Articles tagged with Thermal Plasmas
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.
Zap Energy's FuZE-3 device has reached electron pressures of up to 830 MPa, or 1.6 GPa total, in a sheared-flow-stabilized Z pinch, a major milestone on the path to scientific energy gain. The device achieves this high pressure through independent control of plasma acceleration and compression.
The Department of Energy's Oak Ridge National Laboratory has been awarded $6.1 million to lead three research collaborations tackling fusion energy challenges. The projects focus on advanced materials, plasma diagnostics, and simulation technologies to accelerate the development of fusion energy.
A new Zap research paper validates the company's sheared-flow-stabilized Z-pinch fusion approach by measuring nearly isotropic neutron energies, indicating stable thermal plasma. This achievement provides a benchmark milestone for scaling fusion to higher energy yields and confidence in reaching higher performance on the FuZE-Q device.
Researchers developed a sustainable approach to improving polymer performance by using plasma treatment on polypropylene-lignin blends. The treated lignin exhibited increased phenoxy radicals and reduced hydroxyl functionalities, leading to enhanced compatibility with PP.
A UVA professor has made new discoveries about electron kinetic behavior within plasma beams, potentially revealing the 'shape' of future space technology. The findings could lead to more efficient and reliable electric propulsion systems for long-duration space missions.
Researchers at the University of Liverpool have achieved a significant milestone in converting carbon dioxide into valuable fuels and chemicals. They report a pioneering plasma-catalytic process for the hydrogenation of CO2 to methanol at room temperature and atmospheric pressure, achieving impressive selectivity rates.
Scientists at Zap Energy have achieved a major breakthrough in fusion technology, creating a plasma with electron temperatures of up to 37 million degrees Celsius. The company's sheared-flow-stabilized Z pinch device far exceeds the previous record and offers a promising path to commercial fusion energy.
Energy beam-based direct and assisted polishing technologies for diamonds improve surface quality and material removal rates, overcoming limitations of traditional methods. Researchers analyzed four latest polishing techniques, including laser polishing, ion beam polishing, plasma-assisted polishing, and laser-assisted polishing.
UVA professor Patrick Hopkins is developing a 'freeze ray' technology to cool electronics in spacecraft and high-altitude jets, which can't be cooled by nature due to the vacuum of space. The technology uses heat-generating plasma to create localized cooling, and has been granted $750,000 by the Air Force.
A team of researchers used the National Ignition Facility (NIF) to create a laboratory replica of galaxy-cluster plasmas, discovering strong suppression of heat conduction in these turbulent environments. The experiments provide insight into complex physics processes and raise additional questions that may be answered in future studies.
Thermal quenches in fusion devices occur when high-energy electrons escape from the core and fly toward the wall, causing a rapid drop in electron temperature. The researchers propose an analytic model of plasma transport that provides new physical insights into the complex topology of 3-D magnetic field lines.
Researchers achieved stable partial energy detachment and suppressed material sputtering using Ar and Ne seeding. The study provides a feasible experiment program for maintaining steady-state plasma under high-power long-pulse conditions.
Researchers successfully ignite lean methane/air mixtures using intense fs-lasers, achieving a 100% ignition success rate with sub-mJ energy. The approach has general applicability to complex combustion conditions and provides possibilities for ultrafast physical/chemical processes investigation.
Scientists have discovered a new method to control icing on next-generation aircraft using plasma actuators. The technology can transfer heat locally while mixing well with incoming airflow, preventing stress on composite materials. Researchers tested three configurations of actuators in high-speed cameras and infrared thermal imaging.
The Max-Planck-Princeton Center has made significant progress in fusion research, investigating plasmas in astrophysics and advancing understanding of magnetic reconnection. New computer codes and experimentation have improved simulations, resolving long-standing questions about solar wind heating and magnetic field behavior.
Scientists at DIII-D National Fusion Facility successfully tested Shattered Pellet Injection (SPI) technique, rapidly cooling hot plasma to prevent disruptions. The innovative approach involves injecting frozen neon and deuterium pellets into the plasma, reducing localized heating and mechanical forces on the tokamak walls.
Researchers at Vienna University of Technology have discovered pre-thermalization, where an intermediate state emerges between an ordered initial state and statistical equilibrium. This state exhibits some equilibrium properties but retains distinct order for a remarkably long time.
Researchers will study turbulent transport and organization in fusion and astrophysical plasmas to design better, smaller and cheaper fusion systems. Understanding the link between flow self-organization and large-scale flow dissipation may also improve ITER's fusion power production.
The McGill researchers developed a new method to produce CNTs with the possibility of scale up to large industrial levels, based on thermal plasma technology. This technology has the potential to bring down production costs and increase availability in large quantities.
Researchers at NASA's Marshall Space Flight Center found that the Earth's polar fountains of energized gas are a significant source of material for the magnetosphere, contradicting previous assumptions. The discovery was made using a device called TIDE, which neutralizes spacecraft plasma sheaths to detect low-energy ions.