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The Facility for Rare Isotope Beams (FRIB) will be a 600 million dollar national user facility operated by Michigan State University providing facility users with intense rare-isotope beams for a wide variety of applications. Converting intense low-energy ion beams from fast ion beams into low-energy beams by employing gas stopping is critical for FRIB science with stopped and reaccelerated rare i ...

Research in fusion energy is becoming increasingly reliant on large-scale plasma simulations for both scientific understanding and hardware design. While most such codes evolve equations in time, there is a small but significant class of important problems that are susceptible to linear and/or quasilinear analysis. In such cases, eigenvalue solvers offer considerable advantages in computational ef ...

National and international class magnetic fusion energy experiments, including DIII-D, C-Mod, NSTX, and ITER, all rely on RF heating as a principal means of achieving the requisite high temperature plasma. In these experiments, the RF power must first pass through the lower density, lower temperature edge region before it can reach the high density core of these experiments, where by design, it is ...

There is significant opportunity for energy efficiency improvements throughout the global industrial and manufacturing sectors. Significant energy efficiencies have been made by manufacturers of domestically produced goods, but with the rise in export of manufacturing to countries with poor energy regulations have increased the energy footprint of consumer goods being imported back into the U.S. T ...

The Continuous-Flow Streamwise Thermal-Gradient CCN Counter (CFSTGC) ommercialized by Droplet Measurement Technologies has proven to be reliable, robust, and relatively simple to operate for ground-based and airborne measurements. Supersaturation changes are made by varying the temperature gradient between the top and bottom of the column. This provides a reliable supersaturation, but changing ...

The Department of Energy is interested in increasing the performance and cost-effectiveness of thermoelectric generator modules intended for waste heat recovery systems. Although high-efficiency small-scale thermoelectric materials have been demonstrated in the laboratory, scaling to production-level devices has proven difficult. A team of researchers from Plasma Controls, LLC, Colorado State Univ ...

ITER will depend on high power CW gyrotrons to deliver power to the plasma at ECR frequencies. However, gyrotrons can suffer from undesirable low frequency oscillations (LFOs) which are known to interfere with the gun-region diagnostics and data collection, and are also expected to produce undesirable energy and velocity spread in the beam. The origins and processes leading to these oscillations a ...

The United States contributions to ITER include the design, development, and construction of the Central Solenoid magnet system. A key challenge in the fabrication of this device is providing electrically insulating the penetrations through which helium enters the magnet system. The proposed program seeks to demonstrate materials and processes to insulation these portions of the device. The propo ...

The BELLA project at LBNL seeks to develop ~10 GeV laser-plasma accelerator stages that will produce ultra-short, low-divergence electron bunches with energy spread of ~1%, slice energy spread of ~0.1%. A beam of sufficient brightness for collider applications can be used to drive a free electron laser and so this is a near-term experimental goal. Simulation support is required to reduce technica ...

To elucidate the mysterious origins of nuclear spin, the Nuclear Science Advisory Committee (NSAC) has identied the science of electron-ion colliders, and specically the proposed polarized electron and ion collider, as absolutely central to U.S. science. These machines, estimated to cost as much as 500M 1B, will require highly polarized particle beams. To reduce the risk associated with building t ...