Articles tagged with Launch Systems
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.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
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.
A novel numerical prediction method for radiative heat transfer of reusable methalox rocket exhaust plumes has been developed, offering unprecedented engineering value. The method achieves remarkable accuracy with maximum relative errors below 6.0% at less than 20% computational cost.
Researchers identified four distinct DDT initiation pathways and the essential characteristics of the DDT process. The team's experiments revealed that energy focusing creates a local hot spot, which then transitions into a detonation wave.
A new framework, FlowViT-Diff, uses transformer-guided diffusion models to reconstruct high-resolution flow fields from low-resolution data. The method achieves superior accuracy and robustness compared to classical methods.
Researchers developed a novel passive control method inspired by bird feathers, achieving minimal additional losses while maintaining induced vortex strength. The bio-inspired herringbone groove array delays airfoil stall by strengthening mixing between mainstream and boundary layer, enhancing energy resistance.
A new dual diffusion framework, Para2Mesh, has been proposed to achieve direct prediction from design parameters to adaptive meshes aligned with the flow field. This approach overcomes the limitation of previous methods requiring posteriori solution information, enabling more efficient and accurate computational fluid dynamics simulati...
The project aims to improve propellant and life-support compound production in lunar and Martian environments. The researchers will evaluate the performance of a patent-pending electrolyzer developed with NASA support, testing its ability to produce fuel and oxygen.
A new study reveals that turbulence-induced disturbances can trigger compressor stall precursors, and a large-eddy simulation method captures these dynamics. The researchers propose several indicators for assessing stability limits and emphasize the need for scale-resolving numerical methods to simulate complex flows.
A team of researchers has made significant strides in solving one of hypersonic aerodynamics' most persistent puzzles - the unpredictable transition from smooth to turbulent airflow. They discovered two competing instability patterns that provide a possible explanation for the long-debated transition reversal phenomenon.
Researchers propose integrated solution combining ultrasonic vibration-assisted grinding, heat pipe grinding wheels, and minimum quantity lubrication to achieve high-efficiency precision machining with environmental sustainability. This process reduces grinding forces, minimizes thermal damage, and improves surface quality.
A research team developed an advanced adaptive aerodynamic model inspired by finite vortex theory to predict rotor performance in complex two-phase flow environments. The Finite Vortex Rotor Model (FVRM) incorporates water surface deformation and accounts for the complex feedback between rotor downwash and liquid response.
A study published in Chinese Journal of Aeronautics reveals that DSJ combines the stability of steady jets and efficiency of pulsed jets, providing better control effects under similar momentum coefficients. The unique quasi-steady characteristics of DSJ avoid large fluctuations in real-time aerodynamics.
A new analytical criterion effectively compares the aerodynamic performance of different distributed ducted propeller configurations, revealing potential for similar total thrust despite varying numbers of rotors. This innovation enables optimization of complex eVTOL systems, reducing size and weight while maintaining comparable thrust.
Researchers developed a novel approach to coupled aeroelastic analysis of panels with add-on acoustic black holes, significantly increasing the critical flutter boundary and outperforming traditional damping devices. The study highlights the importance of selecting effective AABH modes for optimal performance.
A recent UBC study found that there's a 26% annual chance of space rocket junk re-entering the atmosphere and passing through a busy flight area, highlighting the potential for uncontrolled debris to disrupt flights. The researchers emphasize the need for policymakers to take action to address this issue.
A novel disturbance rejection optimal guidance method has been proposed to enhance precision landing performance of reusable rockets. The method combines adaptive optimal steering and disturbance attenuation, allowing for improved accuracy and reduced propellant usage.
A team of scientists has introduced a novel basic detonation flow field, the Axisymmetric Inward Turning Curved Detonation Wave (AIT-CDW), which boosts compression capabilities and accelerates gas ignition. The study highlights the importance of geometric parameters in maintaining stable combustion processes.
The University of Texas at San Antonio has launched the Center for Space Technology and Operations Research, which will advance engineering, technology, and operations supporting space missions. The center will address growing demands from civil, commercial, and national security space agencies and companies.
Researchers from Tsinghua University proposed a Ram-Rotor Detonation Engine (RRDE) that improves on existing detonation engines. The RRDE uses a rotating rotor and stationary casing to create a stable detonation wave, achieving high pressure gains and efficiency.
A new course launched with funding from the UK Space Agency to address the growing skills gap in software, data, and AI for the UK space sector. The Securing the future of space: Space Software and Data/AI CPD programme will equip mid-career professionals with expertise in AI and data-science.
The Lunar Environment Monitoring System, developed by UMD researchers, will track seismic activity on the moon's surface during the upcoming Artemis III mission. The system's data will help prepare NASA for a long-term presence on other planetary bodies.
Researchers at Purdue University detect unprecedented levels of alloy aerosols in the atmosphere, likely from spacecraft and satellites. The team found that nearly 10% of large sulfuric acid particles contained aluminum and other spacecraft metals.
Researchers measured noise levels at locations around the launch pad, finding maximum sound levels exceeded predicted values by nearly 20 decibels. The study's findings will help validate and improve existing noise prediction models to protect equipment and surrounding environments.
Researchers used physics-based models and historical data to debunk internet claims about the Saturn V's acoustic power, finding levels of 203 decibels, comparable to commercial jet engines. The study also predicts sound levels for NASA's SLS Artemis 1 launch and provides educational tools for college-level physics classrooms.
Researchers estimate a 6-10% chance of casualties from uncontrolled re-entry of abandoned rocket stages within the next decade. The study suggests that governments should mandate safe re-entry guidelines to minimize risks and save lives.
Researchers calculate that low-power lasers on Earth could launch and maneuver small probes equipped with silicon or boron nitride sails, propelling them to much faster speeds than rocket engines. The lasers could propel tiny sailed probes on interplanetary or interstellar missions without requiring large amounts of fuel.
China's space transportation systems have made significant leaps in recent decades, with advancements in launch vehicles, propulsion systems, and artificial intelligence. The country aims to become a powerful space nation by the mid-21st century, with plans for manned missions to the Moon and Mars.