 and is still under investigation. Firefighters have made progress in establishing an anchor point and constructing a fireline on the West and North sides of the fire.
The Slide Fire has burned 7,500 acres in Oak Creek Canyon, threatening 300 structures, including private homes and a Forest Service lookout tower. Over 840 personnel are fighting the fire, which is 5% contained, with crews conducting burnout operations along the north and east flanks.
Researchers analyzed over 10 years of medical helicopter transports in Maryland, finding that 31% of trauma cases could have been transported by ambulance within the golden hour, saving thousands of dollars. GIS technology provides accurate estimates of transport times to trauma centers.
A study published in the Canadian Journal of Surgery found that helicopter transport significantly improves survival rates for trauma patients with severe injuries, reducing mortality rates compared to ground ambulance transport. The researchers attributed this improved outcome to advanced monitoring and equipment available in air ambu...
A retrospective study found that pre-hospital plasma transfusions reduced trauma patient mortality by 8% and improved coagulation status by 40%. Although not statistically significant, survival to hospital discharge also showed a 13% improvement.
Research published in Critical Care journal suggests that air ambulances are effective and worthy of investment, despite high initial costs. Patients transferred by helicopter tend to have more severe injuries but experience improved survival rates due to faster treatment and care at the scene and during transport.
In a groundbreaking study, researchers successfully controlled a remote-controlled helicopter using non-invasive brain waves. The experiment, published in IOP Publishing's Journal of Neural Engineering, demonstrates the potential for brain-computer interfaces to aid patients with disabilities or neurodegenerative disorders.
Researchers found that if 90% of seriously injured patients survive with ground transport, 91.6 need to survive with helicopter transport for it to be considered cost-effective. The study aims to reduce uncertainty about the factors driving the use of critical care resources.
A new study shows that college students with overcontrolling parents experience negative well-being outcomes, including depression and decreased life satisfaction. The study suggests that helicopter parenting behaviors can undermine children's autonomy, competence, and social relationships.
A study published in PLOS ONE found that playing virtual reality games with superpowers increases helpful behavior in the real world. Participants who played as superheroes were more likely to help others after the game compared to those who passedively completed tasks.
Researchers at Stanford University found that playing Superman-like flight in a virtual reality simulation increased altruistic behavior in individuals. In contrast, helicopter-riding participants took longer to offer help. The study suggests designing games that promote empathy and altruism could have real-world benefits.
A multi-centre study in France found that patients transported by helicopter had a lower risk of death compared to those transported by road. The benefit was seen even after adjusting for severity of injury. Helicopter transport saves lives for the most severely injured patients, despite being a costly and limited resource.
MIT's Robust Robotics Group has developed an algorithm that enables autonomous-control algorithms for indoor flight of GPS-denied airplanes, allowing for obstacle dodging and cargo capacity. The plane uses a laser rangefinder and inertial sensors to determine its state in real-time, and combines two different types of state-estimation ...