Articles tagged with Plasma Temperature
Scientists observe a new type of magnetic explosion, known as forced reconnection, triggered by a solar eruption. This discovery confirms a decade-old theory and may help predict space weather and understand the Sun's atmosphere.
Researchers successfully produce pure polynitrogen by zapping sodium azide with a jet of plasma in liquid nitrogen, opening a new avenue for stable production. The substance is stable at atmospheric pressure and temperatures up to -50 Celsius.
Researchers have discovered that injecting frozen hydrogen fuel pellets into a fusion reactor's plasma can help repair tears in the surrounding magnetic field, reducing magnetic island instabilities. This approach may improve the efficiency of future fusion power plants by freeing up resources needed for magnetic stability.
Researchers at Oak Ridge National Laboratory have demonstrated that metal foam can enhance the evaporation process in thermal conversion systems, enabling the development of compact heating, ventilation and refrigeration units. The small-scale evaporator proved metal foam is well-suited for compact systems.
Physicists have found that by fine-tuning the electromagnet configurations and initial plasma properties, magnetic mirrors can achieve longer confinement times and lower loss rates. This could make them ideal for new particle physics experiments.
TAE Technologies, backed by DOE funding through INCITE program, aims to achieve commercially viable nuclear fusion energy. The company's FRC device seeks to confine plasma at high temperatures for extended periods, paving the way for sustainable, carbon-free energy production.
Researchers propose a new measurement technique to stabilize plasma in next-generation magnetic fusion devices. By combining Electron Cyclotron Emission data with high-neutron environment imaging, the system provides robust diagnostics for mapping and controlling plasma equilibrium.
Researchers at Friedrich Schiller University Jena have successfully created plasma using nanowires and long-wavelength ultrashort pulse lasers. The new method achieves higher temperatures than previously thought possible in a laboratory setting, opening up new avenues for studying plasma and its properties.
Science-oriented CubeSats like MinXSS can collect valuable data on solar flares and the Sun's atmosphere, consistent with large satellites. The success of these small satellites has led to new funding opportunities for CubeSat science missions.
Researchers at Texas A&M University have developed a new method of underwater plasma generation using a snapping shrimp's claw, producing jets of plasma reaching over 3,000 degrees Fahrenheit. This discovery could provide significant improvements for actions ranging from water sterilization to drilling.
Scientists successfully synthesize polymer nanoclusters and fibers at temperatures below 2K, opening up possibilities for creating new materials. The synthesis was achieved using a multimodal dusty plasma cooled by superfluid helium.
Srinivasan will develop a novel kinetic approach to understand astrophysical phenomena associated with supernovae explosions and their impact on plasma transport. His research has implications for clean energy, national security, and fundamental science.
Scientists at the University of Rochester's LLE have successfully turned a liquid metal into a plasma, exhibiting classical properties at high temperatures. This discovery has implications for better understanding stars and planets, as well as realizing controlled nuclear fusion, a promising alternative energy source.
Researchers at Princeton Plasma Physics Laboratory have discovered a process that can help control disruptions in fusion plasmas, a key challenge for generating clean energy. The process focuses on stabilizing tearing modes, which create magnetic islands that can trigger disruptive events and halt fusion reactions.
The Wendelstein 7-X experiment achieved record-high plasma densities of up to 2 x 10**20 particles per cubic meter and temperatures of 20 million degrees Celsius. These results are significant milestones in fusion research, demonstrating the potential for stellarators to achieve high-quality confinement.
Using computer modeling, a team discovered that plasmas activate metal catalysts in packed bed reactors, causing faster and more efficient chemical reactions. This process could lead to more efficient processes for removing air pollution, converting CO2 into fuels, and producing fertilizer.
The Wendelstein 7-X superconducting stellarator successfully completes its first operational phase, demonstrating stable and high-density plasma conditions. The experiment's goal is to achieve temperatures of over 10 million degrees in plasmas using microwaves, a crucial step towards realizing fusion power.
Researchers found that the Biermann effect can sever magnetic field lines, triggering magnetic reconnection. The discovery was made through computer simulations of high-energy-density plasma experiments, revealing a previously unknown mechanism in astrophysical plasmas.
Researchers analyzed experiments at major particle accelerators, shedding new insights into the mechanism of cooling and freeze-out of quark-gluon plasma into current constituents. The study found a critical temperature of 156 MeV for the phase transition, confirming theoretical predictions.
Researchers at the Princeton Plasma Physics Laboratory have discovered a mechanism called magnetic flux pumping that stabilizes plasma in tokamaks, preventing sawtooth gyrations and halting fusion reactions. This breakthrough could lead to the development of fusion energy by regulating plasma current and pressure.
Researchers at Max-Planck-Institut für Plasmaphysik achieved a record-breaking fusion product with Wendelstein 7-X, lasting up to 26 seconds and reaching temperatures of 40 million degrees. The device's optimized magnetic field geometry also demonstrated improved thermal insulation and low bootstrap current.
Researchers at National Institutes of Natural Sciences and United States collaborators discover turbulence exists in magnetic island, propagates faster toward center than modulated temperature change. This breakthrough demonstrates new way to suppress turbulence using propagation idea.
Researchers at PPPL will develop innovative X-ray diagnostics to measure plasma temperature and density, as well as tungsten content. The new instruments will provide vital information for future fusion devices.
Researchers have discovered a way to create an ultracold plasma that naturally forms a robust many-body localized state, enabling the spontaneous creation of quantum materials. This breakthrough could pave the way for more practical applications of quantum technology.
Researchers at National Institute for Fusion Science have discovered a way to predict plasma loss in fusion research. By studying the resonant and non-resonant modes of plasma deformation, they can identify the 'trigger' that occurs immediately before the sudden phenomenon, allowing for predictions to be made.
Researchers discover that non-thermal plasma can efficiently produce oxygen on Mars through decomposition of CO2. The process could provide a stable and reliable source of oxygen for manned missions, reducing costs and risks.
Dr. Michael Keidar, a George Washington University professor, received the award for his groundbreaking research on cold plasma application in cancer therapy. His work demonstrated progress in creating cold plasmas and their applications to cancer therapy procedures.
Researchers at Osaka University have developed a new method to make non-stick fluoropolymers adhesive by combining heat and plasma treatments. This approach improves the bonding strength of PTFE with other materials, avoiding the use of harsh chemicals and increasing its industrial applications.
Researchers from the University of Liverpool have made a significant breakthrough in converting carbon dioxide and methane into liquid fuels and chemicals. The new process uses non-thermal plasma synthesis to achieve high selectivity at room temperature, producing valuable chemical feedstocks.
The second round of experimentation has begun at Wendelstein 7-X, a stellarator designed to produce power from fusion reactions. The upgrade includes new heating and measuring facilities, graphite wall tiles, and ten divertor modules, which will allow for higher temperatures and plasma discharges.
Engineers at PPPL designed and delivered new pole shields to protect magnets in neutral beam injectors, increasing their lifespan. The redesigned parts will withstand higher heat loads and enable more efficient fusion reactions.
Researchers at National Institutes of Natural Sciences successfully generated plasma with an ion temperature of 100 million degrees, a key milestone toward achieving burning plasma for fusion. The high-temperature plasma exhibits characteristics suitable for fusion reactor plasmas.
Researchers at PPPL successfully demonstrated a hot plasma edge in a fusion facility by coating tokamak walls with lithium. The findings show that high-edge temperatures and constant temperature profiles can be achieved, which is crucial for improving plasma performance and efficiency.
Spicules are violently driven jets of plasma that occur thousands of times per day, yet their origin is poorly understood. The new model resolves this mystery by explaining how magnetic fields and solar plasma interact to generate spicules.
Physicists at PPPL have simulated the spontaneous transition of turbulence at the plasma edge to H-mode using a first-principles-based model. The simulation reveals that both turbulence-generated and non-turbulent sheared flows contribute to the bifurcation, providing the physics-basis for successful tokamak operation.
Researchers at Osaka University report heat-assisted plasma treatment can modify PTFE to improve its adhesive properties, making it suitable for medical procedures. The treatment recovers the surface layer, strengthening the adhesion between PTFE and rubber, allowing for stable and non-toxic lubrication.
Researchers at National Institutes of Natural Sciences successfully simulated a plasma blob's movement with unprecedented accuracy, calculating 1 billion particles. This breakthrough allows for finely detailed analyses of the plasma's internal structure and temperature distribution, greatly improving prediction accuracy.
Researchers from Johns Hopkins Medicine have found that drone transportation of large bags of blood products can maintain their temperature and cellular integrity. The study suggests drones are an effective way to transport blood products to remote areas or time-sensitive destinations.
The journal aims to provide cutting-edge reviews and tutorials on plasma physics, benefiting graduate students and young researchers. Published exclusively online by Springer, it will cover various fields of plasma physics, including natural and laboratory plasmas.
Scientists observe localized plasma deformation, known as a 'tongue', in the LHD, confirming Artsimovich's prediction. The discovery offers insights into maintaining high-temperature and high-density plasmas for fusion research.
Researchers at Sandia National Laboratories have demonstrated improved control over and understanding of implosions in a Z-pinch, enabling the creation of thermonuclear fusion-relevant densities and temperatures. The breakthrough was enabled by unforeseen physics that led to unprecedented implosion stability due to helical modes rather...
Researchers found that long-leg plasma exhaust channels can handle high power densities, exceeding material limits. The configuration promotes the build-up of high gas pressures in the legs, enabling a stable radiating layer to fully accommodate plasma heat exhaust.
The Wendelstein 7-X (W7-X) experiment in Germany has achieved impressive initial plasma results, pushing the boundaries of magnetic confinement. The device uses a unique twist design to optimize plasma confinement on both individual-particle and macroscopic scales.
Researchers have discovered a new mechanism for generating electric currents that leads to improved plasma confinement, solving a long-standing problem in fusion reactor development. The study found that the difference in trajectories between electrons and ions plays a crucial role in creating this electric current.
After a successful first round of experiments, Wendelstein 7-X is upgrading to achieve higher heating powers and longer plasma pulses. The device has already achieved pulse lengths of six seconds and temperatures of 100 million degrees Celsius.
Researchers at PPPL designed and tested a 'liquid lithium limiter' that circulated protective liquid metal within the walls of China's EAST tokamak, keeping plasma from cooling down and halting fusion reactions. The system improved tokamak performance by reducing impurities and maintaining optimal plasma conditions.
The team discovered a new plasma wave phenomenon leading to the development of a negative ion source for fusion plasma heating. The newly developed plasma source utilizes a helicon wave to produce high-temperature electrons, which are then neutralized and injected into the magnetically-confined plasma core.
New findings suggest that turbulent plasma could improve inertial confinement fusion experiments by storing energy. The compression of fluid turbulence was modeled to show a positive impact on ICF experiments, suggesting a new design for compression-based fusion research. However, caveats and challenges remain in the field.
Researchers have successfully simulated deuterium plasma turbulence in the Large Helical Device (LHD) using the Plasma Simulator, a cutting-edge supercomputer. The results show improved energy confinement in deuterium plasma compared to hydrogen plasma.
A team of researchers from Auburn University, the University of Iowa and the University of California, San Diego, discovered a new form of crystalline-like matter in strongly magnetized dusty plasma. The lattice properties can be imposed arbitrarily by an external grid/mesh structure, creating unique geometric patterns.
Researchers at National Institute for Fusion Science have discovered a new confinement state inside a magnetic island, essential for improving fusion reactor plasma confinement. This breakthrough was achieved through the 'momentary heating propagation method' and has implications for future fusion research.
Researchers at Vanderbilt University have successfully created tiny drops of quark-gluon plasma using the Large Hadron Collider, exhibiting coherent behavior and flowing properties similar to those of liquids. The findings shed new light on the formation process of these primordial droplets.
Researchers Elena Belova and her team proposed a mechanism explaining why plasma fails to reach required temperatures in tokamaks. The new understanding could lead to improved control of temperature in future fusion devices, including ITER.
Scientists have developed a new method to control plasma rotation, a crucial aspect of fusion energy. The technique, which manipulates the intrinsic rotation of hot plasma gas within fusion facilities, has the potential to improve tokamaks' performance and reduce operating costs.
University of Washington researchers are scaling up their 'Sheared Flow Stabilized Z-Pinch' device in hopes of achieving a sustainable fusion reaction. With a $5.3 million grant, they aim to create a proof-of-principle experiment that demonstrates the concept's scalability.
Scientists have discovered that injecting tiny grains of lithium into a plasma can dramatically improve its temperature and pressure, doubling the pressure at the outer edge and increasing the length of time it remains high. This breakthrough could lead to more efficient fusion reactions and potentially shorten the development timeline.
Delgado-Aparicio's research aims to eliminate impurities that cool plasma and halt fusion reactions, crucial for ITER and NSTX-U experiments. His $2.6M grant will fund development of a complex diagnostic tool to analyze impurity reactions with plasma.
Researchers at the University of York have found a potential new treatment for organ-confined prostate cancer using low-temperature plasmas. The study, published in the British Journal of Cancer, suggests LTPs may be a viable alternative to current radiotherapy and photodynamic therapy treatments.
Researchers at NIFS and Kyushu University have discovered a new mechanism that stops plasma flow when the magnetic flux surface is disturbed. This observation is significant for nuclear fusion research and has implications for understanding plasma behavior in the universe.
Researchers discovered a connection between nuclear particles and electromagnetic theories via plasmas, suggesting an equivalence between generalized Casimir forces and weak nuclear interactions. The study found that long-range electromagnetic fluctuations differ from those in vacuum conditions.