All articles tagged with #turbulence
Recent mathematical analysis reveals that Vincent van Gogh’s 1889 painting 'Starry Night' accurately captures the physical concept of turbulence, a fluid dynamic phenomenon scientists only fully understood in the 20th century. This discovery highlights van Gogh’s intuitive grasp of natural patterns, surpassing other Impressionists in depicting energy cascades.
Avianca Flight 42, traveling from Medellín, Colombia, to New York’s JFK, encountered severe, unexpected turbulence over the Caribbean on Friday, Oct. 9. The Airbus A320 diverted to Miami International Airport, landing at 3:30 a.m. Nine people were injured, with eight hospitalized. The FAA is investigating the incident.
Avianca Flight 42, traveling from Medellín to New York, diverted to Miami after severe turbulence injured nine people. Eight were hospitalized, and the FAA is investigating the incident.
Avianca Flight 042, traveling from Medellín to New York, diverted to Miami International Airport on Friday morning after encountering severe turbulence. Eight individuals, including three crew members and five passengers, were hospitalized. The FAA is investigating the incident, which occurred over the Caribbean.
Avianca Flight 42, traveling from Medellín, Colombia, to New York, was forced to divert to Miami International Airport on Friday morning due to severe turbulence. The incident resulted in nine injuries, including three crew members and six passengers, with one victim requiring transport to a trauma center. The Federal Aviation Administration has launched an investigation into the event.
Researchers at the University of Pittsburgh have challenged a long-standing assumption in fluid dynamics by demonstrating that energy flow in two-dimensional turbulent systems can be reversed. By observing brine shrimp and using artificial rods in controlled water tanks, the team found that the orientation of an obstacle relative to the flow’s stretching direction dictates whether energy cascades from small to large scales or vice versa. This discovery suggests that simple geometric interventions can manipulate energy transfer in turbulent fluids, with potential applications in pollution control and drug design.
OpenAI reports that a new internal AI model, deployed with about 10,000 autonomous bots, tackled the Navier–Stokes existence and smoothness problem and solved two of the four required statements in 88 hours, at an estimated $10 million in compute; the result awaits independent verification and OpenAI does not claim the Millennium Prize.
Experiments on the DIII-D tokamak show that Alfvén eigenmodes can drive shear flows that suppress plasma turbulence, improving heat confinement and potentially boosting fusion performance. Using the Motional Stark Effect diagnostic, researchers observed AE-driven changes in magnetic structure consistent with self-regulating currents, suggesting a pathway to more efficient confinement—though practical application remains years away; study published in Physical Review Letters.
Scientists using MPI-DS's CloudKite balloon-kite analyzed low-level warm clouds near Barbados and found that raindrop formation concentrates in small, localized hotspots where droplets are densely packed, increasing collision rates and triggering rain; this localized clustering helps explain how rain begins in warm clouds and could improve climate and weather forecasts, with future flights planned over the Amazon, Baltic Sea, and Finland.
A Phuket-Delhi Air India flight AI-2379 experienced a sudden 300-foot altitude drop, injuring about 20 passengers and four crew. A passenger on board alleges the captain seemed visibly high before takeoff and, after the incident, warned passengers not to record anything. Reports also indicate the captain smoked marijuana and failed two dope tests. The passenger questions why an emergency landing wasn’t made and raised SOP concerns as investigators examine what happened.
CNN reports on shadow bands—the faint light-and-dark ripples around total solar eclipses—where scientists testing its cause found in 2017 that a 4.5 Hz signal appeared both on the ground and at high altitude, suggesting diffraction-interference may play a role alongside turbulence. The 2024 eclipse, despite more sensitive sensors, didn’t reveal shadow bands due to cloud cover, and aircraft data likewise failed to reproduce the signal, leaving the mechanism unresolved. With a future eclipse approaching, researchers and citizen scientists plan new measurements from Spain and elsewhere, using simple observation setups to help settle the question.
An Air India Airbus A320 en route from Phuket to Delhi hit sudden turbulence about 90 minutes after takeoff, dropping roughly 300 feet and tossing passengers and crew. Fourteen people were injured, including a crew member described as severely injured; the plane landed safely in Delhi and was sent to medical facilities for precautionary checks. The DGCA is investigating, while Air India said none of the injuries were serious and emphasized passenger safety.
Nearly five minutes of severe turbulence on Air India's Phuket-to-Delhi flight injured 17 people, with several crew sustaining spinal injuries. Investigators are analyzing flight recorders, passengers have been discharged, and the DGCA is probing the incident while praising the crew for continuing to assist passengers.
A BuzzFeed roundup compiles 52 Reddit-sourced in-flight anecdotes, ranging from engine fires and lightning strikes to mid-air medical emergencies and even a birth, illustrating the wild, sometimes terrifying realities that can unfold at altitude.
A decade of eclipse-era observations by researchers at the University of Hawai'i reveals turbulent structures in the Sun's outer atmosphere that originate from prominences and survive as they travel outward with the solar wind, providing new clues to coronal heating and space-weather effects on Earth.