| Miniproposals | ||||||||||
| ||||||||||
|
| Operators | |
| Session leader(s): | Amanda Hubbard,Noah Smick |
| Physics operator(s): | Jim Irby |
| Engineering operator(s): | Andy Pfeiffer,Ed Fitzgerald |
| Engineering Operator Run Comment |
| MP 543: Exploration of LHCD effects on pedestal and core of H-mode plasm |
| Session Leader Plans |
| Entered: May 14 2008 03:49:49:297PM |
| Author: Amanda Hubbard |
| MP 543: Exploration of LHCD effects on pedestal and core of H-mode plasmas
Session leader: Amanda Hubbard Physics Operator: Jim Irby Aims: 1) Document the conditions under which LHCD causes changes in H-mode pedestal and core, with goal of understanding the mechanism. (document pedestal, fluctuations, rotation, etc) 2) Optimize the driven current in H-mode, and measure with MSE if possible. Run will need ICRF (E+J port, 2-3 MW total) and LHCD (start at 90 degrees). Cryopump will be used on some shots, should be available from about 10 am. 1) Load shot 1080306008 (5.4 T, 600 kA, with Ssep ramp). ICRF (E and J, 2 MW total) on 0.6-1.5 s, LH on 1.1-1.4 secs, phase 90 degrees. First shot without cryopump, expect to use it for subsequent shots. Bring up LH power to max available. Note J-port is at 70 MHz. If we find ITBs forming due to the off-axis heating, drop Bt slightly (5.2 T?). 2) On successive shots, reduce target density and/or raise ICRF power to find maximum confinement and lowest density consistent with STEADY H-modes. Hopefully pumpout effect will be reproduced this time (we think machine cleanliness is a key factor). Move LH as early in the H-mode as ne allows, and as late as flat top allows. Get MSE data (need steady period before and after LH). 3) LH phase scan: first 'at' accessible limit, then below, then higher (eg 70, 60, 110 degrees). Monitor when pumpout effect occurs or does not. Get MSE data at each phase. If LH effects are significant, try reducing phase after pumpout for max driven current. This may well use up our half day. If time remains, depending on results, try one or more of following: 4A) Reduce Ip to 450 kA. Repeat small phase scan, starting at 75 degrees or minimum accessible. (4 shots). 4B) Raise Ip to 800 kA. Repeat small phase scan, starting at 90 degrees or minimum accessible. (4 shots) |
| Entered: May 14 2008 05:06:35:933PM |
| Author: Noah Smick |
| This is the second run of MP 547, "High-field side SOL flow momentum coupling experiments"
The idea is to 'pinch off' flows into the high field side scrape off layer by running the LCFS of an USN diverted discharge close to and grazing the inner divertor nose. We then observe the toroidal rotation using the entire suite of rotation diagnostics and see if we can identify the HFS flows as the causal agent for a change in v_tor. The first day suffered from low statistics, MARFES and lack of standard conditions for comparison. We will need: Probes Beam (if possible) CXRS, (HFS, LFS and bulk deuterium) NINJA as necessary for CXRS HIREX and necessary argon Use the maximum density throughout which avoids MARFES. Hopefully NL04>0.8e20. Shot sequence: Shots1-2 LSN Reload shot 1080319007 Shots 3-4 DN Reload shot 1080319012 Shots 5-14 Execute â??nose gapâ?? scan, 2 shots per configuration by varying the horizontal position of the lower x-point. Shots 5,6: 5mm Reload shot 1080411009 Shots 7,8: 2.5mm Reload shot 1080411012 Shots 9,10: 0mm Reload shot 1080411008 Shots 11,12: -2mm Reload shot 1080411014 Shots 13,14: 10mm Reload shot 1080411013 Remaining time: Attempt the ceiling grazing LSN topology. Start with LSN topology above and move centriod and x-points vertically upwards. May also have to increase outer gap. Running closer to DN may be required to graze ceiling by increasing upper triangularity. |
| Physics Operators Plans |
| Entered: May 15 2008 07:28:53:877AM |
| Author: Jim Irby |
| -----------------
Engineering Setup ----------------- Run begins at 09:00 and ends at 17:00 Power systems as on: 1080306008 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, DNB, Z-bolo Torvac gatevalve toggle (yes/no): no Boronization(yes/no): no Overnight ECDC (yes/no): no ICRF(yes/no): yes LH(yes/no): yes DNB(yes/no): yes Cryopump (yes/no): yes |
| Session Leader Summaries |
| Entered: May 15 2008 05:06:34:610PM |
| Author: Noah Smick |
| We successfully obtained LSN and DN plasmas for comparison, and revisited the innernose gap from 1080411. This time we managed to control the density well in the 0.9-0.95e20 range and got good HIREX and probe data. inner wall CXRS data was taken as well. The ceiling grazing part of the MP was not completed as we did not have time to develop the necessary equilibria. All an all a prett good day with one fizzle, three early disruptions and 10 plasmas. |
| Entered: May 16 2008 10:59:29:383AM |
| Author: Amanda Hubbard |
|
P 543: Exploration of LHCD effects on pedestal and core of H-mode plasmas Session leader: Amanda Hubbard Physics Operator: Jim Irby Aims: 1) Document the conditions under which LHCD causes changes in H-mode pedestal and core, with goal of understanding the mechanism. (document pedestal, fluctuations, rotation, etc) 2) Optimize the driven current in H-mode, and measure with MSE if possible. Summary: The run got off to a difficult start, but we did in the end accomplish a fair bit of Aim #1 - reproducing the LHCD 'pumpout' effect on H-mode and extending to other conditions, specifically lower Ip (450 kA) and a range of N//. Did not, unfortunately get the MSE measurements since the beam developed a problem before we started getting the needed conditions. I doubt current drive would in any case have been measureable. Both E-port and J-port ICRF ran very well today, at requested power levels of about 1.5 MW each (thanks, Yijun). Started the run at 600 kA, trying to reproduce discharges on 1080306. The first shot was encouraging and some smaller ne and Te changes were seen on Shot 1, even with fairly low and brief LH power. But, it was apparent on subsequent discharges (eg 2,3) that machine conditions were poor, with radiation MUCH higher than on 1080306, and H-modes were short, with ne and Prad rising. For shots 4-6 we heating with E-port only in case the off-axis heating from J (at 70 Mhz this week) was a problem. This did not help, and lower input power gave even lower tolerance for radiation - got Type III ELMs when Prad ~ PRF. From shot 7 we added J-port back, and reduced Bt to 5.2 T to make sure we would not interact with the antenna, or make ITBs. H-modes were still radiative, and rasing target ne (shot 8) did not help. Reducing current (to 500 kA on shots 8-11, then 450 kA from shot 12 on) DID result in steadier H-modes. Shot 12 is a nice example with 90 degree LH phasing as on 1080306 (660 kW). Had a definite, if rather small, decrease in density, and increase in Te, when LHCD was on. We decided to use this as the reference condition and scan N//. Shot 13 was at 75 degrees, which Greg's widget indicates was accessible only to the edge. Still got the density decrease and Te increase, perhaps a little stronger (thohgh this requires further analysis). We attempted to run 60 degrees, which would have been clearly inaccesible, for shots 14-15. But, perhaps because waves could not absorb, LH would not stay on, even in an inadvertent L-mode. Shot 16 was at 110 degrees, and we still got a density decrease, even larger than at lower phase. This suggests the effect is not correlated with (and thus likely is not due to) current drive directly since the efficiency would have been much lower than at 75 degrees. In our final shot, 18, kept phi=110 degrees and raised LH power to 775 kW (from 670). This gave a very clear effect, down to ne rise and Te dip at a trip, and may be the 'trophy shot' of the day. In conclusion, we have learned that the LHCD effect from 1080306 is reproducible, provided steady, low ne (nel~ 10^20) H-modes can be maintained. We also established that it persists overa wide range of N//, from 1.9 (barely accessible) to 2.8 (poor CD efficiency). While the mechanism is not clear, this will be useful input as we look at LH modelling, and may suggest a direct effect of waves on the edge plasma. We also re-learned that too much radiation squelches this effect, or at least makes it impossible to see, and that we should insist on, rather than just request, boronization prior to any future runs (which won't be until 2009). Thanks to Jim Irby and LH crew from smooth running of machine and LH systems. |
| Physics Operator Summaries |
| Entered: May 15 2008 05:09:34:750PM |
| Author: Jim Irby |
| Startup was generally good today. We had only one fizzle, that as
usual, had no good explanation (pressure and fields looked fine). ICRF and LH ran well, and something new was learned about density pumpout during LH. We had a couple of disruptions that were initiated by injections. The prefill was run at 55 ms during cryopump operation and dropped back to 20 ms and then 19 ms during the second half of the run w/o the cryopump. The cryopump also performed well and was pumping properly for all shots on which it was requested. C-Right Vertical cooling was slow for the first 1/3 of the run, but cooled quickly for the remainder of the run. We reduced the LN2 pump pressure to 6 psi well into the run to keep the mass 28 line low. It had begun to slowly drift up. This change did not seem to affect the cooldown times. RCUR adjustment on shot 21 to 1500 improved startup. I had loaded a shot from early in the campaign with RCUR at 1000. fizzles 28 disruptions 17,29,32 problems: Slow cooling on C-Right vertical. Slight cooling induced leak (m28 <8e-9 Torr) |
| Session Leader Comments | |||
| May 15 2008 09:32:23:613AM | 1080515001 | Amanda Hubbard | Great start. ICRF on clean at 2 MW, 0.6 secs, and Ssep jog to USN,
gives H-mode with nel 0.98e20. And, when LH comes on at 0.8 secs, get ne decrease! And Te 8 rise. Lasts until Prad rises at 0.9 secs, for reasons I don't understand. LH is tripping, will cool the cryopump next shot to see if that helps coupling. |
| May 15 2008 09:35:59:490AM | 1080515002 | Amanda Hubbard | Much cleaner startup, and LHCD. But we find Prad rising quite rapidly, ending H-mode by 1.04 secs. Much higher than on 1080306, John says mostly moly.
Probably just due to not having boronized last night, but might also be related to having J-port ICRF resonance off axis and closer to the antenna. Next shot, raise LH power, and also J-port power to see which direction things go. |
| May 15 2008 09:51:21:190AM | 1080515003 | Amanda Hubbard | Higher
RF power, as requested (1 MW E, 1.5 J). But, Prad is also rising more quickly, and First H-mode ends 0.89 secs. Looks like an injection ~ 0.8 secs. With this much power, we do get a second, USN, H-mode which starts at very low ne. But, Prad rising fast in this case too. Also ne, later. Are we getting peaking, or is this just an effect of the radiation? Next shot, try E only to compare radiation source. |
| May 15 2008 10:21:46:180AM | 1080515004 | Amanda Hubbard | Try E only - get nice clean 1.5 MW. Prad is still rising, though, and when it reaches Prf we start getting Type III ELMs.
Slight increase in Te8, and dip in nel, when LH comes on, but it doesn't last long. The radiation is killing us. Next: LH on a bit later, and ICRF a bit higher. |
| May 15 2008 10:45:54:137AM | 1080515005 | Amanda Hubbard | E only, nice 1.7 MW. Prad and ne rise fairly slowly. Unfortunately, we got a big injection just before LH (which was delayed to 0.85 secs).
Repeat. |
| May 15 2008 10:48:22:653AM | 1080515006 | Amanda Hubbard | Another injection, just before LH again. Series of H-modes, with increasing Prad. The later ones are USN all the way, and fairly low ne.
Next: Go to 5.2 T, add J-port. |
| May 15 2008 12:00:34:030PM | 1080515007 | Amanda Hubbard | %.2 T. Added J-port. H-modes were even shorter. |
| May 15 2008 12:01:04:683PM | 1080515008 | Amanda Hubbard | Raised target nel. This did not make the H-modes notably steadier.
|
| May 15 2008 11:56:44:783AM | 1080515009 | Amanda Hubbard |
Reduced Ip for this shot, to 500 kA. Did give a steadier first H-mode, with 9el ~ 9e19. And, we did get ne decreasing (to 0.826) and Te rising, when LH came on. |
| May 15 2008 12:02:27:787PM | 1080515010 | Amanda Hubbard | FInally a steady H-mode. nel 8.5e19, Prad (scaled) 1.5 MW, flat until 1.2 secs.
Hard to be sure how much LH is contributing to this (it is on 0.85-1.25 secs). Note there is a significant, if transient, increase in Te and WMHD when LH comes one. Repeat, with shorter LH pulse. |
| May 15 2008 12:13:38:633PM | 1080515011 | Amanda Hubbard | Not as good - Prad higher, and there are multiple H-modes.
It does seem, though, that Te decreases at 1.1 secs when LH is turned off, and ne rises more steeply, likely contributing to the H-L transition. Reduce Ip further, to 450 kA. |
| May 15 2008 12:25:47:033PM | 1080515012 | Amanda Hubbard | 450 kA. Finally, a steady H-mode with a clear LH density reduction, and T increase. The change at 1.1 secs is particularly clear.
Start the phase scan - next shot 75 degrees. |
| May 15 2008 01:11:12:117PM | 1080515013 | Amanda Hubbard | 450 kA. 75 degrees LH.
Again, a steady H-mode with an LH density reduction, and T/neutron increase. Perhaps a bit greater (on second inspection) than at 90 degrees. Should be close to, or a bit below, nominal accessibility limit. Next shot: 60 degrees (inaccessible). |
| May 15 2008 12:58:12:777PM | 1080515014 | Amanda Hubbard | 450 kA. 7Attempt 60 degrees LH. But it did not couple. Luckily, we also did not see the density reduction. This will be our 'control shot...'
Try again for 60 degrees. |
| May 15 2008 01:09:35:550PM | 1080515015 | Amanda Hubbard | Try again for 60 degrees, but didn't get it. Also, lost the H-mode early due to injections, and didn't get another until 1.15 secs. So even had we had the LH, it would have missed the H-mode.
Punt on 60, try 110 degrees. And hope for a better H-mode. |
| May 15 2008 01:26:23:253PM | 1080515016 | Amanda Hubbard | 110 degrees, Still a very clear effect on density, and temperature, clearest at the LH turnoff (largely because there was an impurity increase shortly after LH turnon).
Next: try for more power, slightly longer pulse. |
| May 15 2008 01:48:15:627PM | 1080515017 | Amanda Hubbard |
Disrupts 0.5 secs (injection). Try again. |
| May 15 2008 01:51:18:693PM | 1080515018 | Amanda Hubbard |
Good steady H-mode with 110 degrees LH, 800 kW, 1 trip. Very clear density reduction (down to 7.8e19 m-2, nebar 1.5e20 m-3) and Te rise. Probably not much current drive at this phase, though we'll need to analyse. Hand over to Brian and Noah (with thanks for the extra few shots!) |
| May 15 2008 02:43:07:263PM | 1080515019 | Noah Smick | Looking for NL04 ~0.9e20 All three probes scanning at 0.8,1.0,1.2 NINJA puff at 1.1. No Beam this afternoon. HIREX Sr. operating
Result: Early disruption, WASP actually was accidentally plunging at .6,.85, 1.2. First scan coincided with disruption, but did not cause it or sustain damage Next: Repeat |
| May 15 2008 02:44:01:513PM | 1080515020 | Noah Smick | Density up just a bit for NL04 ~0.9e20 All three probes scanning at 0.8,1.0,1.2
Result: Good. Targetting off a bit Next: Repeat |
| May 15 2008 02:44:49:203PM | 1080515021 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Good. Probe scans well optimized. WASP could have been deeper but we'll take it Next: Double Null |
| May 15 2008 02:46:25:813PM | 1080515022 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density a bit high (more like 1e20). Probe scans pretty good. Again, WASP could have been deeper but we'll take it. Next: Nose gap of 6mm (Reload 1080411009) |
| May 15 2008 02:57:48:353PM | 1080515023 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density good: 9.5e20. WASP is money, A good, F could have been deeper. Nose Gap: 5mm. MARFE appears with ninja puff at 1.1. (interesting- HFS plasma disappears during MARFE) Next: Density down a bit (ask for 8e19). Nose gap of 2.5mm (reload shot 1080411012) |
| May 15 2008 03:34:26:397PM | 1080515024 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density good: .90e20. Targetting Good. Nose Gap: 2.5mm. MARFE present during 2nd and 3rd scans. (we were unlucky- they were intermittent) Next: Nose gap of 0 mm (reload shot 1080411008) |
| May 15 2008 03:21:08:183PM | 1080515025 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density good: .92e20. Targetting OK (WASP appears to be a bit shallow). Nose Gap: 0mm. Lots of recycling light on the inner divertor nose. Next: Nose gap of -2 mm (reload shot 1080411014) |
| May 15 2008 03:51:17:410PM | 1080515026 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density good: .92e20. Targetting OK. Nose Gap: Crushed (RXL=-.06). Next: Crush harder on nose. RXL to -.075. Also, Dwell scan the ASP. |
| May 15 2008 04:01:33:590PM | 1080515027 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density same: .915e20. (Forgot to tweak it). RXL Tweak changed targetting, WASP well short. HIREX reached DN condition. Nose Gap: Crushed. (rxl-.075). ASP power supply problem, dwell mode thing failed. Next: Back to shot 21 (LSN) as a start for ceiling excursion. Target probes, try dwell again with different power supply. |
| May 15 2008 04:07:57:283PM | 1080515028 | Noah Smick | Fizzle |
| May 15 2008 04:32:07:253PM | 1080515029 | Noah Smick | Early disruption. Dwell scan to blame?
Next: No Dwell |
| May 15 2008 04:34:47:583PM | 1080515030 | Noah Smick | All three probes scanning at 0.8,1.0,1.2
Result: Density good: .91e20. Good Targeting. Next: Upwardly mobile |
| May 15 2008 04:56:13:583PM | 1080515031 | Noah Smick | No probes scanning. We sucessfully moved the plasma vertically upwards by a few cm, but have come to terms with the reality that we will not reach the ceiling today. We have one more shot, so we will make one more attempt at running the ASP in dwell mode.
Next: Repeat shot 30 |
| May 15 2008 05:03:17:933PM | 1080515032 | Noah Smick | Early disruption. Maybe its really the dwelling probe. |
| Physics Operator Comments | |||
| May 15 2008 09:09:18:313AM | 1080515001 | Jim Irby | loaded from 1080306008 ---- 5.4 T, 600 kA --- nl04 6e19/m^2 --- DN
loaded import seg 1 from 1080514031 into seg 1 prefill 25 ms --- Br0 0.0005T --- RCUR 1500 loaded init@09:01 plasma into rampdown --- big injection at 0.103 s almost killed startup seg1 was asking for too much current by 100 ms. |
| May 15 2008 09:31:07:580AM | 1080515002 | Jim Irby | loaded from 1080306008 --- slower current ramp in seg 1
loaded we have asked for cryopump for this shot prefill is 55 ms plasma into rampdown --- looks much better |
| May 15 2008 09:44:39:357AM | 1080515003 | Jim Irby | no dpcs changes
a little more ICRF for this shot C-Right cooling slow today plasma into rampdown |
| May 15 2008 10:11:00:750AM | 1080515004 | Jim Irby | Amanda will try E-Port only --- check change in radiation
cryopump dumped before we could get c-right cold. Will cool down c-right as low as possible while the cryopump recovers. plasma into rampdown --- |
| May 15 2008 10:28:23:700AM | 1080515005 | Jim Irby | no dpcs changes --- LH timing change only
plasma into rampdown |
| May 15 2008 10:47:44:390AM | 1080515006 | Jim Irby | ZCUR max reached at 0.8 s --- changed from 0.85 s
loaded plasma into rampdown --- got the SSEP change we asked for |
| May 15 2008 11:03:13:197AM | 1080515007 | Jim Irby | Bt from 5.45 to 5.2 T --- 150 to 143 kA
loaded c-right still slow --- in INIT 00:17:00 plasma into rampdown |
| May 15 2008 11:19:07:833AM | 1080515008 | Jim Irby | nl_04 request to 7e19/m^2 from 6e19/m^2
loaded plasma into rampdown |
| May 15 2008 11:42:19:103AM | 1080515009 | Jim Irby | nl_04 back to 6e19/m^2
Ip from 600 to 500 kA loaded polarimeter shutter closed plasma into rampdown |
| May 15 2008 01:00:29:340PM | 1080515010 | Jim Irby | repeat
plasma into rampdown |
| May 15 2008 12:58:38:777PM | 1080515011 | Jim Irby | change in LH timing
plasma into rampdown |
| May 15 2008 12:57:41:260PM | 1080515012 | Jim Irby | Ip request from 500 to 450 kA
loaded plasma into rampdown cryopump not working as well as usual for this shot --- bp 3.7e-7 vs 1.7 e-7 Torr density pumpout clear on this shot |
| May 15 2008 12:56:53:090PM | 1080515013 | Jim Irby | dpcs repeat
plasma into rampdown --- still see pumpout at 75 degrees TF cooling much better for the last few shots |
| May 15 2008 12:56:06:557PM | 1080515014 | Jim Irby | no dpcs changes
Plasma into rampdown but no LH |
| May 15 2008 01:13:48:820PM | 1080515015 | Jim Irby | no dpcs changes
plasma into rampdown |
| May 15 2008 01:25:25:750PM | 1080515016 | Jim Irby | plasma into rampdown --- phase 110 degrees
|
| May 15 2008 01:29:18:143PM | 1080515017 | Jim Irby | no dpcs changes
plasma for 0.514 s --- injection |
| May 15 2008 01:42:57:467PM | 1080515018 | Jim Irby | plasma into rampdown
last of Amanda's shots |
| May 15 2008 02:01:25:840PM | 1080515019 | Jim Irby | Switching to Brian's run --- probes targeted
load from 1080319007 argon from 300 to 450 ms --- enabled loaded plasma for ~0.6 s --- injections and early thrash |
| May 15 2008 02:11:49:507PM | 1080515020 | Jim Irby | upper early gas a little ---- increased nl_04 rate of rise before 200 ms.
loaded plasma into rampdown --- large MARFE from 0.15 to 0.42 s very bad startup |
| May 15 2008 02:29:07:050PM | 1080515021 | Jim Irby | nl_04 request from 8e19 to 9e19/m^2
RCUR from 1000 to 1500 loaded plasma into rampdown --- no MARFE, much nicer startup |
| May 15 2008 02:55:05:773PM | 1080515023 | Jim Irby | import seg 3 from 1080411009 into seg 3.
seg 2 off seg 3 on nl_04 request to 8.5e19/m^2 plasma into rampdown --- but we grew a MARFE --- NINJA? |
| May 15 2008 03:08:21:720PM | 1080515024 | Jim Irby | import seg 3 from 1080411012 into seg 3
nl_04 request to 8e19/m^2 loaded plasma into rampdown |
| May 15 2008 03:20:58:510PM | 1080515025 | Jim Irby | import seg03 from 1080411008 into seg 3
loaded plasma into rampdown --- on the nose |
| May 15 2008 03:39:29:887PM | 1080515026 | Jim Irby | import seg03 from 1080411014 into seg03
nl_04 request to 8e19/m^2 loaded vessel temp down to 14C --- stopped cooling briefly plasma into rampdown |
| May 15 2008 03:56:48:197PM | 1080515027 | Jim Irby | RXL from -.060 to -.075 cm
plasma into rampdown |
| May 15 2008 04:10:55:020PM | 1080515028 | Jim Irby | loaded from 1080515021 --- back to seg02 operation
loaded fizzle --- fields okay, prefill okay |
| May 15 2008 04:22:49:170PM | 1080515029 | Jim Irby | prefill from 20 to 19 ms --- probably not the problem but..
plasma for 0.537 s --- injections begin by 0.365 s |
| May 15 2008 04:44:45:357PM | 1080515030 | Jim Irby | just repeat
plasma into rampdown |
| May 15 2008 04:52:02:473PM | 1080515031 | Jim Irby | Exploration of crazy spaces never gone before:
ZCUR moved up 2 cm ZXU moved up 3 cm ZXL moved up 2 cm loaded plasma into rampdown --- plasma moved up, but not enough for Brian and Noah. |
| May 15 2008 05:03:43:280PM | 1080515032 | Jim Irby | loaded from 1080515030
loaded plasma for 0.352 s --- Brian suspects probe... ********END********* |
| Engineering Operator Comments | ||||
| Shot | Time | Type | Status | Comment |
| 1 | 09:01:41:323AM | Plasma | Ok | |
| 2 | 09:20:34:430AM | Plasma | Ok | |
| 3 | 09:38:06:757AM | Plasma | Ok | |
| 4 | 10:00:16:243AM | Plasma | Ok | |
| 5 | 10:20:23:663AM | Plasma | Ok | |
| 6 | 10:37:41:070AM | Plasma | Ok | |
| 7 | 10:56:51:270AM | Plasma | Ok | |
| 8 | 11:12:14:907AM | Plasma | Ok | |
| 9 | 11:30:26:563AM | Plasma | Ok | |
| 10 | 11:47:46:530AM | Plasma | Ok | |
| 11 | 12:01:49:727PM | Plasma | Ok | |
| 12 | 12:18:01:793PM | Plasma | Ok | |
| 13 | 12:33:07:633PM | Plasma | Ok | |
| 14 | 12:45:43:813PM | Plasma | Ok | |
| 15 | 12:59:41:950PM | Plasma | Ok | |
| 16 | 01:12:15:023PM | Plasma | Ok | |
| 17 | 01:25:04:657PM | Plasma | Ok | |
| 18 | 01:39:41:027PM | Plasma | Ok | |
| 19 | 01:52:26:070PM | Plasma | Ok | |
| 20 | 02:05:02:547PM | Plasma | Ok | |
| 21 | 02:18:32:697PM | Plasma | Ok | |
| 22 | 02:31:04:690PM | Plasma | Ok | |
| 23 | 02:49:12:300PM | Plasma | Ok | |
| 24 | 03:01:33:967PM | Plasma | Ok | |
| 25 | 03:13:56:507PM | Plasma | Ok | |
| 26 | 03:33:58:333PM | Plasma | Ok | |
| 27 | 03:51:22:817PM | Plasma | Ok | |
| 28 | 04:04:40:297PM | Plasma | Ok | |
| 29 | 04:17:00:510PM | Plasma | Ok | |
| 30 | 04:30:00:970PM | Plasma | Ok | |
| 31 | 04:46:18:327PM | Plasma | Ok | |
| 32 | 04:59:27:353PM | Plasma | Ok | |
| System Availability | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| May 15 2008 09:01:33:713AM | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||