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Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 1 of 12 Barbora Gulejova Some key results from SOL H-mode characterisation.

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Presentation on theme: "Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 1 of 12 Barbora Gulejova Some key results from SOL H-mode characterisation."— Presentation transcript:

1 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 1 of 12 Barbora Gulejova Some key results from SOL H-mode characterisation Barbora Gulejová, Richard Pitts, Roland Behn, Jan Horáček OUTLINE * Experiments - motivation * Comparison of data from old and new shots * Analysis of data from target langmuir probes

2 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 2 of 12 Barbora Gulejova AIM: repetition of #26730 modeled by SOLPS - new data required from : LPs RCP IR laser beam old new RCP Egde TS LP + SOLPS

3 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 3 of 12 Barbora Gulejova Upstream profiles- ne and Te edge TS + RCP + SOLPS Old data #26730TS RCP New data #3183x TS old TS new RCP old RCP new Te

4 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 4 of 12 Barbora Gulejova Te - u pstream profile edge TS + RCP + SOLPS New + old exp.data + SOLPS

5 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 5 of 12 Barbora Gulejova ne - u pstream profile edge TS + RCP + SOLPS Old data #26730 ne TS old RCP old New data #3183x TS old TS new RCP old RCP new RCP data x corr.factor ~ 0.5 -account for increased A proj of RCP due to ρ L (i)

6 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 6 of 12 Barbora Gulejova ne - u pstream profile edge TS + RCP + SOLPS New + old exp.data + SOLPS

7 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 7 of 12 Barbora Gulejova ELM-Time evolution of jsat at outer target coavelm from LP=4 * * * * * t [s] # 31832, V= -100 V => Jsat mode r-rsep [m] outer target * * * Jsat [A.cm -2 ] Pre-ELM ELM Post-ELM

8 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 8 of 12 Barbora Gulejova Outer target div.leg sweeping #31839 (jsat) vs fix outer div.leg #31832 (jsat) #31839 – target sweep => each probe gives part of jsat profile ELM - phase between ELMs t [s] Jsat [A.cm -2 ]LP=3 Time R(probe)-R(strike point) Jsat target profile from envelopes of jsat in certain times (between or during elm)

9 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 9 of 12 Barbora Gulejova Sweep vs Fixed target leg Jsat outer target profiles Between ELMsELMs 3 Fixed target leg # S w e e p # Strike point

10 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 10 of 12 Barbora Gulejova J 0 profiles : V=0 mode #31836 Inner and outer target Thermoelectric currents flow Inner target Outer target negative J 0 positive J LP

11 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 11 of 12 Barbora Gulejova J 0 profiles : V=0 mode #31836 inner and outer target balance t [ms] from D Coh.averaged elm Jo [kA] normalised Jo outer Jo inner

12 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 12 of 12 Barbora Gulejova Thank you for attention

13 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 13 of 12 Barbora Gulejova Perpendicular heat flux IR SOLPS SOLPS

14 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 14 of 12 Barbora Gulejova

15 Reunion Scientifique 05/04/2006 Centre de Recherches en Physique des Plasmas 15 of 12 Barbora Gulejova Target profiles – J sat Langmuir probes # 31832, V= -100 V => jsat mode Coherently averaged elms Inner targetOuter target SOL PRF t [s]


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