A5078760527- Magnetic confinement fusion research
- Risk and Safety Analysis
- Superconducting Materials and Applications
- Fusion materials and technologies
- Particle accelerators and beam dynamics
- Nuclear and radioactivity studies
- Graphite, nuclear technology, radiation studies
- Nuclear reactor physics and engineering
- Software Reliability and Analysis Research
- Ionosphere and magnetosphere dynamics
- Plasma Diagnostics and Applications
- Nuclear Engineering Thermal-Hydraulics
- Spacecraft and Cryogenic Technologies
- Software Testing and Debugging Techniques
- Fault Detection and Control Systems
- Engineering and Test Systems
- Electromagnetic Scattering and Analysis
- Atmospheric and Environmental Gas Dynamics
- Energy Load and Power Forecasting
- Numerical methods in engineering
- Reservoir Engineering and Simulation Methods
- Nuclear Physics and Applications
- Borges, Kipling, and Jewish Identity
- Travel Writing and Literature
- Quality and Safety in Healthcare
Culham Centre for Fusion Energy
2012-2024
University of Missouri
2022-2023
Missouri College
2023
University College London
1988-2022
Savannah River National Laboratory
2015-2019
Culham Science Centre
2012-2017
Virginia Tech
2016
Duke University
2010
UCL Australia
1988-1989
Transnational Press London
1987
Abstract A series of experiments have been executed at JET to assess the efficacy newly installed shattered pellet injection (SPI) system in mitigating effects disruptions. Issues, important for ITER disruption mitigation system, such as thermal load mitigation, avoidance runaway electron (RE) formation, radiation asymmetries during quench electromagnetic control and RE energy dissipation addressed over a large parameter range. The efficiency has examined various SPI strategies. paper...
The new JET ITER-like wall (made of beryllium and tungsten) is more fragile than the former carbon fiber composite requires active protection to prevent excessive heat loads on plasma facing components (PFC). Analog CCD cameras operating in near infrared wavelength are used measure surface temperature PFCs. Region interest (ROI) analysis performed real time maximum measured each ROI sent vessel thermal map. system started October 2011 has already successfully led a safe landing when hot...
Abstract We present a simple, accurate method for computing singular or nearly integrals on smooth, closed surface, such as layer potentials harmonic functions evaluated at points near the surface. The integral is computed with regularized kernel and corrections are added regularization discretization, which found from analysis point. surface new quadrature rule using project onto grid in coordinate planes. does not require charts special treatment of singularity other than corrections....
The ITER fuel cycle is composed of a tokamak and several systems that will support the preparation fuel, handling exhaust gases, recycle unused back to tokamak. Deuterium tritium (DT) isotopes are supplied A key need for such separations arises from fact that, DT fed tokamak, only small fraction burns. unburned exits along with impurity gases. impurities rather complicated mixture including helium ash, non-DT gases injected into species originating chemical reactions, nuclear reactions....
The ITER-like wall (ILW) at JET provides a unique opportunity to study the combination of material (beryllium and tungsten) that will be used for plasma facing components (PFCs) in ITER. Both limiters (Be) divertor (CFC W coated bulk W) have been designed maximize their power handling capability. During last experimental campaign (October 2010–July 2011) this capability has assessed even challenged case Be wall. limiters' (19 MW m−2 s−1/2), predicted with simple model, proven robust by...
Shattered pellet injection (SPI) experiments on Joint European Torus (JET) are an important element in determining the physics basis for mitigating disruptions ITER. The initial design of JET SPI system included three barrels to produce pellets with diameters 4.5, 8.1, and 12.5 mm. variability speed by operating without a mechanical punch was limited led poor integrity, so removed. Fragment size distribution is function desire change resulting fragment not originally requirement. After first...
The tokamak exhaust processing (TEP) system performs chemical separations on ITER fuel cycle process streams. TEP recovers hydrogen isotopes (Q2) from impurities such as argon, nitrogen, tritiated water (Q2O), ammonia (NQ3), and hydrocarbons methane (CQ4). sends the for subsequent to isotope separation or storage delivery system. At same time, an impurity gas stream of extremely low tritium content (less than 8.88 TBq per day) is produced sent detritiation (DS). To accomplish separation,...
Understanding gas flows in capillaries has many applications modeling the transport of gases nano-structured, porous, or fractured media. A network can often approximate these media, and also information on gas-surface interactions obtained from capillary experiments be used for Experimental data different mixtures He-Ar, He-N2, He-air slip regime stainless steel at high temperatures were by using a two-bulb apparatus. An accurate expression thermal creep coefficients with Lennard-Jones...
In this paper, we discuss the opportunities and challenges of teaching a human-robot interaction course at an undergraduate liberal arts college. We provide sample syllabus adapted from previous version course.
Abstract In facilities containing tritium, all process equipment is contained in inerted gloveboxes operating at slightly negative pressure relative to the rooms. The have recirculation systems which include a stripper system. glovebox capture tritium from atmosphere minimize facility emissions with possibility of recovering tritium. Hydrogen isotopes released into are converted oxide form and removed by – intended function these systems. Protiated water (and oxygen) enters system various...