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 Dynamics”
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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.…
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…
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,…
New study suggests waters will become more turbulent as Arctic loses summertime ice. Eddies are often seen as the weather of the ocean. Like large-scale…
Simulation of pedestrian counterflow (red and pink particles) confined within a hallway (blue boundary), under conditions of weak social distancing. Credit: Kelby Kramer and Gerald…
Recirculating flows, namely wakes, are observed both in the front of the cougher (left) and at the back of the listener (right). A droplet may…
A test subject coughs into a laser scanner during a University of Amsterdam study on how microdroplets spread the virus that leads to COVID-19. Credit:…
Distribution of the velocity vectors through the middle of the classroom. Airflow within the room is driven by the air conditioning system. Credit: Khaled Talaat…
Weather impact on virus transmission. Effect of relative humidity (RH=10%, 50%, and 90%) on coronavirus respiratory droplet cloud at temperature 30 C and wind speed…
The Problem With Microwaving Tea: Why Microwaving Liquids Is Different From Other Heating Techniques
The silver-plated cup helps liquids heat through uniformly in microwaves. Credit: Baoqing Zeng Tea drinkers have been saying it for years. Water heated in a…
A mathematical model of droplet migration may have important implications for understanding the spread of airborne diseases, such as COVID-19. The World Health Organization has…
A new model, created by Professor Swetaprovo Chaudhuri (UTIAS) and his international collaborators, uses fundamental physics to predict the behavior of the microscopic droplets that…
The smallest respiratory droplets leak through a face mask constructed using a folded handkerchief. Despite the leakage, the spread of the droplets is impeded considerably…
With the stitched quilted cotton mask, droplets traveled 2.5 inches. Credit: Florida Atlantic University, College of Engineering and Computer Science FAU College of Engineering and…
Vortex caused by common annular flushing. Credit: J.-X. Wang Coronavirus could be transmitted through a long-lasting cloud of virus-containing aerosol droplets ejected from a flushing…
Fluids that heat or cool surfaces make a transition from a smooth flow to a mixing, turbulent flow. A new MIT analysis shows the importance…
This visualization shows the Gulf Stream’s sea surface currents and temperatures. Credit: MIT/JPL project entitled Estimating the Circulation and Climate of the Ocean, Phase II…
A 3D reconstruction of the collision dynamics of two vortices. Credit: Ryan McKeown/Harvard SEAS Turbulence is everywhere — it rattles our planes and makes tiny…
Scientists know little about turbulence, such as that formed from water gushing out of a pipe at high velocity. Scientists gain a deeper understanding of…