Articles tagged with Viscosity
A study by Professor Masaki Yoshida suggests that there is a physically meaningful upper limit to viscosity beyond which materials effectively become rigid. The research found that the maximum viscosity inferred from stable lithospheric regions is around 10^30 Pa s, making it roughly 10^33 times greater than water's viscosity.
Southwest Research Institute has patented EZ Flow technology, which reduces the viscosity of heavy crude oil by 40-60%, making it easier and less expensive to transport. The two-part process uses a proprietary chemical additive and controlled hydrodynamic cavitation to reduce viscosity without changing the oil's composition.
The upgraded facility enables efficient testing of equipment moving heavy oils, addressing the growing need for advanced gas separation technologies. SwRI's expanded High-Viscosity Flow Loop offers a more comprehensive solution, allowing for cost-effective and efficient testing of pumps in extremely viscous conditions.
Lehigh University researchers are collaborating with Dow on a three-year NSF-funded project to understand the chemistry behind full degradation of these polymers. The goal is to develop strategies for selective mixing of microbial communities to target different parts of the polymer for complete breakdown.
Researchers developed a supramolecular probe with enhanced phosphorescence properties for biological imaging and sensing. The probe demonstrated outstanding stability, biocompatibility, and specificity in viscosity response, enabling real-time visualization of critical physiological processes in cells and in vivo biosensing.
Researchers from IBEC have improved understanding of how MSCs sense environment viscosity, a key factor in differentiation into different tissue types. Viscosity affects cell behavior and promotes differentiation into softer tissues like cartilage.
Researchers unveil previously unseen properties of neutron stars through gravitational wave analysis, providing insight into internal composition and dynamic material properties. The study places observational constraints on viscosity within neutron stars.
A new study suggests that specific physical conditions during the Snowball Earth era, including ocean viscosity and resource deprivation, may have driven eukaryotes to form multicellular colonies. This finding provides a potential explanation for the long delay in the evolution of multicellularity.
Researchers developed a novel temperature-dependent viscosity mediated strategy to control Bi dopant deactivation during fiber drawing. A borate glass system with faster viscosity changing rate was created, resulting in the first demonstration of on-off gain in a Bi-doped borate fiber system.
Researchers discovered that 'odd viscosity' can create medium-sized eddies, leading to pattern formation. This phenomenon may exist in various natural contexts, including the sun's corona and solar wind.
Researchers have developed a new technique that provides a previously unattainable view of the mechanical properties inside the cell nucleus. The study reveals the peculiar dynamic structural features in living cells, which appear to be crucial for cell function.
Scientists from the University of Tsukuba have created a novel measurement technique to study fluid mixing phenomena, leveraging a selective color imaging method. The technique utilizes ultrasonic waves to levitate and mix small droplets, allowing researchers to capture their mixing state in detail.
Researchers from Osaka University have demonstrated a method of dehydrating CNFs to a dense powder without affecting their three key properties. The resulting CNF powders retain high viscosity, transparency, and tunable properties.
University of Houston researchers have created digital applications to enhance energy efficiency, including calculators for hydrocarbon MMP, carbon dioxide MMP, and viscosity. These tools offer significantly higher accuracy than current methods, helping engineers save time and resources.
Researchers from Florida State University used high-performance computing to simulate the Earth's early history, finding that an ancient magma ocean solidified in under 2 million years. This discovery helps explain chemical diversity in the lower mantle and layering within the Earth.
The study reveals that strong exothermic reactions between dendritic lithium and dissolved higher-order polysulfides drive the temperature rise of deeply cycled lithium-sulfur pouch cells. Inhibiting the polysulfide shuttle is essential to improve thermal safety.
Researchers at Terasaki Institute create micro-organospheres for direct viral infection, immune cell penetration, and high-throughput therapeutic drug screening. The technology holds promise for personalized medicine, tumor therapy and rapid drug testing.
A study published in Nature Physics reveals that specialized cell movement may explain the progression of cancer and cystic fibrosis. Cells with ruffled edges sense viscosity and adapt to increase their speed, moving faster through mucus than blood. This discovery sheds light on disease mechanisms and potential treatments.
A recent seismic study reveals that Patagonia is rising as glaciers melt due to a gap in the tectonic plate under the region. The study found low seismic velocity and a thinning of the lithosphere above the gap, which is driving rapid uplift.
A team of researchers from Shibaura Institute of Technology has developed a transducer powered by electrochemical reactions to drive fluid pumps without cumbersome parts in soft robots. The ECDT enables self-sensing technology, enhancing the multifunctionality of soft robots and allowing for miniaturization.
Shear thickening occurs when particles in a low-viscosity solution behave like a solid under stress. Researchers at North Carolina State University captured microscopic images of particles as they underwent shear thickening, revealing complex networks formed between particles and their shapes dependent on particle roughness.
Researchers at the University of Central Florida have identified food products that can alter a person's saliva to reduce the transmission potential of airborne pathogens. By adding ingredients like ginger, cornstarch, and xanthan gum to food products, people may be able to make masks more effective or even reduce their need for them.
The study reveals that microswimmers propel themselves through nematic liquid crystals with non-random trajectories to minimize elastic energy. The speed of a microswimmer varies depending on whether it pushes or pulls the surrounding fluid, and becomes slower when pushing with a stronger force.
A new theoretical model can reliably predict the properties of compounds at low temperatures using only two adjustable parameters. The model reproduces experimental data for thirty different systems, including simple glasses and complex organic compounds.
Scientists have identified an early indicator of magma viscosity that can be measured before a volcanic eruption, enabling them to forecast the potential danger. This discovery, published in Nature, could lead to more accurate assessments of volcano behavior and improved emergency response strategies.
Researchers found that white blood cells quickly change their stiffness and viscosity in response to a threat, increasing up to ten times within minutes. This dramatic change occurs even before shape changes, suggesting an underlying physical mechanism with unique utility for each cell type.
Researchers led by Kyushu University have developed a new method to explore key phenomena associated with multiphase fluid flow in porous materials, overcoming the limitation of viscous coupling effects. The new approach combines pore network modeling and lattice Boltzmann simulations, allowing for accurate capture of viscous coupling ...
A group of Skoltech scientists created machine learning algorithms that can predict oil viscosity based on nuclear magnetic resonance (NMR) data. This method has the potential to revolutionize the way oil is processed and understood.
Researchers at CUNY's ASRC discovered that amino acids arginine and lysine regulate liquid-liquid phase separation, creating multi-phase droplets with unique properties. The study provides insights into cellular dysfunction and disease mechanisms, paving the way for potential therapies.
Researchers from SUTD developed a simple method to fabricate reproducible planar microstructures of polysiloxane without changing its properties. The new approach, embedded ink writing (EIW), enables direct patterning of polysiloxane on different soft and rigid substrates.
Researchers at EPFL have developed a novel formulation that describes how heat spreads within crystalline materials. This breakthrough will help engineers design next-generation electronic devices by explaining hydrodynamic phenomena, which are prevalent in materials like graphite and graphene.
Researchers at MARVEL have generalized Fourier's heat equation, explaining hydrodynamic heat propagation in materials. The new formulation yields results that agree with experimental results on graphite and predicts the possibility of observing hydrodynamic heat transfer in diamond at room temperature.
A thin layer of liquid water, much thinner than expected, is found to reduce friction on ice, with complex viscoelastic properties. This film's unusual behavior contradicts existing theories and offers new insights into ice gliding and winter sports.
Researchers at the University of Manchester discovered that graphene's Hall effect becomes viscous due to electron-electron interactions. This phenomenon can lead to unique behaviors such as negative resistance and superballistic flow, even at room temperature.
A study analyzes airway mucus properties contributing to ineffective coughing in respiratory disease. Strategies to reduce mucus hyperconcentration and viscosity are proposed as potential solutions.
Researchers used a supercomputer to simulate the mixing of two magnetically polarized Bose-Einstein condensates, producing exotic shapes that resemble ink blot tests. The study offers clues to phenomena seen in actual experiments and may have implications for ultra-fast computing and classical-quantum fluid connections.
Researchers at Lobachevsky University create a liposomal form of porphyrazine photosensitizer to enhance targeted delivery to tumors, minimizing impact on surrounding tissues. The new formulation shows high cellular uptake and potent photoinduced toxicity, paving the way for effective photodynamic therapy.
Researchers have visualized the motion of water molecules using a novel approach, revealing highly coordinated dynamics and stable environments. This discovery may lead to advancements in electronic devices, batteries, lubricants, and semiconductor technology.
A team of researchers has found that cathedral glass transitions to a liquid much faster than previously thought, contradicting the long-held myth that it is thicker at the bottom due to viscosity. The discovery could have significant implications for our understanding of glassy materials and their properties.
Researchers at Washington University in St. Louis used a new experimental setup to measure the atomic properties of liquid materials, resolving some long-standing debates about the glass transition. The team found that fragility is related to atomic interactions and structural changes during the transition.
Researchers at the University of Calgary discovered that nanoparticles can enhance or attenuate viscous fingering, a phenomenon where fluids converge in finger-shaped patterns. The study found that nanoparticle deposition rates and diffusion rates can destabilize flows, creating vortex dipoles.
A team of scientists from the University of Vermont and Dartmouth College have discovered a new way that some molecules can make a luminescent glow, breaking Kasha's Rule. The newly discovered pathway to creating light may prove useful in industrial materials, LEDs, and biomedical imaging.
Researchers used computer modeling to predict viscosity in CO2 capture materials, allowing for the design of low-viscosity liquids that can efficiently bind carbon dioxide. This could lead to cost savings and improved efficiency in carbon capture technology.
Scientists at Berkeley Lab have developed a device that enables NMR spectroscopy with hyperpolarized xenon gas to analyze molecular interactions in viscous solutions and fragile materials without disrupting their order. This breakthrough could help improve advanced polymers, filters, catalysts, and liquid-crystal displays.
Two new studies by University of Maryland geologists provide different explanations for the boundary within Earth's mantle, with one suggesting increased viscosity and the other denser rock composition. The research sheds light on the physics of the deep Earth, particularly the heat engine driving plate tectonics at the surface.
Researchers develop new method to measure glass viscosity in just minutes, challenging current theories on glass formation. The discovery has practical implications for pharmaceuticals and OLED devices, offering greater thermal stability and longevity.
Researchers use X-rays and a new apparatus to compare behavior of glass-forming liquids as they approach the glass transition. The results show that bulk properties are linked to microscopic structure, providing insight into the mysterious process of glass formation. This study has potential applications in pharmaceutical industry.
At the nanoscale, water flows more like ketchup due to container material properties. Researchers found that hydrophilic materials increase water's effective viscosity, making it harder for molecules to move. This study could redefine fluid dynamics and impact designs of tiny mechanical systems.
Physicists at Vienna University of Technology have found a way to break the limits on viscosity, with implications for understanding superfluid helium and quantum theory. The results, published in Physical Review Letters, suggest quark-gluon-plasma can exhibit extremely low viscosity, even below previously established bounds.
A new device developed at the University of Sheffield enables real-time monitoring of liquid flow and rheology, making it easier to control product properties. The technology ensures that companies producing liquids can incorporate the device into their development process, reducing costs and improving efficiency.
Researchers at Temple University discovered that a magnetic field can reduce blood viscosity by 20-30%, posing a potential new way to prevent heart attacks. By polarizing red blood cells and streamlining their movement, the magnetic field decreases friction against blood vessel walls.
New research using atomic force microscopy reveals that liquids can respond to environmental changes by adjusting their viscosity. When confined to a nanometer-sized space and shaken, these liquids exhibit structural and mechanical properties similar to those in thicker layers.
Drs. Stefano Bianchini and Alberto Bressan's paper on nonlinear hyperbolic systems has solved a 50-year-old problem, proving the existence and uniqueness of solutions as viscosity tends to zero. Their work has far-reaching implications for various physical phenomena, including fluid dynamics and astrophysics.
Researchers led by Eric Weeks found that glasses are solid-like because they can't move when the sample chamber is thinner than typical group size. The study uses particles rather than atoms to directly observe how confinement influences glass transition, providing a simple framework for understanding other questions about glass.
Scientists at NIST report that flow properties of alternative solvents called ionic liquids are extremely sensitive to tiny amounts of water. The finding could help design new industrial processes that are more efficient and environmentally friendly.
Researchers at Penn State investigated alternative diesel fuel DME, which burns smokeless and produces fewer particulates. The team found that DME can mix completely with diesel fuel but its viscosity may be a key property in developing these fuels.