Simulation of Large Parallel Plasma Flows in the Tokamak SOL Driven by Cross-Field Transport Asymmetries

Journal Article · Tue Jun 06 04:00:00 EDT 2006 · Journal of Nuclear Materials

OSTI ID:936676

Pigarov, A Y; Krasheninnikov, S I; LaBombard, B; Rognlien, T D

Large-Mach-number parallel plasma flows in the single-null SOL of different tokamaks are simulated with multi-fluid transport code UEDGE. The key role of poloidal asymmetry of cross-field plasma transport as the driving mechanism for such flows is discussed. The impact of ballooning-like diffusive and convective transport and plasma flows on divertor detachment, material migration, impurity flows, and erosion/deposition profiles is studied. The results on well-balanced double null plasma modeling that are indicative of strong asymmetry of cross-field transport are presented.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 936676
• Report Number(s): UCRL-JRNL-221927
• Journal Information: Journal of Nuclear Materials, Journal Name: Journal of Nuclear Materials Vol. 363-365; ISSN 0022-3115; ISSN JNUMAM
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ASYMMETRY
DIVERTORS
PLASMA
SIMULATION
SOLS
TRANSPORT