Počet záznamů: 1

Understanding narrow SOL power flux features in COMPASS limiter plasmas by use of Langmuir probes(posterPSI2014,Kanazawa)

SYSNO ASEP	0437452
Druh ASEP	O - Ostatní výsledky
Zařazení RIV	O - Ostatní
Název	Understanding narrow SOL power flux features in COMPASS limiter plasmas by use of Langmuir probes(posterPSI2014,Kanazawa)
Tvůrce(i)	Dejarnac, Renaud (UFP-V)_{RID, ORCID} Stangeby, P.C. (CA) Goldston, R.J. (US) Horáček, Jan (UFP-V)_{RID, ORCID} Hron, Martin (UFP-V)_{RID, ORCID} Kocan, M. (FR) Komm, Michael (UFP-V)_{RID, ORCID} Pánek, Radomír (UFP-V)_RID Pitts, R.A. (FR) Vondráček, Petr (UFP-V)_{RID, ORCID}
Rok vydání	2014
Jazyk dok.	eng - angličtina
Země vyd.	JP - Japonsko
Klíč. slova	Heat loads ; limiter ; narrow channel ; probes
Vědní obor RIV	BL - Fyzika plazmatu a výboje v plynech
CEP	GAP205/11/2341 GA ČR - Grantová agentura ČR
	GAP205/12/2327 GA ČR - Grantová agentura ČR
	LM2011021 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
Institucionální podpora	UFP-V - RVO:61389021
Anotace	Předneseno na:PSI2014,Kanazawa, 26-30.05.2014 The narrow scrape-off layer power component observed in COMPASS inner wall limiter circular discharges by means of IR thermography is investigated by Langmuir probes embedded in the limiter. The power flux profiles are in good agreement with IR observations and can be described by a double-exponential decay with a short decay length (< 5 mm) just outside the separatrix and a longer one (~ 50 mm) for the rest of the profile in the main scrape-off layer. Non-ambipolar currents measured at the limiter apex play a relatively modest role in the formation of the narrow component. The fraction of the deposited power due to non-ambipolarity varies between 2% and 45%. On the other hand, narrow power widths are roughly consistent with ones indicated by neo-classical considerations which suggests that the latter effects may be dominant
Pracoviště	Ústav fyziky plazmatu
Kontakt	Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975
Rok sběru	2015

Počet záznamů: 1