Articles tagged with Fluids
Researchers from Kyushu University used high-power lasers to recreate magnetic reconnection in a controlled environment. Their study shows that reconnection rates are governed by local physics, not plasma properties, providing experimental benchmarks for testing theoretical models.
Researchers are using AI to model complex turbulent flows, including wind, aerosols, and combustion, to quantify uncertainty in foundation models. The project aims to create a physics-constrained AI foundation model for complex flows important to energy systems.
Roll waves play a crucial role in hydraulic engineering, but current design standards overlook their formation. Researchers at Kyoto University discovered a fundamental flaw in existing standards, revealing the importance of understanding unsteady flows like roll waves.
Scientists developed laser-carved microvalves to protect fragile brain catheters from backflow, enabling smooth delivery of therapies. The valves regulate fluid flow through geometry without moving parts, suppressing reverse pressure surges by up to 82%.
Researchers at WVU are developing new laser-based techniques to observe plasma behavior in unprecedented detail, allowing them to examine how charged particles and energy move between plasmas and material surfaces. This study could lead to improved understanding of plasma sheaths and their role in surface wear and material lifetime.
Physicists used a water tank to simulate the Aharonov-Bohm effect, revealing counter-rotating wave patterns that mimic quantum effects. The study showed that adding a vortex causes shifts in wave phase, resulting in rotating lines of zero wave height, or nodal lines.
Prof. Yanquan Geng's team has devised a way to carve variable-depth, three-dimensional trenches into gallium antimonide using a microscopic tip vibrating thousands of times per second. This process improves the crystal's structural integrity and enables the creation of pristine 3D nanogrooves with controlled depths and widths.
Southwest Research Institute has upgraded its facilities to accommodate subsurface safety valve (SSSV) testing for carbon capture and storage (CCS) applications. The upgrades support existing high-quality testing services while enabling efficient testing at extreme temperatures.
Researchers developed a sensor that can detect the chemistry of a single drop of body fluid using a hair-thin optical fiber probe. The device measures electrical conductivity through an optical signal, allowing for stable and real-time measurements in small volumes.
Southwest Research Institute's Metering Research Facility has received ISO/IEC 17025 accreditation, confirming compliance with international testing and calibration standards. The facility offers highly specialized calibration services to energy sector clients using its recirculating natural gas flow lab.
Direct-ink writing (DIW) technology faces unique physics puzzles, requiring a balance between liquid-like and solid-like behavior. The review aims to stimulate fundamental work on the central challenges of DIW, enabling more reliable and precise processes.
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.
The scientific program features nearly 300 sessions and thousands of presentations on various fluid dynamics topics. The conference will also include a visual arts competition, Gallery of Fluid Motion, with a traveling exhibit on display until January 2026.
Thousands of scientists will gather to present new research on fluids at the 78th American Physical Society meeting. The conference features a scientific program with thousands of presentations on various fluid dynamics topics.
The VasCog-2-WSO criteria update provide operationalization and guidance on neuroimaging and fluid biomarkers for VCID diagnosis. This new standard aims to facilitate diagnostic consistency among clinicians and researchers worldwide.
Researchers developed a high-energy ultrasonic regeneration strategy to restore nano-phase change emulsion performance under low-temperature conditions. This innovation enhances the stability of phase change emulsions, unlocking their full potential for thermal energy storage and cold-chain logistics applications.
Researchers investigate beer foams to understand their stability, finding that different types of beers use unique mechanisms to hold thin films together. The study provides valuable insights for creating stable foams with applications in oil separation, firefighting chemicals, and more.
KAUST researchers developed a mathematical model to predict fluted film behavior, which can inform design strategies for industries like food processing and pharmaceuticals. The study reveals complex shapes formed by the liquid as it drains from a tube.
Researchers have developed a novel way for liquid crystals to retain information about their movement, enabling the creation of smart and flexible materials. The breakthrough could lead to advancements in memory devices, sensors, and new types of physics.
A new microfluidic chip design enabled precise control over interstitial flow and shear stress distribution, leading to sustained microvascular growth for over 12 days. The study found that rectangle chambers exhibited the highest network density due to uniform low shear stress, mimicking physiological capillary conditions.
Viscoelastic fluids exhibit a unique relaxation time that interacts with turbulence, resulting in an unexpected meandering motion. This interaction leads to three distinct flow states: low, middle, and high diffusivity states, with the high-diffusivity state significantly enhancing heat transfer efficiency.
Researchers developed a machine learning-powered fluid simulation model that significantly reduces computation time without compromising accuracy. The new surrogate model maintains the same level of accuracy as traditional particle-based simulations while reducing computation time from approximately 45 minutes to just three minutes.
Researchers at Seoul National University have developed a compact peritoneal dialysis device that can be used as a wearable artificial kidney, offering an alternative to traditional hemodialysis. The device uses nanoelectrokinetic technology to continuously regenerate peritoneal dialysate and remove waste products from the body.
A large-scale study found that limiting fluid intake in patients with stable heart failure has no health benefits and may even cause increased thirst. Conversely, drinking more fluids without restriction did not lead to any negative outcomes, suggesting that fluid restrictions are unnecessary for these patients.
Dr. Rita Okoroafor's research integrates geochemistry, geomechanics, and reservoir engineering to improve understanding of fluid-rock interactions in subsurface technologies. Her work enhances hydrogen storage efficiency, optimizes geothermal reservoir performance, and improves CO2 storage security.
A collaborative research effort has provided new insights into the likelihood of mpox spreading by airborne respiratory particles, comparing it to SARS-CoV-2 and smallpox. The study suggests that future viral evolution could alter this dynamic, underscoring the need for continued surveillance.
Researchers from Uppsala University found that lymphatic endothelial cells have a lobate shape due to their capacity to change shape and increase overlap between cells. This shape supports resilience to changes in fluid volume and is also found in plant leaves.
Virginia Tech researchers Pamela VandeVord and Gunnar Brolinson received a $2.17 million grant to investigate cranial osteopathic manual manipulation as a potential treatment for traumatic brain injury symptoms, particularly headaches. The noninvasive technique aims to enhance brain fluid motion and balance the autonomic nervous system.
Researchers have discovered a family of genes essential for tuberculosis survival during airborne transmission, providing new drug targets. The study sheds light on the bacterium's protective mechanisms, which could prevent infection spread and treat existing cases.
The Rice team created a low-cost, pump-free flow cytometer that uses gravity-driven slug flow to analyze cells with similar accuracy as conventional devices. The device is powered by AI and can count specific immune cells from unpurified blood samples within minutes.
A novel carbon-neutral grout, CSRGF, has been developed by recycling waste fluids from geothermal energy harvesting plants, addressing environmental challenges in traditional grouting methods. The new material shows remarkable performance, with a 50% increase in liquefaction resistance and superior water-sealing properties.
Ebru Demir aims to study how groups of AI-driven microswimmers move in biological fluids for potential applications in drug delivery, fertility treatments, and other medical fields. Her research combines artificial microswimmers with machine learning to uncover the underlying physics governing their movement.
Research team finds that heavy Mg isotopic signatures in volcanic rocks can be explained by partial melting of serpentinite-dominated mélanges. The study proposes a novel model involving diapiric rise and melting of these mélanges, which aligns with geochemical characteristics of arc magmas.
Researchers at Trinity College Dublin have discovered a biomarker panel that can accurately identify patients at risk of developing pancreatic cancer, offering new hope for early detection and improved treatment. The study uses a combination of blood and fluid analysis to distinguish between low- and high-risk patients.
A new method allows for accurate measurement of blood-brain barrier permeability, revealing that many CNS drugs penetrate the barrier rapidly. The study found that plasma proteins play a crucial role in maintaining brain delivery of lipophilic agents.
A team of researchers from Universidad Carlos III de Madrid created an innovative technique to produce regular oil lenses of uniform size on water surfaces. This discovery can help study the behavior of oily substances on water surfaces, with applications in oil spill mitigation and food industries.
A study published in Research and Practice in Thrombosis and Haemostasis found that adding amniotic fluid to plasma improves blood's ability to thicken and clot. The research also identified changes in amniotic fluid composition over time, which can affect maternal and fetal health.
A systematic literature search identified high-priority clinical actions for post-acute care, including early education, risk assessment, and mental health screening. Implementing these actions can improve the quality of care for non-hospitalized TBI patients.
Researchers have developed a new diagnostic test that uses two markers found in the synovial fluid of patients' joints to differentiate osteoarthritis from inflammatory arthritis. The algorithm, based on the ratio of cartilage oligomeric matrix protein and interleukin-8, has been validated with high accuracy.
A new blood-based biomarker, placental growth factor (PlGF), has been identified as a potential tool for detecting early brain changes associated with cognitive impairment and dementia. Elevated PlGF levels were found to be linked to increased vascular permeability, leading to white matter injury and subsequent cognitive decline.
The Southwest Research Institute is recruiting residents and visitors from around the world to participate in an international oil sampling program. Participants will be paid for purchasing prequalified oil samples and shipping them to SwRI's headquarters, with payment amounts varying by location and type of sample.
A new test developed by McMaster University uses bacteriophages to detect bacteria in fluids such as water, urine, or milk. The test produces quick results within hours, making it a valuable tool for diagnosing diseases and ensuring food safety.
Researchers argue that the planets' unique magnetic fields can be explained by immiscible layers of water and hydrocarbons. Computer simulations show that a combination of water, methane, and ammonia separates into two distinct layers under extreme temperatures and pressures.
The MIT team fabricated a simple water filter modeled after the mobula ray's plankton-filtering features and studied its performance. They found that the ray's filtering features are broadly similar to industrial cross-flow filters, which could inform design of water treatment systems.
A Curtin University-led study has found geochemical 'fingerprints' of water-rich fluids in a 4.45 billion-year-old zircon grain from the Martian meteorite NWA7034. This discovery opens up new avenues for understanding ancient Martian hydrothermal systems and the planet's past habitability.
A nasal spray form of bumetanide has been found to reduce tissue swelling in heart failure as effectively as standard oral and intravenous formulations. This new treatment option could provide a valuable tool for treating heart failure, promoting care at home and reducing hospital admissions.
Scientists will present new research on bio-inspired floating offshore wind farms, harbor seals' whisker sensing abilities, and Manu jumping. The conference features over 300 sessions and nearly 2,800 presentations.
Researchers have developed microneedle sensors to analyze dermal interstitial fluid, offering a minimally invasive alternative to traditional blood-based diagnostics. These wearable devices show potential to revolutionize personalized healthcare and daily health monitoring.
A team of researchers at the University of Pennsylvania School of Engineering and Applied Science has confirmed that baseball's 'magic mud' works, providing the right mixture for spreading, gripping, and stickiness. The study also highlights the potential for natural materials like the mud to be used as sustainable lubricants.
A Washington State University-led study found a strong link between dehydration and exercise-induced muscle cramps in IRONMAN triathletes. Severe dehydration was associated with an increased risk of muscle cramps, which were more common in athletes who finished the race faster.
The 77th annual meeting of the American Physical Society's Division of Fluid Dynamics will feature more than 3,200 presentations on various fluid dynamics topics. The conference will also include a visual arts competition and exhibition showcasing the science and beauty of fluid motion.
A recent study published in the Journal of the American Veterinary Medical Association has revealed new insights into treating cats exposed to toxic lilies. The study found no significant difference in acute kidney injury prevalence between inpatient and outpatient groups, suggesting that outpatient management may be a viable option fo...
A team of researchers from the University of Washington has developed a flexible pipe with an interior helical structure inspired by shark intestines, which can keep fluid flowing in one direction without flaps. The design rivaled and exceeded Tesla valves, a one-way fluid flow device invented over a century ago.
Researchers Rohit Velankar and his father Sachin Velankar discovered that flexible containers drain faster but produce smaller glugs, contradicting initial assumptions. Their experiment used sensors to measure pressure oscillations in different types of bottles.
A new library of healthy participants' neuroimaging data has been created to aid in the diagnosis and treatment of traumatic brain injury (TBI). The Normative Neuroimaging Library consists of data from approximately 1900 individuals, providing a comprehensive dataset for clinicians and researchers.
The International System for reporting serous fluid cytopathology aims to standardize diagnostic criteria and improve communication between pathologists and clinicians. The system categorizes samples into five categories: Nondiagnostic, Negative for Malignancy, Atypia of Uncertain Significance, Suspicious for Malignancy, and Malignant.
A research study led by Amsterdam UMC demonstrates a strategy to reduce unnecessary IV and catheter use, resulting in a 37% reduction in related infections. The study's five-year sustainability highlights the importance of temporary investments and effective implementation.
Researchers at PolyU have invented a unique fluidic processor called Connected Polyhedral Frames (CPFs), which enables reversible switching between liquid capture and release. CPFs offer a versatile platform for various applications, including controlled multidrug release, biomaterial encapsulation, and air conditioning.
Scientists at Lehigh University are using mayonnaise to study Rayleigh-Taylor instability and its transition to a plastic regime. The researchers aim to better understand the physics of nuclear fusion through this unconventional approach.
The study creates two 3D maps at once by combining near-infrared absorption imaging with image processing, providing insights into optimizing micro-heating and cooling devices. The technique promises to deliver new knowledge on convective plume formation at the microscale.