Projects / Programmes
Development of diagnostics for certain paremeters of edge plasma in fusion devices
| Code |
Science |
Field |
Subfield |
| 2.03.02 |
Engineering sciences and technologies |
Energy engineering |
Fuels and energy conversion technology |
| Code |
Science |
Field |
| T160 |
Technological sciences |
Nuclear engineering and technology |
fusion, atomic hydrogen, hydrogen recombination, plasma, ions, negative ions, plasma diagnostics, catalytic probe, Langmuir probe, emissive probe, tokamak, divertor
Researchers (6)
| no. |
Code |
Name and surname |
Research area |
Role |
Period |
No. of publicationsNo. of publications |
| 1. |
20219 |
PhD Iztok Čadež |
Physics |
Researcher |
2007 - 2010 |
0 |
| 2. |
01116 |
PhD Milan Čerček |
Physics |
Head |
2007 - 2010 |
2 |
| 3. |
10401 |
PhD Tomaž Gyergyek |
Physics |
Researcher |
2007 - 2010 |
0 |
| 4. |
15703 |
PhD Janez Kovač |
Electronic components and technologies |
Researcher |
2007 - 2010 |
0 |
| 5. |
10429 |
PhD Miran Mozetič |
Electronic components and technologies |
Researcher |
2007 - 2010 |
0 |
| 6. |
20048 |
PhD Alenka Vesel |
Electronic components and technologies |
Researcher |
2007 - 2010 |
0 |
Organisations (2)
Abstract
In the project we propose the research and development of diagnostics of atomic hydrogen with a catalytic probe, which is especially suitable for measurements of recombination coefficients of hydrogen on the surfaces of materials relevant for construction of elements in contact with plasma in fusion devices. Recombination coefficients will be systematically measured for different materials, at various fluxes of hydrogen atoms, at different temperatures and morphologies of the surface.
Further, we intend to develop or upgrade some of the special probes for magnetized hydrogen plasma diagnostics. The potential formation in front of a negative wall in plasma with multiple negative and positive species will be studied, also taking into account the effects of magnetic field and particle collisions.
Significance for science
The results obtained in the studies of potential formation in front of electrodes in complex plasmas most certainly contribute to the development of diagnostic techniques in boundary plasmas in fusion machines. In the particular case mostly to the understanding of turbulent transport of particles and energy across the magnetic field to the wall of the reactor.
To the best of our knowledge, our results represent also a breakthrough in quantification of the interaction between plasma radicals and carbon from fusion reactors. The unique probe for measuring the density of neutral radicals in oxygen and hydrogen plasma allow for rather precise determination of the radicals flux on the surface of the components from fusion reactors. Since the sophisticated devices for surface and thin film characterization allow for rather precise determination of the material thickness, we can calculate the interaction probabilities. These probabilities have not been known yet (or the values estimated were not at all precise). Our results therefore represent important data for simulation of the behavior of plasma in remote parts of fusion reactors.
Significance for the country
Our results represent an important contribution to the affirmation of Slovenia in the European fusion society. Although our research groups does not own very expensive plasma reactors, our innovativeness help solving important technological problems arising in development of the international fusion reactor ITER. Nuclear fusion is a promising source of energy for next generation as it does not produce any carbon dioxide and thus does do contribute to the global heating problems.
Most important scientific results
Annual report
2008,
2009,
final report,
complete report on dLib.si
Most important socioeconomically and culturally relevant results
Annual report
2008,
2009,
final report,
complete report on dLib.si
