Particle-In-Cell Simulations of the Katsumata Probe(WDS2010)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F10%3A00357948" target="_blank" >RIV/61389021:_____/10:00357948 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Particle-In-Cell Simulations of the Katsumata Probe(WDS2010)

Popis výsledku v původním jazyce

Předneseno na konf.:Annual Conference of Doctoral Students - WDS 2010 Prague,01.06.?04.06.2010,str.33-37,:Katsumata probe serves to measure the ion temperature in magnetized plasma According to the basic theory, when the collector is retracted in the tube, electrons with their small Larmor radii should not be able to reach it and the collector becomes sensitive to ions. However, experimental results show, that the electron shielding is in general inefficient, it only works in the case, when the potential of the collector is same as the potential of the inside surface of the tube.We have used full 3D Particle-In-Cell code with multigrid Poisson solver to simulate the plasma behavior in the vicinity of a model of the Katsumata probe. Potential structureat the entrance of the tunnel was identified. This structure produced ExB drifts which push electrons into the shielded space. Simulations revealed that electrons can penetrate inside the geometrical shadow in all studied

Název v anglickém jazyce

Particle-In-Cell Simulations of the Katsumata Probe(WDS2010)

Popis výsledku anglicky

Předneseno na konf.:Annual Conference of Doctoral Students - WDS 2010 Prague,01.06.?04.06.2010,str.33-37,:Katsumata probe serves to measure the ion temperature in magnetized plasma According to the basic theory, when the collector is retracted in the tube, electrons with their small Larmor radii should not be able to reach it and the collector becomes sensitive to ions. However, experimental results show, that the electron shielding is in general inefficient, it only works in the case, when the potential of the collector is same as the potential of the inside surface of the tube.We have used full 3D Particle-In-Cell code with multigrid Poisson solver to simulate the plasma behavior in the vicinity of a model of the Katsumata probe. Potential structureat the entrance of the tunnel was identified. This structure produced ExB drifts which push electrons into the shielded space. Simulations revealed that electrons can penetrate inside the geometrical shadow in all studied

Druh

O - Ostatní výsledky

CEP obor

BL - Fyzika plasmatu a výboje v plynech

OECD FORD obor

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Projekt

<a href="/cs/project/GD202%2F08%2FH057" target="_blank" >GD202/08/H057: Moderní trendy ve fyzice plazmatu</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2010

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů