Articles tagged with Hydraulics
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers created a gear mechanism that relies on fluids to generate rotation, offering potential for new mechanical devices with improved flexibility and durability. The invention holds promise by eliminating the need for interlocking teeth and allowing for controlled rotation speed and direction.
Researchers from Johannes Gutenberg University Mainz reconstructed the development of Barbegal's former water mills using carbonate deposits. The study found that wooden water wheels and gutters were replaced every 3-8 years, and the structure was modified to increase water flow.
Research at Tampere University aims to develop adaptable safety systems for autonomous off-road mobile machinery. The framework focuses on ensuring public safety without compromising technological advancements, incorporating a human-in-the-loop safety option.
A team of researchers from Xi'an Jiaotong-Liverpool University and other institutions has identified a flexible and user-friendly model for predicting flood frequency in a changing environment. The fractional polynomial-based regression method is more effective than existing models, which often fail to account for factors like climate ...
A new study by Oregon State University researchers found that Christopher McCandless's ill-fated river crossing in 1992 was thwarted by an intense, short-lived runoff event. This would have allowed him to cross the river if he had tried a day earlier or later.
Researchers at City University of Hong Kong discovered a way to steer the spreading direction of liquids on a surface inspired by the Araucaria leaf. By adjusting the surface tension, they can control the liquid flow direction, with implications for fluidics design and heat transfer enhancement.
Researchers found significant periodic flow velocity fluctuations in fuel injector ignite combustion oscillations, leading to high mechanical stress on the combustion chamber. The findings provide a reasonable answer for why these oscillations occur and have significant implications for preventing fatal damage in critical engines.
Researchers in Spain found rock humidity in dehesas can sustain vegetation during droughts by providing an alternative source of water. Soil moisture levels varied between slopes, with the north-facing slope having higher biomass and NDVI values, indicating improved plant growth due to increased water storage capacity.
Researchers discovered that trees experience a sudden collapse in their hydraulic systems during drought, leading to rapid death. The study found that this collapse occurs much sooner than previously thought, highlighting the importance of understanding tree water relations.
Researchers developed a low-cost technology that harnesses excess grid pressure to generate electricity, reducing diesel generator use and carbon footprint. Annual savings and CO2 emissions reductions reached €2,400 and up to 9 tons respectively, benefiting farmers in off-grid areas.
A team of scientists discovered an elbow-shaped flume in the Barbegal watermills, a unique adaptation for efficient water supply. The research, published in Scientific Reports, provides insights into Roman engineers' ingenuity and technological advancements.
The new electrohydraulic valve train achieves significantly lower energy requirements and flexible gas exchange, adapting to changing fuel properties and enabling easier implementation of renewable fuels. The system also features an oil-free cylinder head, utilizing a water-glycol mixture for fast-switching hydraulic systems.
Researchers developed a system of physics equations to model how water spills out over an earth dike, causing it to break and overflow. The new model takes into account the deformation of the dike's bed while water erodes it, providing more accurate predictions and improving flood safety.
Dr. Panos Diplas, a Lehigh University professor, has been elected as an ASCE Fellow for his distinguished work in civil engineering and research on river phenomena such as scour and meandering. His team's studies aim to improve bridge stability and mitigate the effects of river movement on ecosystems.
A new study by Brown University researchers found that fat leaves evolved a three-dimensional vein structure to store water and sustain efficient photosynthesis. This evolution allowed leaves to become thicker without compromising hydraulic performance, enabling plants like succulents to thrive in arid conditions.
A recent study by Margolis and Shim found that a small movement of the mechanical controls in backhoes can lead to rapid vibration, causing operators to lose control. The problem can be eliminated by stiffening the suspension of the cab or developing automatic control systems.
Pacific Northwest National Laboratory has developed a culvert test bed to assess hydraulic conditions and fish behavior in various culvert designs. The system enables controlled experiments to address ESA issues and inform improved stream crossing designs, benefiting the well-being of fish runs in Washington State.