Physics of Fluids

24/12/2024

A barrel roof with a single ventilation opening can prevent the most wind drift.

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WASHINGTON, Nov. 12, 2024 – Indoor badminton courts are often used for high-stakes tournaments, but even an enclosed court can affect the path of a birdie. The [...]

24/12/2024

Discovering optimal rotor configurations: A study on aerodynamics & noise emission via multi-objective optimization. Insights on blade numbers 2-6 reveal trends in efficiency & noise reduction.

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The configuration of rotors significantly impacts the aerodynamic efficiency and noise emission of multicopters. To date, there are no general guidelines regard

23/12/2024

Investigation of a human cough via a new method that couples the cloud scalar temperature and humidity with droplets at their specific location, improving droplet evaporation and dynamic accuracy.

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The study of cloud and droplet dynamics during potential transmission events, such as coughing, is essential for understanding the spread and deposition of aero

23/12/2024

Reminder ❗

This Special Topic is still open for submissions! Submit by March 31, 2025.

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https://aippub.org/4eVB6vO

22/12/2024

Coalescence of Sessile Aqueous Droplets Laden with Surfactant.

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With most of the focus to date having been on the coalescence of freely suspended droplets, much less is known about the coalescence of sessile droplets, especi

20/12/2024

Fluid Interface Artistry! Water On CA-DMF Foster Flowers. RTI & STI Guide Finger Patterns. GLSA Predicts Dynamics; Density & Osmotic Forces Sculpt Intricate Morphologies. A Tale of Budding CA Blooms.

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Dispensing a water drop on the thin film of a solution composed of cellulose acetate (CA) in dimethyl formamide (DMF) forms a thin and porous CA layer at the wa

19/12/2024

We study flow around a cylinder from a dynamics perspective. Standard dynamics metrics mark the emergence of chaotic flow. Experimental comparisons reveal interesting features and future challenges.

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We study flow around a cylinder from a dynamics perspective, using drag and lift as indicators. We observe that the mean drag coefficient bifurcates from the st

18/12/2024

Numerical simulation of particles distribution of environmental to***co smoke and its concentration in the smoking room of Shiraz airport.

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WASHINGTON, Oct. 29, 2024 – While many smoking rooms in U.S. airports have closed in recent years, they are still common in other airports around the world. [...]

18/12/2024

How best to represent the vector magnitudes in velocity data? For situations where averaging causes the vector magnitudes to be diminished, this work proposes the use of dimensionality reduction.

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In fluid mechanics research, data gathered from measurements and simulations may be challenging to interpret due to complexities such as transience, non-lineari

17/12/2024

In micro-tidal estuaries, waves and bed slope can affect the sediment transport pattern, thereby altering the topography of the estuary.

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Estuarine sediment transport is driven by the combined action of a multitude of influencing factors, including astronomical tides, waves dynamics, and river dis

17/12/2024

Many coastal communities live in constant fear of tsunamis, which are unpredictable and can strike without warning. Most commonly, these tsunamis are triggered by earthquakes, but they can also be caused by underwater landslides.

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https://aippub.org/4itCUhL

Integrating both solid and fluid dynamics allows detailed simulations of a less common, but more complex type of tsunami.

16/12/2024

This study quantitatively analyses acoustic fields of radial extracorporeal shockwave therapy and introduces a machine-learning model to improve personalized treatment and deepen biological insights.

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Radial extracorporeal shockwave therapy (rESWT) is a noninvasive medical technique that treats a range of musculoskeletal conditions. To understand its biologic

16/12/2024

When you sneeze, how far do the droplets — and any pathogens they carry — travel? This question became a matter of public safety during the COVID-19 pandemic.

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The experimental model will help provide a baseline for numerical studies, enable better mask design and improve guidelines for social distancing.

16/12/2024

Corrections for the resonance frequency of coated bubbles under various acoustic pressure and the critical pressure for bubble rupture are proposed, which offers a more precise predictive framework.

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Encapsulated microbubbles serve as suitable drug carriers in medicine. This paper proposes corrections for the resonance frequency of lipid-coated bubbles under

16/12/2024

Underwater robots are well-suited for carrying out tasks beneath the water's surface.

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Emulating how real dolphins turn will enhance the maneuverability of dolphin robots operating at the water's surface.

14/12/2024

a particular delay action of the downstream fish can lead to faster turns by utilizing the wake generated by the fish ahead.

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Schooling fish exhibit captivating biological behaviors that have garnered interest from both biologists and engineers. While the undulatory motion of fish in s

13/12/2024

The evolution of flow structures over a track cyclist is revealed by wind tunnel tests and numerical simulations. Distinct flow phenomenon is analyzed for better understandings of cycling aerodynamics.

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In this study, flow structures and their evolution over a track cyclist were investigated through wind tunnel tests. In supplement to the experiment, high-fidel

12/12/2024

Fluid flow physics in plants remains little-understood due to the complexity of the systems. This Special Topic pushes the physics of fluids community to better understand different complex phenomena of plants.

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https://aippub.org/3D28hzB