Combustion chamber during combustion oscillations in a model rocket engine. Credit: Hiroshi Gotoda Power source clusters near rocket engine fuel injectors could create combustion oscillations.…
Posts published in “Fluid Mechanics”
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Credit: Leiden University A certain type of oil droplets changes shape when cooled and shrunk: from spherical through icosahedral to flat hexagonal. Two competing theories…
Smashing the COVID Curve: Little Differences in Behavior Decide Between Success and Complete Failure
Smashing the COVID Curve: Little Differences in Behavior Decide Between Success and Complete Failure
Fluid and turbulence physicist Björn Hof and his team applied the statistical methods to epidemic spreading and discovered surprising features of the infection curves. Credit:…
Illustration shows the reach of breath without a mask and during various mask and face shield evaluations. Credit: Venugopal Arumuru/Indian Institute of Technology Bhubaneswar Curbing…
How can clothing of a close-range shooter remain free of bloodstains? In 2009, music producer Phil Spector was convicted for the 2003 murder of actress…
A more accurate image of a coronavirus particle has triangular-shaped spikes. Scientists from OIST and Queen’s University have found that this may aid the success…
An illustration showing quantum vortex tubes undergoing apparent superdiffusion. The white dots represent trapped particle that the researchers tracked to visualize and track the motion…
For the study, the researchers created a computer model of a classroom with students and a teacher, then modeled airflow and disease transmission, and calculated…
An international research team, led by Monash University, has discovered for the first time the mystery behind the formation of ‘coffee rings’ by examining the…
Aerosol simulations show how airborne particles containing SARS-CoV-2 spread within a music classroom and how to use portable HEPA air purifiers to reduce their spread.…
Airflow patterns around two people conversing in typical situations, such as hair salons, medical exam rooms, and long-term care facilities. COVID-19 can spread from asymptomatic…
In Physics of Fluids, researchers report using advanced simulation methods to capture the complex flows that occur when the cold airflow from air conditioners interacts…
A computation shows air purifiers in elevators and other confined spaces can actually increase saliva droplet dispersal, spreading COVID-19. The positions of air inlets and…
In Physics of Fluids, researchers discuss their design of an open-faced helmet for patient use that is connected to a medical-grade air filtration pump from…
Researchers identify ultra-fast gas flows through atomic-scale apertures in 2D membrane and validate a century-old equation of fluid dynamics. Credit: N Hassani & M N-Amal,…
A plot showing how much the aerosol from a sneeze spreads in each direction. Credit: Daniel Bonn, University of Amsterdam A portable device can determine…
December 20, 2020. (Click image for high-resolution view.) On a clear day, the towering peaks on Fogo, Santa Antão, and São Nicolau stand out amid…
Pressure and particle motions with and without a mask. Credit: Jinxiang Xi A computer model deepens our understanding of airflow while wearing face masks, where…
Even though common mask materials block most of the droplets that spread the virus, that may not be enough at close distances. Simply wearing a…
The cough-generated droplets from a walking individual disperse differently in a narrow corridor and an open space. In narrow corridors, the droplets are concentrated in…