Miniproposals

Miniproposal: 579 Date Filed: 9/3/2009 Title: Characterization and optimization of I-mode First Author: Dennis Whyte Session Leader: Dennis Whyte (shots 1-16)

Engineering Operator Run Comment

Characterization and Optimization of I-mode EO Parkin, PO Irby, SL Whyt

Session Leader Plans

Entered: Oct 8 2009 02:22:00:070PM

Author: Dennis Whyte

Characterization and Optimization of I-mode ---------------------------------- Day 2 The purpose of these experiments is to characterize the necessary parameters to obtain I-mode (a.k.a. enhanced L-mode) while documenting I-mode plasma characteristics and optimizing I-mode towards its application in Alcator C-Mod for high confinement at low density. The experiment will focus on expanding the available I-mode operating space by exploring the effects of shaping, density, q95, and Ip with a goal of obtaining basic scaling relationships for further use on C-Mod and possible exploration on other devices. USN, #1090915020 reference shot (shape) Cryopump ON Toroidal Field: 5.0 - 5.8 T (clockwise) Plasma Current: 0.8 - 1.4 MA Working Gas Species: D2 Density: Target NL04 densities from 0.3 to 1 (1e20) Boronization Requested: NO ICRF Power: > 5 MW, Each shot will have 4 steps in RF of 200 ms each. Diagnostics: ECE with varying B field Edge TS with alignment for pedestal/edge as reference shot Note: DNB is offline so no pedestal diagnosis available from CXRS Run Plan -------- Our first run day had some delays so we only got to #3c in our run plan. The analysis to date suggested that q95 was the most important parameter in H-mode avoidance which may affect our choices in the scans. Changes to shot strategy from Day 1 1. RF power will ramp up to the first step rather than turn on to full power immediately. 2. We should examine the early density control which seemed to swing the density around, presumably due to the presence of the cryopump. Here's the rest of our run ( I use the same numbering as in the MP) 3 c) Ip = 1.15 MA, q95 ~ 3.36, 250 ms Prf steps: 3.4, 3.6, 3.8, 4.0 d) Ip = 1.25 MA, q95 ~ 3.1, 250 ms Prf steps: 3.9, 4.1, 4.3, 4.5 e) Ip = 1.35 MA, q95 ~ 2.9, 250 ms Prf steps: 4.3, 4.6, 4.9, 5.2 4. Density scan at high Ip / low q95 (3e forms part of scan) N.B. ordering of density scan is reversed from MP Reference shape: #1080416015, Ip = 1.35 MA, Bt = 5.63 T 6 shots a) NL04 = 0.5e20, Prf steps: 4.3, 4.6, 4.9, 5.2 (or lowest density achievable) b) NL04 = 0.6e20, Prf steps: 4.3, 4.6, 4.9, 5.2 c) NL04 = 0.7e20, Prf steps: 4.3, 4.6, 4.9, 5.2 d) NL04 = 0.9e20, Prf steps: 4.3, 4.6, 4.9, 5.2 e) NL04 = 1.1e20, Prf steps: 4.3, 4.6, 4.9, 5.2 f) NL04 = 1.3e20, Prf steps: 4.3, 4.6, 4.9, 5.2 5. Density scan at low Ip / high q95 (3b forms part of scan) Reference shape: #1080416015, Ip = 1.0 MA, Bt = 5.63 T 6 shots a) NL04 = 0.3e20, Prf steps: 3.1, 3.2, 3.3, 3.4 (or lowest density achievable) b) NL04 = 0.4e20, Prf steps: 3.1, 3.2, 3.3, 3.4 c) NL04 = 0.5e20, Prf steps: 3.1, 3.2, 3.3, 3.4 d) NL04 = 0.6e20, Prf steps: 3.1, 3.2, 3.3, 3.4 e) NL04 = 0.7e20, Prf steps: 3.1, 3.2, 3.3, 3.4 f) NL04 = 1e20, Prf steps: 3.1, 3.2, 3.3, 3.4 When we get through this we move the "shaping study" 6. Increase κ to ~1.7, same triangularity ~ 0.6 as Day 1 (Circle 2 Fig. 3) 3 shots a) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.8e20, Prf steps: 3.1, 3.2, 3.3, 3.4 b) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.5e20 (or lowest possible) , Prf steps: 3.1, 3.2, 3.3, 3.4 c) Ip = 1.35 MA, Bt = 5.63 T, q95 ~ 2.9, NL04 = 0.8e20, Prf steps: 4.3, 4.6, 4.9, 5.2 7. Increase κ to ~1.8 (or max.), same triangularity ~ 0.6 as Day 1 (Circle 3 Fig. 3) 3 shots a) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.8e20, Prf steps: 3.1, 3.2, 3.3, 3.4 b) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.5e20 (or lowest possible) , Prf steps: 3.1, 3.2, 3.3, 3.4 c) Ip = 1.35 MA, Bt = 5.63 T, q95 ~ 2.9, NL04 = 0.8e20, Prf steps: 4.3, 4.6, 4.9, 5.2 8. Keep κ at ~1.8 (or max.), increase triangularity to 0.8 (Circle 4 Fig. 3) 3 shots a) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.8e20, Prf steps: 3.1, 3.2, 3.3, 3.4 b) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.5e20 (or lowest possible) , Prf steps: 3.1, 3.2, 3.3, 3.4 c) Ip = 1.35 MA, Bt = 5.63 T, q95 ~ 2.9, NL04 = 0.8e20, Prf steps: 4.3, 4.6, 4.9, 5.2 9. Reduce κ to ~1.7 (or max.), keep triangularity at 0.8 (Circle 5 Fig. 3) 3 shots a) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.8e20, Prf steps: 3.1, 3.2, 3.3, 3.4 b) Ip = 1 MA, Bt = 5.63 T, q95 ~ 3.9, NL04 = 0.5e20 (or lowest possible) , Prf steps: 3.1, 3.2, 3.3, 3.4 c) Ip = 1.35 MA, Bt = 5.63 T, q95 ~ 2.9, NL04 = 0.8e20, Prf steps: 4.3, 4.6, 4.9, 5.2 10. Steady demonstration shot Type #1: â??ITER q=3â?? 4 shots Bt=5.4 T, q95~3, shape: TBD Variables (influenced on parameter scan results of 2-4. - target density: NL04 ~ 0.5-0.7 to reduce pedestal collisionality to ITER target 0.08 - RF: constant through shot, ~ 4.5 - 5 MW 11. Steady demonstration shot Type #2: Low collisionality AT / LH target 4 shots Bt= TBD, q95~4, shape: TBD Variables (influenced on parameter scan results of 2-4. - target density: minimum possible NL04 ~ 0.5-0.7 - RF: constant through shot, ~ 3.5 - 4 MW

Entered: Oct 9 2009 03:30:29:533PM

Author: Dennis Whyte

1 MA 5.6 T case Trying to better regulate the early density form so that we won't get runaways and locked modes at higher current Density had too big a dip at 0.4 seconds when the plasma diverted and started pumping. Will tweak the gas forms again.

Entered: Oct 9 2009 04:00:35:280PM

Author: Dennis Whyte

1 MA 5.6 T case Got better density control on this. Very constant NL04~0.8 in flattop 3.4 MW RF without any H-mode. Sure looks like I-mode. Good confinement (lost edge TS)

Entered: Oct 9 2009 04:22:10:547PM

Author: Dennis Whyte

1.25 MA 5.6 T case Early H-mode at 3.5 MA Next shot: turn off LBO and Ninja to make sure these aren't affecting anything. and reduce early RF.

Entered: Oct 9 2009 05:03:30:687PM

Author: Dennis Whyte

1.35 MA 5.6 T case Step 3e H-mode at 3.6 MW. Note much lower than 1080416028 PLH ~ 4.4 MW but that was at slightly higher density Wth 170 kJ

Entered: Oct 9 2009 05:04:25:720PM

Author: Dennis Whyte

1.25 MA 5.6 T case Step 3d D ant dropped out so less power, but definitely I-mode

Physics Operators Plans

Entered: Oct 8 2009 03:09:27:023PM

Author: Jim Irby

We will continue MP579 Characterization and optimization of I-mode SL: Whyte PO: Irby ----------------- Engineering Setup ----------------- Run begins at 09:00 and ends at 17:00 Power systems as on: 1090915020 Acoil: +Dtop -Dbot -Jtop +Jbot (standard) Hybrid Enabled Gas setup: Fill B-Top with 6 psi D2 Hybrid enabled (PG4) fill B-side lower with 1 psi Ar Hybrid DISABLED (PG1) leave B-side upper as is Hybrid DISABLED (PG2) fill B-main (C-side) with 40 psi D2 Hybrid enabled (PG3) fill NINJA with 10 psi D2 DISABLED Enable gatevalves and shutters: ECE, VUV, Z-bolo Torvac gatevalve toggle (yes/no): no Boronization(yes/no): no Overnight ECDC (yes/no): if available ICRF(yes/no): yes LH(yes/no): no DNB(yes/no): no Cryopump (yes/no): yes Vessel temperature: 35/35/35 ------------------------------ ECDC Parameters (if available) ------------------------------ gas and pressure: D2 at 2e-4 Torr sweep: 44/45/103 cm scan: 20/120 s

Session Leader Summaries

Entered: Oct 9 2009 05:41:06:267PM

Author: Dennis Whyte

We did not advance the run plan very far today due to the alternator and EF3 issues, however we did accomplish getting through the current/q95 scan at nearly fixed density. I-modes were achieved up to 1.35 MA, q95~3 although the H-mode threshold was lower than 2008 shots at higher density. We were about to start the density scan but ran out of time. shot run plan # Ip 9 3 b 1 10 3 c 1.15 11 3 d 1.25 12 3 d 1.25 13 3 e 1.35

Physics Operator Summaries

Entered: Oct 13 2009 02:05:48:410PM

Author: Jim Irby

This run had several engineering issues that greatly reduced the number of useful discharges for the I-Mode mini-proposal. We were unable to bring the alternator up to speed by run time because of fault indications in the motor drive control electronics. After several hours of debugging, the alternator made full speed 13:00. However, on the first plasma attempt, the EF3 supply did not perform properly. So time was then required to debug the supply, and perform an EF3 PLC controlled test shot We finally had another plasma attempt around 14:44 which turned out to be a Physics Operator induced fizzle (incorrect setting of EF4 pre-charge current). The rest of the day (from a PO perspective) involved adjustments of prefill, pg3 puffing, and nl04 feedback to eliminate MARFEs, fill in the density drop around 400 ms, and reduce runaways. We also had a couple of cryopump burps resulting in fizzles. At least one disruption, probably as a result of a locked mode, resulted in a post-disruption fizzle. From shot 1 it was clear that the ratiomatic had failed. This problem did not help work on the startup. Score: fizzles 01,03,04,06,08,15,16 plasmas 05,07,09,10,11,12,13,14 tests 02 fizzle suspects: 01 ef3 03, 04 incorrect ef4 setting 06 cryopump 08 disruption recovery 15,16 cryopump and/or disruption recovery

Session Leader Comments

Physics Operator Comments
Oct 9 2009 02:07:56:370PM	1091009001	Jim Irby	We did have ECDC last night load from 1090915020 --- USN, 1 MA, 5.62 T, 0.8e20/m^2 in seg 2 recalculated magnetics predictors in all segments loaded open tree done pg4 was 60 ms TF current 156400 A in seg 2 TF current set to 156400 A in seg 1 nl04 programming adjusted to get more density early (fill in dip) loaded open tree done little burst of N2 as cryopump was cooled down ef4 from -1300 to -1260 A loaded done 08:48 ---- alternator delay --- still no transfer to speed 3 09:20 752 RPM and still falling ***** 09:35 overcurrent indication in the alternator drive system. Alternator is being brought down to at least speed 1, to check it out estimated delay: 1.5 to 2.5 hours ***** ***** 10:47 still debugging --- another hour of debug at least, followed by 2.5 hours for spin up ***** ***** 11:00 spin up should begin by 11:30, we will start operation at 15:00 assuming transfer to speed 3 goes well ***** ***** 11:40 450 RPM --- full speed in 1:50 ***** ***** 12:38 Alt looks good --- resume operation at 13:15 ***** 13:00 Alternator is ready results -------------------------------- BP 1.5e-8 Torr EF3 starts very late at 1.1 s?? Ignores fizzle?? Ratiomatic electronics fault ---- controller will have to be removed and checked out on Tuesday
Oct 9 2009 02:26:43:997PM	1091009002	Jim Irby	Engineers in cell checking out EF3 EF3 circuit breaker had a flag Several EF3 circuit boards reseated (AFOLs for example) Nothing else found Setting up for EF3 PLC test pulse: 3 kA changes -------------------------------- no DPCS changes results -------------------------------- looks good --- right current, right time
Oct 9 2009 02:36:22:450PM	1091009003	Jim Irby	changes -------------------------------- no DPCS changes try for plasma results -------------------------------- fizzle --- from MKS gauges, pressure looks high compared to yesterday shot 31
Oct 9 2009 02:44:52:013PM	1091009004	Jim Irby	changes -------------------------------- prefill from 60 to 50 ms loaded results -------------------------------- fizzle --- no current rise change I made to EF4 was probably incorrect will reset to yesterday's value (1300 A).
Oct 9 2009 02:59:20:527PM	1091009005	Jim Irby	changes -------------------------------- EF4 from -1260 to -1300 A loaded results -------------------------------- plasma for 1.48 s 3 MW rf MARFE from 100 to 350 ms --- too much gas
Oct 9 2009 03:08:38:980PM	1091009006	Jim Irby	changes -------------------------------- pg3 gas reduce by 20 ms nl04 risetime dropped a little loaded results -------------------------------- fizzle --- cryopump burp
Oct 9 2009 03:28:49:990PM	1091009007	Jim Irby	changes -------------------------------- try again w/o burp --- no dpcs changes results -------------------------------- BP 1.1e-7 Torr in CHECK plasma for 0.5404 s -- something fell in
Oct 9 2009 03:34:24:637PM	1091009008	Jim Irby	changes -------------------------------- nl04 programming increased to 1e20 before 0.35 s loaded results -------------------------------- fizzle
Oct 9 2009 03:48:07:640PM	1091009009	Jim Irby	changes -------------------------------- no changes results -------------------------------- plasma into rampdown nl04 dip much better still have injection at 0.414 s
Oct 9 2009 04:03:49:687PM	1091009010	Jim Irby	changes -------------------------------- Ip request to 1.15 MA from 1.00 MA nl04 peak request from 1 to 1.1e20 at 0.34 s loaded results -------------------------------- plasma into rampdown --- hards/MARFE
Oct 9 2009 04:16:46:093PM	1091009011	Jim Irby	changes -------------------------------- prefill increased by 5 ms Ip from 1.15 to 1.25 MA loaded results -------------------------------- plasma into rampdown
Oct 9 2009 04:29:14:720PM	1091009012	Jim Irby	changes -------------------------------- nl04 request dropped back to 1.0e20 early loaded results -------------------------------- plasma into rampdown --- no h-modes
Oct 9 2009 04:47:44:733PM	1091009013	Jim Irby	changes -------------------------------- Ip request from 1.25 to 1.35 MA loaded EF3 PLC limit from 12 to 14 kA results -------------------------------- plasma into rampdown
Oct 9 2009 05:13:38:390PM	1091009014	Jim Irby	changes -------------------------------- nl04 request from 0.8e20/m^2 to 0.6e20/m^2 early nl04 request from 1 to .8 e20/m^2 loaded results -------------------------------- plasma, but I dropped the early density too much --- locked mode at 0.4 took us out.
Oct 9 2009 05:19:14:453PM	1091009015	Jim Irby	changes -------------------------------- raised early nl04 request results -------------------------------- fizzle --- cryopump gurgle and burp
Oct 9 2009 05:25:28:233PM	1091009016	Jim Irby	changes -------------------------------- try again --- no changes results -------------------------------- fizzle --- a little bit more current, but... done

Engineering Operator Comments
Shot	Time	Type	Status	Comment
1	01:02:21:387PM	Plasma	Bad	EF3 fault, Fired at +1.2 sec
2	02:15:30:823PM	Test	Ok	EF3 PLC 3KV, 3KA
3	02:26:00:573PM	Plasma	Ok
4	02:38:55:340PM	Plasma	Ok
5	02:51:30:980PM	Plasma	Ok
6	03:04:20:713PM	Plasma	Ok
7	03:17:11:137PM	Plasma	Ok
8	03:30:10:767PM	Plasma	Ok
9	03:42:46:950PM	Plasma	Ok
10	03:56:11:047PM	Plasma	Ok
11	04:08:50:640PM	Plasma	Ok
12	04:24:32:530PM	Plasma	Ok
13	04:40:02:233PM	Plasma	Ok
14	04:54:45:170PM	Plasma	Ok
15	05:10:08:500PM	Plasma	Ok
16	05:22:50:797PM	Plasma	Ok

System Availability

Oct 9 2009 01:01:54:543PM

System Available Comment Availability Changed Owner Description Who Can Change Active MHD no secured - tagged out Jun 02 2008 11:03AM (sears) Joe Snipes Active MHD Antenna sears,snipes BES yes 7 horizontal views spread out R_maj=[0.72-0.9m], 3 cm over the tokamak midplane (beam) Jul 09 2009 05:12PM (bespam) Bill Rowan Beam Emission Spectroscopy bespam,liao,rowan Bolometers yes 2pi (diode+foil), AXA, AXJ, WB3AX, WB4AX, LEDGE-AX working fine. MID-FOILS working fine. The LEDGE/DIV foils still need calibrations applied Aug 27 2009 09:09AM (mlreinke) Matt Reinke Bolometers hutch,mlreinke Boronization no Bottle Removed from the Cell, Piezo box on Igloo Removed. System in safe mode for In-Vessel Access May 30 2008 02:25PM (dekow) Jim Irby Boronization dekow,irby CNPA no Single channel CNPA available as of 12/1707 Jun 10 2009 10:22AM (twf) Ron Parker Compact Neutral Analyzer parker Cryopump - Upper Divertor no Cyopump hardware is not yet reinstalled in the cell. Jul 14 2009 09:21PM (labombard) Brian LaBombard Upper Divertor Cryopump irby,labombard CXRS yes The wide-view toroidal array was installed, spatially and absolutely calibrated. There are 7 toroidal chords intersect the beam at the major_R_range=[74.2:83.6]cm. Spatial resolution: 1.2 cm. The F-top wide-view poloidal array was installed and spatially calibrated. There are 19 chords intersect the beam at the major_R_range=[0.65:0.9.]m. Spatial resolution: 1.22 cm. Jul 09 2009 05:16PM (bespam) Bill Rowan Charge Exchange Spectroscopy bespam,blip,liao,rachmcd,rowan D Alpha yes \ha2_bright is available; \SPECTROSCOPY::TOP.VUV.VIS_SIGNALS:MCP_VIS_SIG1 is not available Jul 01 2009 09:45AM (terry) Jim Terry Balmer Alpha Monitor irby,terry,wolfe Dalsa yes system is aligned and operating; not yet calibrated Jul 14 2009 02:22PM (marmar) Earl Marmar Visible Bremsstrahlung marmar Disruption Mitigation no safely disabled; ready to be dismantled May 28 2008 10:22AM (granetz) Robert Granetz Gas Jet granetz,whyte Divertor IR no   Mar 06 2007 10:50AM  Glen Wurden Divertor IR Digital Video gwurden,terry Divertor IR Spectroscopy no   Mar 06 2007 10:51AM  Glen Wurden Divertor IR Spectroscopy gwurden,terry DNB no power locked & tagged out; gate valve disabled May 28 2008 10:03AM (granetz) Robert Granetz Diagnostic Neutral Beam dterry,granetz,gung ECDC no 6/10/09 Magnetron relocated to west wall in cell at H-port. All controls and hardware have been installed but need to be tested prior to full operation. Magnetron Unplugged and Red tagged, PEI breaker red tagged, Safe for In-Vessel Activity Jun 10 2009 02:35PM (dekow) Jim Irby 2.45 GHz, 3 kW, discharge cleaning system dekow,irby,pfeiffer FRC-ECE yes All 32 channels working and calibrated. Oct 06 2009 11:17AM (phillips) Perry Phillips Heterodyne ECE-32 channels phillips G-Side Ratiomatic yes Gauge installed. Controller repaired. Aug 23 2009 10:36PM (toland) Brian LaBombard G-side ratiomatic ionization gauge labombard,toland Glow Discharge no 6/10/09: Paddles meggered at 1000 v to machine ground (>300 Mohm) prior to closing the vacuum chamber. Plugs for Power Supply and Controls Unplugged and Red Tagged, Safe for In-Vessel Access Jun 10 2009 01:47PM (dekow) Jim Irby 1 kV, 5 A, glow discharge system dekow,dterry,irby GPC yes Operational. Jul 28 2009 04:23PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt GPC2 yes Most channels operational. Jul 28 2009 04:23PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt GPI yes The Xpt-view, the midplane-view cameras are operational. The innerwall GPI (coupled to the fast-diodes) is available. Jul 01 2009 09:45AM (terry) Jim Terry Gas Puff Imaging terry,zweben H/D yes poses no safety hazard for people working around the machine Jun 18 2009 01:04PM (marmar) Earl Marmar H/D Ratio marmar HEAT no Disconnect switch is open, reg tagged and locked. Shunt Trip Breaker is opened. Safe for in-vessel work. Jun 04 2008 12:24PM (dekow) Gary Dekow - Machine Heaters - burke,dekow Hirex Jr yes Hirex-Jr has been installed and tested Jun 17 2009 11:54AM (rice) John Rice High Resolution X-Ray ince,rice Hirex Sr yes currently only one detector is operational, off-axis He-like argon emission Jul 14 2009 10:01AM (rice) John Rice High Resolution X-Ray ince,rice HXR no In safe mode (high voltage turned off) May 27 2008 09:19PM (schmidt) Ron Parker Hard X-Ray Array parker,schmidt ICRF D-Antenna yes operational at 80 MHz Jul 21 2009 04:49PM (wukitch) Steve Wukitch D-port antenna wukitch,ylin ICRF E-Antenna yes antenna and FFT operational Jul 21 2009 04:49PM (wukitch) Steve Wukitch E-port antenna wukitch,ylin ICRF J-Antenna yes available at 80 MHz and [0,pi,0,pi] phasing Sep 04 2009 10:01AM (wukitch) Steve Wukitch J-port antenna wukitch,ylin Lower Hybrid no Breaker locked and tagged out. Waveguide disassembly started. Open Waveguides have been shorted. May 28 2008 09:47AM (dterry) Ron Parker Lower Hybrid dterry,parker,wallaceg LPI no Beam line removed May 30 2008 02:09PM (bose) Earl Marmar Lithium Pellet Injector bose,marmar Ly-alpha yes Midplane, WB4-LY, LEDGE-LY all collecting data. WB1-LY not attached. Aug 27 2009 09:10AM (mlreinke) Matt Reinke Lyman alpha cameras labombard,mlreinke McPherson yes Operating normally Aug 27 2009 09:10AM (mlreinke) Jim Terry VUV Spectrometer mlreinke,terry Michelson yes Operational. Recalibrated 7/27/09. Jul 28 2009 04:22PM (hubbard) Amanda Hubbard ECE Te Profiles hubbard,schmidt MKS yes Gauges are on. B-bottom is not operating - bad sensor head? Jul 14 2009 09:12PM (labombard) Brian LaBombard Baratron pressure gauges labombard MLP no System is in edge lab. Version 2 drivers ready to test. Needs a student to help work on it. Jul 14 2009 09:20PM (labombard) Brian LaBombard Mirror Langmuir Probe Electronics System labombard MSE no As of 6/10/09, MSE is calibrated & ready to go. Awaiting DNB. Jun 10 2009 10:34AM (sscott) Steve Scott Motional Stark Effect jinseok,sscott Neutrons yes Neutron detectors are calibrated and ready to go. Voltages will be turned on prior to first plasma. Jun 10 2009 10:35AM (fiore) Catherine Fiore Neutron Detectors fiore Neuts and Hards yes Operational --- Uncalibrated and needs to be positioned at port Jun 25 2009 05:08PM (irby) Jim Irby X-Ray/Neutron Detector at K-Hor irby NINJA no Capillaries were tested in-vessel. Plenum has a leak and needs fixing. Jul 14 2009 09:14PM (labombard) Brian LaBombard NINJA gas puff labombard,terry PCI no Down. Will not be fixed until vent. Sep 24 2009 09:10AM (ntsujii) Miklos Porkolab Phase Contrast Imaging arai,edlund,ennever,ntsujii,porkolab Penning Gauges yes High voltage is enabled (on during INIT, off during RECOOL). Jun 30 2009 09:42PM (labombard) Brian LaBombard Penning Ionization Gauges labombard Plasma TV yes WIDE1, WIDE2 (chan 33), DANT, JANT and DIV are operational. Jul 01 2009 09:46AM (terry) Jim Terry Video of plasma via several cameras dekow,irby,terry,wolfe Polarimeter no Safe for Machine Entry Sep 14 2007 12:17PM (irby) Jim Irby C-Mod Polarimeter irby Power - Alternator Air Switch yes Checked and Operational as of 06/18/09 Jun 19 2009 08:04AM (irby) Gary Dekow feeds all the other supplies cochran,dekow,dterry,irby Power - PEI yes Operational ---- ECDC running as required Jun 19 2009 08:06AM (irby) Gary Dekow PEI System cochran,dekow,dterry,irby Power - TMX yes Checked out and ready for Magnet Tests as of 06/18/09 Jun 19 2009 08:07AM (irby) Gary Dekow Ef2s,. EFCs and A-Coils byford,cochran,dekow,dterry,irby Power Systems yes Checked out and ready for Magnet Tests as of 06/18/09 Jun 19 2009 08:07AM (irby) Jim Irby C-Mod Magnet Supplies byford,cochran,dekow,dterry,irby Probe Array - ISD yes Array is operational with new cPCI data system. Probe 14 has open circuit. Jul 14 2009 09:17PM (labombard) Brian Labombard Inner Lower Divertor Probe Array labombard Probe Array - LH no LH launcher not installed. Cables are unplugged at the A-port rack. Jul 14 2009 09:16PM (labombard) Brian LaBombard Lower Hybrid Probe Array labombard Probe Array - OSD yes Array is operational with new cPCI data system. Jul 14 2009 09:16PM (labombard) Brian LaBombard Outer Lower Divertor Probe Array labombard Probe Array - UDIV yes Array is operational with new cPCI data system. Probe 13 has a bad cable (open). Jul 14 2009 09:17PM (labombard) Brian LaBombard Upper Divertor Probe Array labombard Reflectometer yes Since 1090824xxx, all channels are operational. Aug 25 2009 09:31AM (dominguez) Earl Marmar Reflectometer dominguez,marmar Scanning Probe - ASP yes Probe is operational. Needs plasma conditioning. Jul 14 2009 09:18PM (labombard) Brian LaBombard A-Port Scanning Probe labombard Scanning Probe - FSP yes Probe is operational. Needs plasma conditioning. Jul 14 2009 09:18PM (labombard) Brian LaBombard F-Port Scanning Probe labombard Scanning Probe - WASP yes System connected to A-port WASP. Needs plasma testing. Jul 14 2009 09:19PM (labombard) Brian LaBombard Inner Wall Scanning Probe labombard,nsmick Sparker yes Sparker now at K-Hor. Set for 100 uA of current. Will up to 200 uA before first plasma Jun 18 2009 01:01PM (irby) Jim Irby Field Emission Preionization for C-Mod dekow,irby,parkin TCI yes System restarted and aligned. Several chords available including NL04. Density Feedback available. Ready for plasma. Jun 18 2009 09:15AM (murray) Jim Irby Two-Color Interferometer irby,murray TS - Core yes 2 lasers working. 15 spatial channels operational. Initial (NOT final) Te calibration applied. ***No ne calibration yet*** Aug 05 2009 08:44AM (jwhughes) Jerry Hughes Core Thomson scattering jwhughes,yma,zhang TS - Edge yes Operational, Te calibration is thought to be good. Density is ***uncalibrated*** Aug 11 2009 02:31PM (jwhughes) Jerry Hughes Millimeter resolution edge Thomson scattering jwhughes,yma,zhang Vispec no 350 and 670 nm, 4 spatial channels Nov 28 2007 09:58AM (agraf) Alex Graf Visible Spectrometer agraf XTOMO yes Operating normally Aug 27 2009 09:10AM (mlreinke) Bob Granetz X-Ray Tomography granetz,mlreinke