NSTX XP1020 – RWM Physics (Berkery) April 26, 2010 Preliminary Results from XP1020 RFA Measurements J.W. Berkery Department of Applied Physics, Columbia University, New York, NY, USA NSTX Monday Physics Meeting PPPL, Princeton, NJ April 26 th , 2010 NSTX Supported by College W&M Colorado Sch Mines Columbia U CompX General Atomics INL Johns Hopkins U LANL LLNL Lodestar MIT Nova Photonics New York U Old Dominion U ORNL PPPL PSI Princeton U Purdue U SNL Think Tank, Inc. UC Davis UC Irvine UCLA UCSD U Colorado U Illinois U Maryland U Rochester U Washington U Wisconsin Culham Sci Ctr U St. Andrews York U Chubu U Fukui U Hiroshima U Hyogo U Kyoto U Kyushu U Kyushu Tokai U NIFS Niigata U U Tokyo JAEA Hebrew U Ioffe Inst RRC Kurchatov Inst TRINITI KBSI KAIST POSTECH ASIPP ENEA, Frascati CEA, Cadarache IPP, Jülich IPP, Garching ASCR, Czech Rep U Quebec
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Preliminary Results from XP1020 RFA Measurements
J.W. BerkeryDepartment of Applied Physics, Columbia University, New York, NY, USA
NSTX Monday Physics MeetingPPPL, Princeton, NJ
April 26th, 2010
NSTX Supported by
College W&MColorado Sch MinesColumbia UCompXGeneral AtomicsINLJohns Hopkins ULANLLLNLLodestarMITNova PhotonicsNew York UOld Dominion UORNLPPPLPSIPrinceton UPurdue USNLThink Tank, Inc.UC DavisUC IrvineUCLAUCSDU ColoradoU IllinoisU MarylandU RochesterU WashingtonU Wisconsin
Culham Sci CtrU St. Andrews
York UChubu UFukui U
Hiroshima UHyogo UKyoto U
Kyushu UKyushu Tokai U
NIFSNiigata UU Tokyo
JAEAHebrew UIoffe Inst
RRC Kurchatov InstTRINITI
KBSIKAIST
POSTECHASIPP
ENEA, FrascatiCEA, Cadarache
IPP, JülichIPP, Garching
ASCR, Czech RepU Quebec
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
• Half day on 4/15: – 24 shots– 16 with AC fields– 7 had enough cycles
before disruption for analysis (and Thomson)
– 3 long periods– 4 short
• RFA analysis code by S.P. Gerhardt
XP1020 RFA Analysis
2
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
XP1020 RFA analysis
3
XP935
XP1020
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
XP1020 RFA analysis
4
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
XP1020 RFA analysis
5
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
βN = 3.5 comparison
6
less stable – higher ωφ
more stable – lower ωφ
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
Evolution of RFA vs. time within a single shot, 137819
7
(Note: βN and rotation are changing at the same time.)
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
Evolution of RFA vs. time within a single shot, 137816
8
(Note: βN and rotation are changing at the same time.)
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010 9
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
Evolution of RFA vs. time within a single shot, 137825
10
(Note: βN and rotation are changing at the same time.)
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
βN = 4.25 comparison
11
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
Evolution of RFA vs. time within a single shot, 133797
12
(Note: βN and rotation are changing at the same time.)
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010
Evolution of RFA vs. time within a single shot, 133798
13
(Note: βN and rotation are changing at the same time.)
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010 14
NSTX XP1020 – RWM Physics (Berkery) April 26, 2010 15
Related Documents
